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Prof. V.M.K. Sastry in conversation with Prof. Ajit Kolar and Mr. Kumaran Sathasivam

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Prof. Ajit Kumar Kolar: Greetings from IIT Madras Heritage Centre.

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Today at the Centre we are in conversation

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with Professor Vedantam Murali Krishna Sastry

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known as Professor V. M. K. Sastry

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who was here in IIT Madras

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as a faculty member from 1970 to 1998.

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I will give you a brief introduction, and then

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we will have a conversation about the

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history of IIT Madras as Professor

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Sastry looks at it during his tenure in this institute.

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Professor V. M. K. Sastry graduated from the first

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IIT which is at Kharagpur,

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then he did his Master's in Indian Institute of Science

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Bangalore, then his Ph.D. from

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University of Illinois at Chicago Circle Campus, Chicago

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in the area of Heat Transfer

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he worked with Professor James Hartnett:

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highly reputed Heat Transfer researchers of those times.

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He worked in IIT Kanpur for some time,

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he joined IIT Madras in 1970

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in the Department of Mechanical Engineering.

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Particularly, he was associated with the Heat

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Transfer and Thermal Power Laboratory.

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He went on to become the Head of the Department

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of Mechanical Engineering from 1986 to 1990.

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Later, he was the Dean of Academic Research

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and he was the member of Board of Governors

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when he retired in 1998.

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He also is the Founder Professor

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of ETC that is a Educational Technology Centre

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which is now a very big part of the IIT Madras outreach,

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especially through the NPTEL Programme.

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He was Chairman of the Vanavani Committee,

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and also he was Warden of Cauvery Hostel.

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So, Professor Sastry has tremendous...

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A long and vast experience in the IIT system,

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first as a student, undergraduate student in IIT Kharagpur,

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and then ending up as the member of

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the Board of Governors at IIT Madras.

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So he has seen the IITM...IIT system grow

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from its initial...almost the beginning of the 1950s

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up to '98, but then even now, although he is

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officially outside the IIT system for the last 20 years,

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he has been a very keen observer,

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external observer of the growth of the IIT system,

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IIT Madras. So, it is our pleasure to have Professor Sastry today,

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to get his perspective of the IIT Madras

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and IIT system in general. Welcome, Professor Sastry.

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Thank You. We are very happy that you are here...

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Prof. V. M. K. Sastry: Thank you, Professor Kolar. Prof. Kolar: today.

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I would like to start by

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asking you what were the circumstances under which you

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came to IIT Madras from United States,

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especially you joined the

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Heat Transfer and Thermal Power Lab,

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the academic and research environment,

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especially also with respect to Heat Transfer subject,

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kindly say few words about it.

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Prof. Sastry: First of all, after graduating from IISc Bangalore

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that is my Master's,

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I was quite...deeply influenced by Dr. Ramachandran,

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because though I was doing my

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Master's Degree in Foundry Engineering,

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he was actually handling the subject of Heat Transfer to us.

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So I did his project work under him

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and then I worked in an industry for a year,

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but then I wanted to shift it to teaching line.

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So I thought teaching line if I want to

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really contribute, I must have a Ph.D.

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So I was in search of a guide for Ph.D.,

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and in that process I went first of all to

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IIT Kharagpur as a lecturer.

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So I was not very successful in finding a Ph.D. guide.

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So I shifted to IIT Kanpur.

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So there, one Professor Richard Zimmerman from Ohio...

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Ohio State University, he actually accepted me to work under him.

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But because of some policy issues involving

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both Indian side as well as American side,

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you know unlike Germany,

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the assistance from United States was basically a private

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affair; not from the government,

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it is what is called an IIT...the...the...the University Consortium

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of about 9 universities joining together,

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and because of that, there was policy differences,

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and the American side objected

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that until the entire B.Tech. programme is in place,

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you cannot have even faculty members working part-time for Ph.D.

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Prof. Kolar: This was in the early 1960s. Prof. Sastry: This was in 1962.

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So after a year, the American Professor said,

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"Sastry, if you want to really get a Ph.D.,

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go abroad." That is how I ended up in the United States.

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So after my Ph.D., I joined the faculty of the University of Illinois also,

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and when I was there working, 1969,

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I got a letter from Professor Ramachandran

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who was already by that time, the Director of IIT Madras.

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So he said, "Why don't you come and join the

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Mechanical Engineering Department?" So I said "Yes, I can do,

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but I am now working on a NASA project,

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so one more year I need,

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so can I have a joining time of one year?"

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With his, you know, very broad minded outlook.

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He said, "Why not?"

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So that is how I...

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Basically, in those days you know, the people who went abroad,

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they were not willing to settle down there,

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they just wanted to increa...improve their qualifications and then get back.

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That means basically Bharat Mata calling back.

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So that is how the situation was, and I returned.

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So I...was supposed to come

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and join this '70 academic session, July,

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but then my professor and guide,

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Dr. Hartnett, he said that

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"Now you are going to India,

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and we don't really see..."

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He was actually the...the very prominent...

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International Journal of Heat and Mass Transfer, that is

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the international journal, he was the editor.

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So he said, "We are not really receiving many

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articles...research articles in the

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area of Heat Transfer from India.

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So, for you to really work in this area,

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it may be a good idea, if you meet several of the

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international experts in Heat Transfer."

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So they said...that's why in

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August of 1970, the...there was the Paris

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Fourth International Heat Transfer Conference.

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So he said, "I will introduce you to a lot of

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people there, why don't you come and..."

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Because our paper also was there.

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So, present it and then go.

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So I requested Dr. Ramachandran,

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"Is it ok if I join instead of the

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beginning of the academic year,

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in the middle of the year if I join, is it ok?"

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He jumped at the opportunity and he really,

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you know that shows actually the vision of Dr. Ramachandran.

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Prof. Kolar: And he himself was a Heat Transfer person, basically. Prof. Sastry: He was himself a Heat Transfer person.

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So he said, “That's a very good idea,

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you come and join, after attending those things.”

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So I came here, and because it was in the middle of the

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academic session, I had not much teaching work to do.

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So, in fact, it was a tremendous experience

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for me to interact with him because,

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on the first day when I met him in his office,

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he said, “Sastry, this lab used to be called a Steam Lab.”

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So after I came here, I changed the name

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to ‘Heat Transfer and Thermal Power.’

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This is very important from the history of the Heat

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Transfer research in the country and in IIT Madras,

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it was called a ‘Steam Power Lab,’

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Prof. Sastry: Steam Power Lab. Prof. Kolar: Under Professor Narjes

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But Professor Ramachandran, because

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he was a Heat Transfer person,

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he said, “We should have a Heat Transfer specialization.”

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So he changed the name,

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Professor Narjes was the head

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and then ’70, Professor Sastry came in.

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Prof. Sastry: So, I… Mr. Kumaran Sathasivam: But when had the lab been set up, sir?

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Mr. Sathasivam: How many years had it been running? Prof. Sastry: It was set up in the beginning itself.

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In fact, there was one

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Professor from University of Stuttgart, Professor [indistinct].

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He was also a member of the

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German Committee which established IIT.

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So, he actually was working in…the…in…in

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Stuttgart, it was basically a Steam Lab, you know.

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Mr. Sathasivam: It was a replica of… Prof. Sastry: Replica of that one

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Mr. Sathasivam: The Stuttgart lab. Yes.

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So, I…I came and then Dr. Ramachandran said,

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“Though I changed the name,

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whatever facilities you want, we will try to provide.

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Can you, at least after 4 or 5 years,

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make this Heat Transfer Lab

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a real good Heat Transfer Lab

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which is really doing reasonably good work in…in the area.”

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Sir, excuse me, was Heat Transfer

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being taught as a subject in any IIT or

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other institutions in the country at that time?

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To my knowledge there was…Heat

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Transfer was not being taught at all

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in any institution. Maybe,

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I may be wrong, maybe Professor Sukhatme in IIT Bombay,

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might have started, but I doubt it because as

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undergraduate curriculum, it was not part of that.

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So in fact, that is the one of the reasons why

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Dr. Ramachandran particularly said,

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“First of all let us develop a

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Master's degree programme in Heat Transfer.”

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So, now, that you don't have any teaching load,

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why don't you design a 2 year

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programme…M.Tech. programme,

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in the area…in the subject of Heat Transfer.”

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So, I worked on it for a couple of months.

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So I made a detailed programme,

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the curriculum was completely finalized,

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then Dr. Ramachandran looked at it,

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he approved, and he said that…until that time,

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the Master’s Degree programme in Mechanical Engineering,

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was…was only involving I think two or three areas:

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One is Advanced Thermal Power,

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Machine Design and probably Manufacturing.

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I am not very sure.

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So he said, “Let us have a regular programme.”

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And then when he was quite certain that

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there should be a 2 year programme

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Master’s degree programme in several areas,

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he asked the Department of Mechanical Engineering staff

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there are almost about 10 labs

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in the Mechanical Engineering.

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So he said, “Each lab, each special area,

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you should have a similar programme.”

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So that's why by 1971, Prof. Kolar: Yes.

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You know all the labs of Mechanical Engineering Department,

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each department for example,

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the M.Tech. programme in Combustion

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M.Tech. programme in Refrigeration and Air-Conditioning…like that

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all these 10 programmes actually were developed

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and that's how it started in 1971.

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But more importantly, what

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Dr. Ramachandran suggested is that Heat…

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Heat Transfer is an engineering science,

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it was neither engineering nor science.

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That…it used to be taught in Mechanic…Chemical Engineering also

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as a more of…as a practical thing rather than

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providing theoretical basis for it.

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So, Dr. Ramachandran suggested

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that we should also see that institutions like

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Guindy Engineering College and other

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engineering colleges in the country,

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they also adopt this particular thing.

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So he…I called actually, I arranged a

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summer programme for 4 weeks

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for teachers in the particular Thermal area.

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So, 50 institutions actually participated for this 4…

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So for that, what we did was, we actually

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had this 4-week summer programme for these teachers,

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along with that, we also tried to help them

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by developing a lab manual.

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For example, ‘How many experiments you can

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conduct in Heat Transfer Lab.’

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And that was quite a success because,

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for the next 4-5 years, because in most of these

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colleges you know, they have to go through a…

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long drawn out procedure

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to have any syllabus changes occurring,

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because there should be a university level and all that.

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So that is the reason why it took some time,

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but eventually, a large number of institutions in the country

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started teaching Heat Transfer as a

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subject in the undergraduate programme.

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I remember this very well sir because I

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joined in ‘71 with you

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and I was part of that first M.Tech. course specialization.

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So, the point here is that

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the…Heat Transfer for teaching undergraduate students

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and bringing that into the Master’s programme,

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actually was done by IIT Madras,

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with the encouragement of Professor Ramachandran, and

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Professor Sastry was there and Professor M. V. Krishnamurthy Prof. Sastry: Yes.

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Prof. Kolar: was in the Refrigeration Lab. Prof. Sastry: Refrigeration Lab.

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That's how Heat Transfer took routes

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probably Professor Sukhatme who was a

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Prof. Kolar: student of Professor [indistinct]. Prof. Sastry: [Indistinct] of.

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And then…he is a Heat Transfer man, he had…

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also was…sir, how about Professor A. K. Mohanty,

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did he participate in this…from IIT Kharagpur?

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Prof. Sastry: At that time he did not, but Prof. Kolar: Okay

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basically what Mohanty was doing was,

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he was in the…of course, Mechanical Engineering Department

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in IIT Kharagpur, but when we…to actually

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go ahead with this…1971 when we had this,

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Dr. Ramachandran…you know, he is a…

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in fact, I greatly respect him because he had Prof. Kolar: Yeah.

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tremendous vision of so many things. Prof. Kolar: Yes.

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One thing is this ‘Introduction of Heat Transfer’ as a

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basic core course in the undergraduate programme

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all across the country that is number 1.

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Number 2, he said, that…“How about research?”

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And I am really quite

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surprised that he called me and he said,

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“Now we will take admission for Ph.D. students,

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so, take some.” Then

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Dr. Kolar was one of the first ones.

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So there are 3 students.

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In 1972, again there was a batch of students and I took

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3 students already…under me

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and I was thinking that. you know, it is

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too much for me because,

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he said…he comes and says, “Take two more.

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Take two more.” He said, “That is because…”

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You know, my problem was, I worked actually

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for my Ph.D. programme in a Space Research, Space Heat Transfer.

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In India we were very much on…on the ground. Mr. Sathasivam: Yeah.

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Prof. Sastry: Nowhere near space. Mr. Sathasivam: That’s right.

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So therefore, what happened was that,

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I myself was not really experienced in

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several areas of applications of the Theory of Heat Transfer.

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So he said, “Take two more.”

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His idea was, if I take five students

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in five different aspects of Heat Transfer,

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some initiation of research can take place.

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That…later on I found out the wisdom in that

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because I think we have tried to develop

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a Heat Transfer Lab very nicely because of his guidance.

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Mr. Sathasivam: Sir, did Professor Ramachandran also initiate

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these outreach programmes that you mentioned,

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the Teacher Training Programmes that you conducted in summer,

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in other branches in other labs and so on?

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Actually this summer programme that I conducted

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was not initiated by him

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it was the so called Ministry of…you know

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HRD the…the other… Prof. Kolar: Ministry of Education.

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Prof. Sastry: So called Quality Improvement Programme. Prof. Kolar: Quality.

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Quality Improvement Programme. They wanted to

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actually have this for the…because this is for the teachers,

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for the quality improvement.

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So that is how it actually started.

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But then, his vision was,

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how to make this particular subject

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very important and prominent one in the country,

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because it actually…Heat Transfer is the subject

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that cuts across several disciplines.

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Aerospace it is there, in Chemical Engineering it is there, in…

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of course, Mechanical Engineering obviously.

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so because of that he wanted…

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but…that it should develop actually quite well

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all across, and so, he wanted to…say,

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“Why don't we have a…

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because you have now international contacts,”

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Prof. Kolar: Yeah. Prof. Sastry: “Why don't you invite these

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people from abroad, and then

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we will have an international conference?”

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But then finally, we decided, first of all let us

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find out what is the extent of research that is

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being done in the country,

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before we take this international step.

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So we wanted to have the First

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National Heat Transfer Conference Prof. Kolar: Yes.

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in 1972. And he wanted us to organize this one and

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Dr. Krishnamurthy and myself, we were the organizing secretaries. Prof. Kolar: Yes sir.

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Prof. Sastry: And we start a Mr. Sathasivam: Dr. M. V. Krishnamurthy.

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Prof. Kolar: M. V. Krishnamurthy Mr. Sathasivam: Right.

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Prof. Kolar: So it was in…during the Bangladesh War.

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Prof. Kolar: 1971 December 1st to 3rd in CLT. Mr. Sathasivam: Ah, yes.

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And big names, Professor Hartnett

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Prof. Kolar: Professor [indistinct]. Prof. Sastry: Spalding

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Professor Spalding from U.K.,

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Professor Kadambi from IIT Kanpur,

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Prof. Kolar: [Indistinct] from Uni…Russia. Prof. Sastry: Russia.

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For us…we had just then joined for research, it was a

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big thing that…we had not heard of Heat Transfer as a topic.

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I am dwelling a little bit on this because

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we started Heat Transfer research,

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not only teaching, but research. This conference brought together

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all the research community.

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Sir and I am very happy to tell you, it is running

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very successfully, the next one is being held

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in the December of…every 2 years it changes.

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So, Professor Ramachandran's vision. Prof. Sastry: Vision.

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And the hard work that you and others…Professor

00:18:56

M. V. Krishnamurthy and others put in, has…really [Inaudible]

00:19:00

In fact, 1972 when we had…’71 we had this conference,

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and ’73, we had the second conference in IIT Kanpur. Prof. Kolar: Kanpur.

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Kanpur. And then, Dr. Ramachandran said,

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“Now look…it looks like

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we have a reasonably good work that is being done

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both in the research laboratories,

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education institutions and as well as industry to some extent.

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So, why don't we have a society?” Prof. Kolar: Yes.

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So, he said that, “We will have a…

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we will…we will form an Indian Heat Transfer Society.”

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So he gave me the task of

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memorandum of association… Prof. Kolar: Following the constitution for the…

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Constitution, and all that.

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So we worked on it, and then 1974 we

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established the Indian Society for Heat and Mass Transfer. Prof. Kolar: Yes.

00:19:58

Prof. Sastry: Heat and Mass Transfer. Prof. Kolar: With our Heat Transfer Lab as the headquarters.

00:20:01

Prof. Sastry: As the headquarters. Prof. Kolar: Even…even today it is so, sir.

00:20:04

Yeah, actually, 1974 onwards, until 1991, I had the

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responsibility of being the secretary.

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So for 17 years…

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because there is nobody else that is willing to take.

00:20:17

Prof. Kolar: Yeah. Mr. Sathasivam: You would have been the Founder Secretary.

00:20:18

Prof. Sastry: Founder Secretary that's right. Prof. Kolar: Yeah yeah.

00:20:20

So, how about that Regional Centre?

00:20:21

This also connected with Heat Transfer and Energy, actually. Prof. Sastry: Yes.

00:20:24

See by that time, Dr. Ramachandran left actually in

00:20:26

1973, to take over as

00:20:29

Secretary, Department of Science and Technology.

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In fact, that's what

00:20:33

I…another thing that I…aspect of Dr. Ramachandran:

00:20:36

he is a an institution builder.

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He went and established the DST:

00:20:43

Department of Science and Technology. Prof. Kolar: Yes.

00:20:45

And afterwards of course, he…from

00:20:47

there he shifted to United Nations, and he

00:20:49

established the United Nations Centre for Human Settlements.

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Prof. Kolar: In…in Nairobi. Mr. Sathasivam: Yes, yes.

00:20:54

Prof. Sastry: In Nairobi. Mr. Sathasivam: Yes.

00:20:54

So, in that sense he is actually a creator of institutions,

00:20:57

because of his visionary outlook.

00:21:01

So, after he went to DST,

00:21:06

there was actually an International Centre for

00:21:09

Heat and Mass Transfer in Yugoslavia

00:21:11

that was established with the assistance of UNESCO.

00:21:15

So, several of my international colleagues in the area,

00:21:21

they were associated with that Centre,

00:21:23

they said, “Now that…” because these people

00:21:27

have attended the conferences in 1971, ‘73 and

00:21:31

‘75 in IIT Bombay, they saw

00:21:35

the kind of work that is being done.

00:21:37

So what they said is, “Why don't we have…

00:21:40

not only India, but in the entire Asian Region, we will do it.”

00:21:46

So the…UNESCO actually sent a delegation

00:21:51

to tour various countries, of which actually Dr. Ramachandran was

00:21:54

a part of…that delegation.

00:21:57

And then the Yugoslavian Centre's Secretary

00:22:00

General was another member,

00:22:03

and of course, my former advisor

00:22:05

in Chicago, he was also another member.

00:22:08

They toured these countries and then they said,

00:22:11

“Yeah, it is time for us to have actually a

00:22:15

Centre for Asian countries, Asia and Pacific countries.

00:22:19

Prof. Kolar: Yeah Pacific. Prof. Sastry: Again, Dr. Ramachandran had the responsibility,

00:22:24

and by that time he was already in the DST, very busy and all that.

00:22:29

So he asked me to create that Centre.

00:22:34

So, I again drafted the constitution, and also

00:22:38

had several representatives from

00:22:40

Bangladesh and Indonesia and other places.

00:22:44

So we formed the Executive Committee and the

00:22:47

Board of Directors from Japan, for example.

00:22:50

So we created that Centre,

00:22:53

and then Dr. Ramachandran said, “Why don't we

00:22:54

start actually publishing a journal, Prof. Kolar: Journal.

00:22:57

taking into consideration the articles from these things.”

00:23:00

So, I also became the first editor of the

00:23:04

journal, he is the editor, and of course, the Prof. Kolar: Yeah.

00:23:07

Scientific Secretary of that (clears throat) that Centre.

00:23:12

He said, “Once we start this one, we have to do it

00:23:15

immediately.” He is…he is quite

00:23:17

impatient about getting things done.

00:23:20

So, first journal, should come out by December of 1978.

00:23:26

So we started this Regional Centre

00:23:29

in 1977, [indistinct] approved.

00:23:32

So the first journal should come actually in ’79…‘78 December.

00:23:37

We got it, but in those days as you know very well,

00:23:40

the printing and all that is…the words should be arranged in the

00:23:44

Mr. Sathasivam: Manual typesetting. Prof. Kolar: Yeah yeah yeah.

00:23:46

Mr. Sathasivam: That’s right. Prof. Kolar: Oh

00:23:48

Prof. Kolar: The First Heat Transfer Conference, we were all research scholars,

00:23:50

every day used to go to the printing press for proofreading,

00:23:53

we looked at the equations and said, “What

00:23:56

are all these equations? We don't understand whatever.”

00:23:58

All the research scholars, we had a fantastic

00:24:00

experience of those times. Prof. Sastry: And the printing

00:24:03

press was actually in the old Shopping Centre. Prof. Kolar: Shopping Centre.

00:24:06

Mr. Sathasivam: Yes. Prof. Sastry: In our

00:24:06

Mr. Sathasivam: Yeah. Prof. Sastry: Campus

00:24:07

Prof. Kolar: So this is very nice to hear

00:24:09

from you directly the… Prof. C. S. Swamy: I have one…

00:24:11

Prof. Kolar: Yeah please go ahead, go ahead, yeah.

00:24:14

Prof. Swamy: Now you said that Professor Ramachandran

00:24:17

Prof. Swamy: was interested in starting Heat Transfer,

00:24:20

Prof. Swamy: [Inaudible] to do with his being

00:24:24

Chairman of the Research Council of Defence Laboratory

00:24:28

You know he was Chairman of the Research Council DMR.

00:24:31

In fact, again I want to ask you, ‘72 I think

00:24:36

the Director of [indistinct] Narayanan

00:24:40

came with the delegation, and they wanted the IIT to

00:24:44

sub…submit projects. Prof. Sastry: Yes.

00:24:47

In fact, most of the projects submitted [Inaudible]

00:24:50

Maybe, I had also submitted a project.

00:24:53

Now why I am telling this, there was something about

00:24:56

he was thinking of rocket cones,

00:24:59

and then it was getting…could not be used again, because oblation.

00:25:06

So he said that we can [Inaudible]

00:25:09

So I had proposed something.

00:25:12

So about a coating of ceramic,

00:25:14

and a ceramic metal and a metal.

00:25:17

I said, “The most important thing is, you have to make the [Inaudible]

00:25:22

and we shall have a plasma torch to do this.”

00:25:25

In fact, my project was submitted,

00:25:28

but was not funded, but I

00:25:30

came to know much later that the plasma

00:25:33

torch was purchased by the Council. Prof. Sastry: Okay.

00:25:36

Prof. Swamy: But what I am telling you is, did Ramachandran get

00:25:39

interested in Heat Transfer because of its application in…

00:25:42

Prof. Sastry: First of all, Dr. Ramachandran himself

00:25:44

was actually…he had his Ph.D. from Purdue University. Prof. Swamy: I know.

00:25:47

Prof. Sastry: So in the…in the subject of Heat Transfer. Prof. Kolar: Heat Transfer.

00:25:49

Prof. Sastry: That is number 1. And of course, he was,

00:25:51

you know, Head of the Department in IISc Bangalore,

00:25:54

but more importantly, he wanted,

00:25:57

in fact, now that you mentioned about the

00:26:00

Sponsored Research and Industrial

00:26:03

Collaboration. In 1972-73…

00:26:09

Again Dr. Ramachandran said, “Somehow you know, when we do

00:26:11

something, we should also interact with the industry.” Prof. Kolar: Industry.

00:26:14

Prof. Sastry: “Industry-Institute interaction must be there.”

00:26:18

There used to be what is called RDOEI. Prof. Kolar: Yes.

00:26:21

Research and Development Organisation for Electrical Industry

00:26:24

In the Ministry of Heavy Industry in Centre, at the Centre.

00:26:30

So, he…the…a request came from there,

00:26:34

saying that, “You know, our…our motors and all these

00:26:38

things are becoming actually very large in size,

00:26:41

electrically we can do all these things, but because of the

00:26:45

cooling problem we are not able to

00:26:46

reduce this size for the same capacity.

00:26:49

So, can you please do something.” Because

00:26:53

because they know that Dr. Ramachandran was…say

00:26:57

expert in heat transfer, and he was Director here.

00:27:00

So they contacted him. Then he asked me and

00:27:06

Dr. Krishnamurthy, V. Krishnamurthy to look into this.

00:27:11

So Dr. Krishnamurthy by that time he changed his interests into. Prof. Kolar: Refrigeration.

00:27:15

Prof. Sastry: Refrigeration and air conditioning. So, we went to Bhopal, and as usual

00:27:22

you know the…the they were all buying the

00:27:25

drawings and equipment and everything

00:27:27

from associate electrical industries

00:27:29

which was supplying the equipment to them, and

00:27:32

they were not really interested in collaborating,

00:27:34

but luckily because of Dr. Ramachandran's

00:27:38

personal connection, Dr. V. Krishnamurthy, at that time. Prof. Kolar: Oh yes.

00:27:45

Prof. Sastry: Yeah. Prof. Kolar: BHEL

00:27:47

Prof. Kolar: top man. Prof. Sastry: BHEL…this thing, top man.

00:27:49

He said, “Let them go…come and look at it.”

00:27:53

But even though the faculty, the staff there were not very

00:27:57

cooperative, there was one Mr. Walker,

00:28:01

a 75-year-old man coming from AEI,

00:28:05

he himself said it’s a good idea if the…

00:28:08

because we don't understand what is happening there,

00:28:10

so theory must be also

00:28:12

matching with the…our experimental work.

00:28:16

So, let them do this. And because of Dr. Krishnamurthy’s

00:28:21

help, they supplied to us

00:28:24

all the drawings and other things like that, then we started.

00:28:28

In fact, that RDOEI industry project in 1972,

00:28:32

that they gave us about one and half lakhs or so.

00:28:34

Prof. Kolar: That is large amount at that time.

00:28:36

Prof. Sastry: That was the probably the first major

00:28:39

sponsored research project that came to us.

00:28:43

To IIT. Prof. Swamy: I see.

00:28:44

Earlier, there might be…you know some…

00:28:48

as far as my knowledge goes, that is the first major…this thing.

00:28:51

That is because of the fact that

00:28:54

there were administrative difficulties later on,

00:28:59

regarding…you know, how to distribute the

00:29:01

money and all that kind of thing, and that is the reason why

00:29:03

they said, we have to make some

00:29:05

policy and there are certain rules.

00:29:07

That is the reason why I am assuming, that that is the first

00:29:12

sponsored research project that came from outside.

00:29:15

So, for 3 years that I was associated with

00:29:19

Dr. Ramachandran 1970 to ‘73,

00:29:23

he started with several different friends,

00:29:27

for example, he also started some interdisciplinary Prof. Kolar: Yes.

00:29:35

programmes, but because he was…

00:29:37

he is way ahead of his times,

00:29:39

they didn't really take off.

00:29:41

Prof. Kolar: It took 45 years for them to materialize.

00:29:44

Yeah, interdisciplinary the reason why he was saying

00:29:47

was, because of his intense interest…should be promoted.

00:29:51

Departments should not be…you know,

00:29:55

the walls should not be built around the departments.

00:29:58

There should be constant interaction and exchange of ideas

00:30:01

and collaborative work among the

00:30:04

departments. That's what his intention was.

00:30:07

But it started and he was actually…along with

00:30:10

me, you know Dr. Natarajan and T. K. Bose and Prof. Kolar: Yes.

00:30:14

Some others of…the people, he

00:30:17

actually invited them from abroad.

00:30:19

Prof. Kolar: Sir, Professor Natarajan also joined just a year or two after you?

00:30:22

Prof. Sastry: No, in fact, around the same time. Prof. Kolar: Same.

00:30:24

Prof. Kolar: And Professor Bose also. Prof. Sastry: Few months.

00:30:26

Mr. Sathasivam: Actually, who were your colleagues?

00:30:27

Mr. Sathasivam: So, you mentioned Professor Krishnamurthy

00:30:29

Mr. Sathasivam: and Professor Ramachandran himself. Prof. Sastry: Heat Transfer,

00:30:31

Mr. Sathasivam: Yes. Prof. Sastry: Professor…Heat Transfer actually

00:30:33

these are the people, and of course, in

00:30:35

Chemical Engineering, then Professor Gopichand,

00:30:38

Prof. Kolar: Professor T. Gopichand. Prof. Sastry: Gopichand was working,

00:30:40

Yeah, Professor Gopichand was working.

00:30:42

Prof. Kolar: Professor K. Subbaraj. Prof. Sastry: K. Subbaraju.

00:30:44

Prof. Kolar: Of Prof. Sastry: Subbaraju, Subbaraju was working

00:30:46

Prof. Kolar: Dr. Sathyanarayana’s father. Prof. Swamy: Yeah, yeah.

00:30:50

He was the Heat Transfer professor.

00:30:52

So…so there was basically a good group of

00:30:56

people working here, in various departments. Prof. Kolar: Yes.

00:31:00

But the question is that the interaction

00:31:04

he wanted to develop, and that is the reason why he was

00:31:07

trying his best and he did a very good job as far as I am concerned.

00:31:11

Prof. Kolar: Sir, now that we are in this topic of research,

00:31:13

Heat Transfer of course, now we have information.

00:31:18

When we were research scholars, we saw the…a

00:31:20

Solar Thermal Power Plant in BSB;

00:31:22

this was in the mid ‘70s.

00:31:25

Professor Ramachandran went to

00:31:27

start the department of non…no no, DST as Secretary.

00:31:31

I think he started the Department of Non-conventional Energy Sources. Prof. Sastry: Yeah, right.

00:31:34

Prof. Kolar: So, what was his role in initiating the solar energy research, here?

00:31:37

Prof. Sastry: He actually…as I said, Prof. Kolar: Yeah.

00:31:40

Prof. Sastry: even the DST when he was Secretary,

00:31:43

with regard to this Regional Centre for Asia and Pacific,

00:31:48

regarding that matter, I visited Delhi, and

00:31:51

I met him in his office. He was so much interested in solar energy. Prof. Kolar: Yes.

00:31:57

In fact, he said casually, “Sastry, do you think

00:32:01

that, like Atomic Energy Commission,

00:32:04

in this country, should we have a Solar Energy Commission?”

00:32:07

Mr. Sathasivam: Right. Prof. Kolar: These were in ’73

00:32:08

Mr. Sathasivam: Right. Prof. Kolar: ‘74.

00:32:09

Prof. Sastry: This was in 1974-75 time frame. Mr. Sathasivam: Yes.

00:32:12

He was thinking, then…I just casually of course,

00:32:16

because I had this freedom with him to… Prof. Kolar: Yes.

00:32:19

Prof. Sastry: have talk, I just…I said, “Unfortunately we should

00:32:23

not…we should first of all develop

00:32:27

a total overall plan for the energy in the entire country.”

00:32:33

For example, energy comes from you know, solar and of course,

00:32:36

from fossil fuels and hydro

00:32:38

and all…what are our resources available in each

00:32:42

one of these areas, and what is our projected

00:32:46

growth rate and what is the amount of

00:32:48

our needs, so far as energy is concerned.

00:32:51

I said, “Already right now, we have…”, actually

00:32:55

at that time, Ministry of Power, Ministry of Water is different.

00:32:59

Prof. Kolar: Ministry of Coal. Prof. Sastry: Coal is different, coal is different.

00:33:02

So, each person actually is…atomic energy of

00:33:05

course, anyway is different.

00:33:07

So, each person actually is having…

00:33:10

and each area is having its own empire, so to speak.

00:33:14

So to say solar energy, wind energy

00:33:18

will become another…Wind Energy Commission.

00:33:20

So, can we avoid that?

00:33:24

He said, “No no, I was just intellectually I was discussing.”

00:33:27

So, what I am trying to say is, Prof. Kolar: He had.

00:33:29

Prof. Sastry: He had that. Prof. Kolar: Absolutely.

00:33:31

You know he was looking into the future, and in that

00:33:34

context only, we also had actually solar

00:33:37

Prof. Kolar: Yes 10 kilo watt thermal power plant. Prof. Sastry: 10 kilo watt station

00:33:41

actually developed here, probably that is the first one

00:33:43

Prof. Kolar: I think so, it is the first one. Prof. Sastry: First one.

00:33:45

Prof. Kolar: Solar energy research, again, to the best of

00:33:47

my knowledge, started in IIT Madras.

00:33:48

Mr. Sathasivam: The first in the country, sir? Prof. Kolar: Yes.

00:33:50

Prof. Sastry: Yeah, first in the country. Mr. Sathasivam: Right.

00:33:51

Prof. Kolar: Definitely in the IIT system and the educational institutions,

00:33:54

and there was no…he started the Non-Conventional Energy Centre

00:33:58

which now is MNES. Professor Ramachadran started. Prof. Sastry: Yeah, he started that one.

00:34:02

Mr. Sathasivam: Right. Prof. Sastry: Actually, earlier, there was some…

00:34:07

in the area…in the…in the department under the National

00:34:09

Physical Laboratories and physics area,

00:34:12

some work was supposedly…we have done in the solar.

00:34:15

Mostly there were actually solar cookers, solar

00:34:18

water heaters and that kind of thing.

00:34:20

But not in terms of producing energy. Prof. Kolar: Power

00:34:23

Prof. Sastry: Power. Prof. Kolar: Yeah, Professor Ramachandran was a man of vision,

00:34:29

he initiated so many programmes for the country.

00:34:32

There was slightly shift focus, because you also…

00:34:34

for the Founder Professor of the Educational Technology Cell.

00:34:38

Today, this is a very big thing again

00:34:40

and through that cell we have the NPTEL

00:34:42

Programme which is extremely popular in the country and

00:34:45

now it’s simply expanding, but you are the originator

00:34:48

of that, can you say a few words about it?

00:34:51

Yeah, actually what happened was that…this happened

00:34:53

actually in 1985 or ‘86 Prof. Kolar: Professor Srin…no…

00:35:00

Prof. Kolar: Professor Indiresan? Prof. Sastry: That was in ‘86 and ‘87

00:35:02

because I took over as Head of the Department in 1986. Prof. Kolar: Yeah.

00:35:07

So one day, in 1987 or something,

00:35:10

one…suddenly just before the financial year comes to an end,

00:35:16

in January or so, we received suddenly a

00:35:20

fax message…the Director received a fax message

00:35:25

saying that they have got additional funds. Prof. Swamy: As usual.

00:35:28

Prof. Kolar: What do you will do with this?

00:35:30

So, we are now giving actually 2 crores

00:35:34

to each of the 5 IITs…to develop an Educational Technology Cell. I see.

00:35:43

So, it came, first meeting actually took place

00:35:46

in Delhi, and I think Professor Raina

00:35:50

from Electrical Engineering Department, he went.

00:35:53

They thought nothing will come out, but then a

00:35:57

few days later, suddenly another fax comes and says,

00:36:00

“Send your representative with complete plan as a fraction.”

00:36:05

So then, Professor Srinath, who was the Director at that time,

00:36:08

he asked Raina, he said, “I am not interested, nothing is

00:36:11

going to happen, nothing.” Unfortunately

00:36:16

or fortunately, I happened to be in Director’s

00:36:20

Office at that time, because I was trying to go

00:36:23

to Delhi for…in connection with my UNESCO Centre.

00:36:27

So, he said, “You go.” Professor Raina said, “You go.”

00:36:33

I said, “What do I do with it, I don’t know?”

00:36:35

He said, “You study, these are the materials, you just

00:36:38

do this. This is what they want.”

00:36:41

So, I worked on it for 2-3 days: tried to at least

00:36:46

bring up some questions, you know what

00:36:48

exactly is going to happen and all.

00:36:49

So we…I attended the meeting.

00:36:52

Then it appeared to be, that they are in a hurry to give funds,

00:36:57

and they did not have much idea,

00:37:00

we also did not have much idea.

00:37:04

So, anyway they are giving the funds,

00:37:06

so, let us create the infrastructure.

00:37:09

And other people later on you know will take it up and...

00:37:12

So, that is how it started.

00:37:14

So, as soon as I came…luckily for me

00:37:18

because I was heading the department,

00:37:21

there was space constraint you know, nobody is willing to

00:37:24

give any…for studio and all that.

00:37:27

So, because of the Mechanical Sciences Block, you know

00:37:30

I was the Head of the Department…under our control,

00:37:32

there was one 356. Prof. Kolar: MSB.

00:37:35

Prof. Sastry: MSB 356 room number. Prof. Kolar: Yes, yes.

00:37:38

Prof. Kolar: It was there for a long time since we shifted to this place. Prof. Sastry: Yeah, it was actually a drawing…this thing,

00:37:42

because by the time, 5 year programme

00:37:45

became 4 year programme, a lot of drawing

00:37:47

instruction was cut from the B.Tech. programme.

00:37:51

So, several of these drawing halls became actually… Prof. Swamy: Yeah, yeah.

00:37:55

vacant, and luckily for us, you know I was able to put it

00:38:00

in the department, and the department very

00:38:02

generously agreed; they did not contest, they said, “Okay,

00:38:05

you take that one”, and then we prepared that studio.

00:38:09

I remember a lot…how much time you spent on getting

00:38:12

the equipment from Japan, the Sony equipment.

00:38:14

You also had the first recruits from that.

00:38:17

Prof. Kolar: Our Ravindranath Mr. Sathasivam: Yes.

00:38:19

Prof. Kolar: was one of the first recruits at that time. Prof. Sastry: It had to go to the

00:38:21

board because basically what they

00:38:23

said is, “Okay, you are creating certain…you know, cameraman, producer

00:38:26

these are not names not normally not available in the IIT system.” Mr. Sathasivam: That’s right.

00:38:33

Prof. Sastry: IIT system. So, what is their career growth?

00:38:36

Supposing you take somebody else, how is he going to grow?

00:38:40

I said, “I don't know.” Prof. Kolar: At that time…

00:38:43

But that time…but with luckily because of

00:38:46

the you know, the generosity of the board as well as the

00:38:50

Director and all the people concerned,

00:38:52

they said…they said, “We will give you just three people:

00:38:57

one cameraman, producer and some other…”

00:39:01

Mr. Sathasivam: So, they were…were you producing videotapes of courses or? Prof. Kolar: Yes.

00:39:05

Prof. Sastry: Yes, courses basically. Prof. Sathasivam: Because it was pre-internet and so on.

00:39:07

Prof. Sastry: Yeah, basically, the idea was to Mr. Sathasivam: Yes.

00:39:08

Prof. Sastry: get for example, lecturers and professors from

00:39:11

various departments, make tapes

00:39:15

on the subject matter, that is basically…

00:39:17

take a subject, you know like a Physics.

00:39:19

In that you would…for example,

00:39:21

undergraduate programme, there is a first year or second year Physics,

00:39:25

the person…the professor actually gives some series of lectures.

00:39:30

So you, for…for a semester, let us say total

00:39:33

about 30-40 lectures you give.

00:39:36

So you make them into about 20 or so, lectures. Prof. Kolar: Yes.

00:39:43

So that the concepts can be explained

00:39:46

by the experts, and send them to various other engineering colleges

00:39:50

if they want to…practically for free.

00:39:54

Mr. Sathasivam: So, these copies were disseminated to colleges. Prof. Kolar: Colleges, yeah.

00:39:57

Prof. Kolar: So this was much before NPTEL came in. Prof. Sastry: That is the

00:39:59

before NPTEL, that is the idea. Mr. Sathasivam: I see.

00:40:00

Prof. Kolar: Yeah, yeah [Inaudible] Prof. Sastry: So, that is

00:40:03

That is how the first…I think the

00:40:05

Professor V. G. K. Murti, Professor Roshan and

00:40:07

Prof. Kolar: Lots of people. Prof. Sastry: few others started…

00:40:09

Prof. Swamy: …50 rupees books.

00:40:11

Prof. Sastry and Prof. Kolar: No no, tapes.

00:40:13

Prof. Sastry: Video tapes.

00:40:15

Prof. Kolar: This was in the…there is a studio that was there in the MSB.

00:40:18

Mr. Sathasivam: The legacy is still there I think.

00:40:20

Prof. Sastry: In fact. Mr. Sathasivam: I think there is still a studio there.

00:40:21

Prof. Sastry: Studio there and it also…we soundproofed it.

00:40:24

We have to…we had to bring experts to soundproof it. Prof. Kolar: Yes, yes sir.

00:40:29

Sir, now we are on this topic of Centre,

00:40:31

you are also aware that the Industrial

00:40:33

Consultancy Centre, which is now the ICSR

00:40:36

was started, and also there was Engineering Design Centre.

00:40:39

Prof. Sastry: Yes. Prof. Kolar: Today we have a Department of Engineering Design.

00:40:41

So, these two are ahead, I mean. Prof. Sastry: Yes.

00:40:44

Prof. Kolar: You started this, can you…your experience with this?

00:40:47

Prof. Sastry: Actually, when I was heading the Department,

00:40:51

the Engineering Design Centre in the…

00:40:53

there was an Engineering Design Centre in the

00:40:55

Department of Mechanical Engineering.

00:40:58

And I don't know the starting time,

00:41:02

probably, it was there for a long time,

00:41:04

because basically 1970…’70

00:41:09

when I joined it was still…it was there at that time.

00:41:11

It was there. What that Engineering Design Centre had was

00:41:17

people from Physics background

00:41:20

and Mechanical Engineering background

00:41:23

and the people from the Physics Department

00:41:27

are also basically in the area of optics.

00:41:30

Optics. So, when…1987 or so,

00:41:38

Professor Srinath said, “What is this,

00:41:40

what is this Centre doing here?”

00:41:42

So, let the physicist go to the Physics Department

00:41:47

and the other people go to Mechanical Engineering Department. Prof. Kolar: Mechanical.

00:41:52

There was obviously, you know, there is a

00:41:55

Prof. Kolar: Different opinions at that time. Prof. Sastry: Different opinion

00:41:57

kind of thing with the Physics Department…our department, [Inaudible]

00:42:01

but we…we have to put through the

00:42:04

Departmental Consultative Committee, we did it

00:42:06

and finally, with the understanding that

00:42:10

the each departmental staff strength

00:42:13

will not be affected. These people were allowed to Prof. Kolar: Yeah.

00:42:18

Prof. Sastry: shift two departments. Prof. Swamy: Because that is Professor Sirohi

00:42:20

Prof. Sastry: Professor Sirohi. Prof. Kolar: Professor R. S. Sirohi,

00:42:23

Prof. Kolar: then Dr. Chennabasavayya from Mechanical Department. Prof. Swamy: I know, I know, I know.

00:42:26

Prof. Sastry: Chennabasavayya came…Kalam Prof. Kolar: Kalam…Kalam was there.

00:42:30

So, these people came to Mechanical Engineering Department.

00:42:34

So, they joined the Machine Design group and so forth.

00:42:36

So, that is how the…but Engineering Design Centre

00:42:41

used to work for some time,

00:42:43

but their collaboration with the industry

00:42:47

in most departments, was basically very very

00:42:50

Prof. Kolar: Yes. Prof. Sastry: small at that time because

00:42:52

the culture still did not develop to that extent right,

00:42:57

like for example, today. Prof. Kolar: Today.

00:42:59

Absolutely. How about the inter…ICC

00:43:03

Professor Wagner was the first person. Prof. Sastry: Yeah.

00:43:05

Professor Wagner was the first person,

00:43:07

I think the second person who…to take over

00:43:10

from him was the…Professor Narayanamurthi.

00:43:12

Prof. Kolar: Narayanamurthi. So this was when Professor Ramachandran was there

00:43:15

Prof. Kolar: or after that? Pandalai. Prof. Sastry: Professor Pandalai. Professor Pandalai was there.

00:43:19

Because Pandalai took over in 1973, I think.

00:43:23

Prof. Kolar: Yes. December 10th. Prof. Sastry: November or December. December, December.

00:43:27

So, he…during his tenure only,

00:43:33

the Heads of Departments, you know the deanships

00:43:37

were created and all. They were not called ‘Dean’ at that time,

00:43:39

it was called ‘Professor-in-charge.’ Prof. Swamy: Yeah.

00:43:42

Professor-in-charge of Industrial Consultancy Centre.

00:43:46

Professor-in-charge of academic courses, like that. Prof. Kolar: Yes.

00:43:49

So, then later on it…it formally became

00:43:53

Prof. Kolar: Dean. Prof. Sastry: Dean. So, the

00:43:55

senior most Heads of Departments actually

00:43:57

were requested to occupy these

00:44:01

new Professor-in-charge positions.

00:44:03

And Professor Narayanamurthi became the

00:44:06

Prof. Kolar: He became. Prof. Sastry: Professor-in-charge at that time.

00:44:07

So, I think this took place around ‘75 or ‘75. Prof. Kolar: ‘5.

00:44:12

Prof. Kolar: Professor Pandalai was the Director at that time. Prof. Sastry: Pandalai was the Director at that time.

00:44:15

Now as you know it has grown into a very big Centre.

00:44:18

So, lots of the…the seeds for today's Prof. Sastry: Yeah.

00:44:21

activities of IIT Madras,

00:44:23

obviously, in ‘70s and ‘80s because of some

00:44:26

very visionary people and their efforts.

00:44:28

So, slightly shifting focus,

00:44:30

you were also Chairman of the Vanavani Committee.

00:44:32

Prof. Sastry: Yes. Prof. Kolar: What, what was the situation?

00:44:34

What were your contributions there? Prof. Sastry: Yeah, Professor Indiresan

00:44:37

actually…one day called me and he said,

00:44:42

“Will you take over the Vanavani School?” Prof. Swamy: Okay.

00:44:44

So, I said, “It so happened my children also were going to

00:44:50

Vanavani and Vanavani actually had a very good reputation

00:44:54

in the city at that time…was one of the best schools

00:44:57

because…primarily because Mrs. Peter was the principal.

00:45:02

The…excellent principal. So,

00:45:04

she brought up the reputation like anything.

00:45:07

So I thought, okay, but unfortunately,

00:45:11

the funds availability was not very high, number 1,

00:45:14

second thing is the employees…

00:45:18

there was a rule in Vanavani School

00:45:20

that 50 percent of the children must be from…from the IIT,

00:45:27

and every child must be every child

00:45:30

requesting admission to Vanavani from within IIT,

00:45:36

he or she…she should be provided.

00:45:38

So you cannot deny the admission.

00:45:41

So that was the condition.

00:45:43

So, usually we used to have approximately

00:45:45

about 1800 to 2000 children.

00:45:48

So about 1000 or so, used to be from

00:45:51

within IIT, and 1000 from outside.

00:45:55

So, what happened was, there was a

00:45:57

large demand from the Employees Association

00:46:03

that earlier there used to be ISC system

00:46:08

the Union School Certificate… Mr. Sathasivam: Yes.

00:46:10

Secondary Certificate System. But they wanted to

00:46:16

make it into a State Board.

00:46:21

So…so…so there was a big problem because

00:46:25

the State Board means, the…they said they had

00:46:29

alternatives: either to run it as a private school

00:46:32

with State Board this thing,

00:46:34

or hand it over to the state government,

00:46:37

in which case the teachers employed…

00:46:40

all these people will be employed.

00:46:41

Control will be completely only by them,

00:46:43

the transfer the…this thing, and second…thirdly,

00:46:46

more importantly, the medium of instruction should be Tamil.

00:46:51

And because of the nature of our

00:46:55

institution, lot of people were not willing to have the

00:47:01

Tamil-medium instruction in the school. Prof. Kolar: I see.

00:47:04

So therefore, what to do?

00:47:07

So we have to have it, and the

00:47:11

funds availability was not very high.

00:47:14

So, prior to taking over as Chairman,

00:47:16

I was on the Management Committee for 2 years.

00:47:19

So I knew the problems. So therefore,

00:47:23

what we tried to do is, I introduced the thing which is…

00:47:26

initially there was some resistance;

00:47:27

basically what I said was,

00:47:30

“For providing all this infrastructure, you know,

00:47:33

free electricity, free water, free furniture,

00:47:35

free buildings and everything from the IIT

00:47:38

is a perquisites that is being given for the staff of the IIT.

00:47:43

But why should the outsiders

00:47:46

enjoy these things at the same tuition fees?”

00:47:50

So I said, “Tuition fees we cannot

00:47:52

differentiate: outsider or insider.”

00:47:56

So what I said is, “The establishment fees

00:47:59

we charge the outsiders. 150 rupees per year

00:48:05

per year.” Prof. Swamy: I see.

00:48:06

So if 1000 people were there, 1.5 lakhs was coming.

00:48:10

So I said okay, we now… Prof. Kolar: That was a…that is a large

00:48:12

Prof. Kolar: amount of money at that time. Prof. Sastry: That is a large amount in those days.

00:48:14

So that, we can increase the infrastructure. Mr. Sathasivam: When you say

00:48:17

those days it is the 1980s or

00:48:20

What period was your association with? Prof. Sastry: It is ‘80 to ‘84.

00:48:25

That was when the question of the mode arose

00:48:27

as well. the ‘81 or so, the period when…

00:48:29

Prof. Sastry: Which one? The… Prof. Kolar: Mode…that problem with the

00:48:31

Mr. Sathasivam: The ISC or the State Board...

00:48:33

Prof. Sastry: Yeah, in fact, which I changed…the system only from Mr. Sathasivam: That was the time.

00:48:35

Prof. Sastry: this previous one to State Board. Mr. Sathasivam: Yes, yes, yes, yes.

00:48:38

Prof. Sastry: State Board, that means ‘plus 2’ so called plus 2. Prof. Swamy: Yeah yeah yeah

00:48:41

Prof. Swamy: Of course. Prof. Sastry: Plus 2. And also around the same time,

00:48:45

the IIT also from a 5 year programme,

00:48:48

It changed to 4 year programme. Mr. Sathasivam: That’s right.

00:48:50

So, because of that, there was some surplus

00:48:55

lab facilities and here I must really

00:49:00

thank actually Dr. R. Srinivasan who was Physics…

00:49:03

he was Deputy Director at that time.

00:49:05

Deputy Director. He was very very cooperative, very nice.

00:49:10

He said, “Some of these experiments and all these things…

00:49:13

now that there is a plus 2,

00:49:16

let the school kids, you know, have the

00:49:19

advantage of these experiments.”

00:49:21

So he shifted actually some of this

00:49:24

equipment and all that…that

00:49:27

for Chemistry, Physics experiments.

00:49:30

He allowed us to use…the…

00:49:33

So that way, we were able to develop the

00:49:37

science labs in Vanavani.

00:49:41

In fact, which became a…which caused tremendous envy to

00:49:47

a large number of external examiners

00:49:49

Prof. Kolar: Yes. Prof. Sastry: Who were coming to examine our…our students.

00:49:53

Mr. Sathasivam: Yes. Prof. Sastry: Because each student was given actually one particular lab,

00:49:57

I mean, table, experiment, 48 students were there

00:50:02

in each section and each person actually had a…

00:50:06

under the table there is a shelf and everything,

00:50:08

they can put their stuff there.

00:50:09

We created that one.

00:50:11

So the establishment charges are 150,

00:50:14

what we tried to do was to…

00:50:18

how to…how to I wanted to

00:50:21

separate the primary school, secondary school,

00:50:24

and higher secondary school, in three units.

00:50:28

So for that primary, we wanted to shift from the

00:50:31

same place to another building which was there.

00:50:34

So, we wanted to have a top floor to construct that one.

00:50:38

Luckily for me, our managing committee

00:50:40

had Mr. Malayalam…was the Prof. Kolar: He was the

00:50:43

Prof. Sastry: Executive Engineer. Prof. Kolar: Executive Engineer.

00:50:44

So, I requested him, “Can we borrow some

00:50:48

bricks and cement and sand…things like that,”

00:50:52

Then there used to be Centre for Rural Development.

00:50:55

Prof. Kolar: Yes. So, Centre for Rural Development Head,

00:50:57

Dr. Radhakrishna I asked him…

00:51:00

they were doing some research about the Fibre-reinforced

00:51:03

concrete: FRC. Fibre-reinforced concrete,

00:51:07

which is a cheap material,

00:51:10

relatively speaking, compared to Portland cement.

00:51:13

So they were actually…

00:51:15

So they said, “Okay, why don't you use it?”

00:51:16

In that, the chicken mesh

00:51:18

you know, is the reinforcement, not the steel.

00:51:22

So, using that, we constructed. I think

00:51:25

today, still it is standing.

00:51:26

So, that we constructed, made rooms,

00:51:30

and the primary section was shifted there.

00:51:33

Mr. Sathasivam: Now this is within Vanavani, sir? Prof. Sastry: Within Vanavani.

00:51:35

Mr. Sathasivam: Right. Prof. Sastry: So basically, we borrowed the material from IIT,

00:51:39

Mr. Sathasivam: Yes. Prof. Sastry: Money, so far as these establishment charges

00:51:43

from the outsiders. With that, we were able to

00:51:46

bring the financial health of the school

00:51:51

Mr. Sathasivam: Yes. Prof. Sastry: to a reasonably good level.

00:51:54

Mr. Sathasivam: Yeah. Prof. Kolar: Sir, it’s interesting you mentioned CRD

00:51:57

because we were also there at that time.

00:51:59

Professor Indiresan started. Prof. Sastry: Yes.

00:52:00

You mentioned Dr. Radhakrishnan. He…you were…you were

00:52:03

talking about this son of Professor Bhagavantham Prof. Sastry: Son of

00:52:05

Professor Bhagavantham, yes. Prof. Kolar: who was in charge of the CR…

00:52:07

Prof. Sastry: He was Physics professor here.

00:52:08

Prof. Swamy: Hostel. Prof. Kolar: Yes. So, can you say something about the Centre?

00:52:14

The idea was… Prof. Sastry: The idea…

00:52:17

Prof. Kolar: From from Professor Indiresan at that time. Prof. Sastry: Yeah.

00:52:19

Prof. Sastry: Basically, the reason is that, you know

00:52:23

the…the national political situation

00:52:26

was such that you know, people wanted to have

00:52:29

always something connected to rural, rural, rural, rural area.

00:52:33

So, Professor Indiresan wanted to have a Centre

00:52:37

for Rural Development in the…in the there,

00:52:40

how to use for example,

00:52:42

whether for cooking purposes, or for

00:52:45

house building purposes, or whatever.

00:52:48

What kind of experts in our technology…

00:52:52

technological institutions? How they can actually

00:52:55

help the rural people

00:52:56

using the local substances and materials?

00:53:00

How we can improve their living conditions?

00:53:03

So as a part of that, they were taking several projects.

00:53:07

In fact, the energy also they were doing

00:53:09

something…wind energy also later on came because of that. Prof. Kolar: Yes.

00:53:12

And then they were trying to

00:53:14

have this for cheap construction.

00:53:20

They were developing this particular

00:53:22

Fibre-reinforced concrete. They were doing some experiments.

00:53:26

And Dr. Radhakrishna said, “You know, it…it…it

00:53:28

stands and there is…we have already experimented, it is okay,

00:53:32

so you can certainly use this.

00:53:34

and… Mr. Sathasivam: It was also known as ferrocement...I und…I remember, yes, yes.

00:53:38

Prof. Kolar: So we will come to academics and research.

00:53:41

I see that you were associated with 7 Directors

00:53:45

starting from Professor Ramachandran

00:53:47

up to Professor Natarajan, Prof. Sastry: Natarajan.

00:53:48

Prof. Kolar: during your stay here.

00:53:51

And quite a few changes happened in academics and research.

00:53:54

As you recall, in your experience, what would you say

00:53:57

in the…from the academics point of view?

00:53:59

Some important developments took place?

00:54:03

The…the academic side, basically as I was telling the

00:54:10

the…the creation of the deanships.

00:54:17

For example, the…the academic courses and research. Prof. Kolar: Yes.

00:54:23

So, there is a Board of Academic Research,

00:54:25

and Board of Academic Courses.

00:54:27

So therefore, there is a…every department actually

00:54:30

is represented in each of these boards.

00:54:33

And they determine what will be the kind of…

00:54:36

the curriculum or the research material

00:54:39

that you can have; research atmosphere.

00:54:43

For example, when I became Dean of Research,

00:54:48

Prof. Kolar: That was 1990. Prof. Sastry: 1990. ‘90 to ’93.

00:54:51

During that period, the…

00:54:55

for one of the first things that I tried to do,

00:54:57

because at that time, the students were taking

00:55:00

a long time to complete the Ph.D. and the

00:55:03

reason for this long time was primarily because,

00:55:07

from the time of submitting the synopsis and Ph.D.,

00:55:10

by the time they get the reports and all that,

00:55:12

that used to take a long time.

00:55:16

So therefore, of course, because of the difficulties

00:55:21

of equipment and funds and all that kind of

00:55:23

thing, anyway some delay was taking place.

00:55:26

But more than that, even the processing of the work Prof. Kolar: Thesis.

00:55:29

Prof. Sastry: Thesis, was getting delayed.

00:55:32

So I tried to first of all, collect over the previous

00:55:35

several years, what was the time that is being

00:55:37

taken by each department in terms of…

00:55:40

because we thought, I thought the…after all the person

00:55:45

completes his Ph.D.

00:55:46

he should enter the profession as early as possible.

00:55:49

It’s a…it's not fair for us to keep the student for too long.

00:55:53

Prof. Kolar: After submitting the Ph.D. thesis. Prof. Sastry: After submitting the Ph.D. also.

00:55:57

So, when I did that, I found certain

00:56:00

lacunae in the processing.

00:56:03

So we tried to first of all improve that one,

00:56:05

and I think fairly…we were able to

00:56:09

do this number 1. Number 2 is the quality of the Ph.D.,

00:56:14

because a large number of Ph.D.s coming out at that time.

00:56:19

In fact, at that time the number of Ph.D.s coming out

00:56:21

was itself very small. Prof. Kolar: Yeah.

00:56:23

For example, in mechanic…in…in the entire engineering areas,

00:56:26

it was only 29 or 30 per year.

00:56:30

Whereas, much more…much larger number in the…

00:56:34

from the Science and the Mathematics Departments. Prof. Kolar: Science, yeah sciences.

00:56:37

So, the question is, what about the quality?

00:56:42

So the quality is…one way of determining the

00:56:44

quality is the…out of the thesis,

00:56:48

how many papers are being published, Prof. Swamy: Yeah.

00:56:51

in refereed journals. So I found that

00:56:57

that number was not very great.

00:57:01

So we tried to propose Prof. Kolar: Sir, in fact, some Ph.D. thesis went…

00:57:04

passed without any publications also. Prof. Sastry: Without any…

00:57:07

Prof. Sastry: there are several, in fact. Prof. Kolar: No it is very important because today there are

00:57:10

many…big guidelines for theses pub…even submission.

00:57:15

So, it…it started at that time. Prof. Sastry: At that time.

00:57:17

Because basically what I proposed was,

00:57:19

I discussed it extensively in the Board of Academic Research

00:57:22

and then we tried to find out, okay,

00:57:25

when you submit the thesis, the synopsis,

00:57:28

by that time, you should have published:

00:57:33

two journal papers, whether international or national

00:57:36

doesn’t matter, should publish.

00:57:38

In the Board of Academic Research,

00:57:40

they said, “It’s too tough.”

00:57:41

So we said, “Okay, one journal publication

00:57:45

and one conference paper.” Prof. Swamy: Yeah.

00:57:47

So finally, the Board of Academic Research agreed,

00:57:51

So we put it before the…and I…

00:57:54

we…I went to the…Professor N. V. C. Swamy who was Director. Prof. Kolar: Yeah.

00:57:58

He said, “It’s a good thing, we should…

00:58:01

but it…when it came to the Senate, Prof. Kolar: Yes.

00:58:03

It ran into opposition and they said, “No, no”

00:58:07

because a large number of cases in engineering particularly

00:58:12

the…the data collection itself will take a long time

00:58:16

to prepare the unit itself,

00:58:20

the experimental unit itself in the

00:58:22

fabrication and all that, it takes a long time.

00:58:25

So it's not possible to do this, but anyway,

00:58:27

finally, what was decided was,

00:58:29

at least one paper in a journal or a conference,

00:58:34

internat…refereed conference, Prof. Kolar: Yeah.

00:58:37

it should be published.

00:58:38

So that is how it started.

00:58:40

So the quality improvement of the thesis,

00:58:43

we tried to at least introduce,

00:58:46

but I think nowadays, I think it is very common…

00:58:49

lot of…nowadays and moreover the

00:58:52

availability of resources also is much more now,

00:58:56

compared to…at that time.

00:58:57

Prof. Kolar: Also, earlier times, if you send a paper,

00:58:59

it would be take two weeks to reach. Prof. Sastry: Yeah.

00:59:02

And they would take months for…you know

00:59:05

peer review, and then we have to again go back

00:59:08

to them. It could take even year or even more than that.

00:59:11

Why, for example, in our subject, the Heat Transfer,

00:59:14

the International Journal of Heat Transfer

00:59:16

used to cost 125 dollars per year.

00:59:21

But the…just imagine, in those days,

00:59:26

if you submit in an United States, for example,

00:59:28

if you submit a paper, by the time it is reviewed

00:59:31

and all this kind of a thing and it see…it comes in

00:59:33

the print, it used to take about 9 months to 1 year.

00:59:36

Prof. Kolar: Oh even there, in those days. Prof. Sastry: Even there, in those days.

00:59:40

Now, that particular journal comes by sea mail.

00:59:44

Mr. Sathasivam: Yes. So it used to take 4 months or 5 months sometimes.

00:59:49

And first of all, this is one journal; international journal.

00:59:53

They are not enough funds here, because I was

00:59:55

Dean of Research, I was also in charge of the library. Prof. Kolar: Oh I see.

00:59:59

Mr. Sathasivam: The library committee was trying to

01:00:02

Mr. Sathasivam: you know economize some of the. Prof. Sastry: Economize.

01:00:04

Mr. Sathasivam: Yes, I remember that Prof. Sastry: In fact, I was

01:00:05

Prof. Sastry: I was the Mr. Sathasivam: Yes, that’s right.

01:00:06

Prof. Sastry: Chairman of that committee: Library Committee.

01:00:08

Departments were asked to prioritize

01:00:10

the journals, if I remember right. Prof. Sastry: Prioritize

01:00:11

Prof. Sastry: prioritize for example, Mr. Sathasivam: Yes, that’s right.

01:00:13

even the…the…what is that…chemical index or something.

01:00:15

Prof. Kolar: Yes, yes, engineering index. Engineering…engineering index.

01:00:18

Prof. Kolar: We are…all the journals. Some of those things

01:00:19

you know, they said, you know,

01:00:20

“Why don't you have this one?”

01:00:21

Consequently, what I am trying to say is,

01:00:23

the funds availability was low,

01:00:26

in addition to that, even if for example,

01:00:28

I submit in…in…in…in Heat Transfer

01:00:30

let us say there half a dozen,

01:00:32

I can submit only…I can only subscribe

01:00:34

only to one journal; this one.

01:00:36

This also comes after one and a half years.

01:00:38

In other words, the…the subject

01:00:40

if I am looking at, in the journal,

01:00:42

is actually one and a half years old. Prof. Kolar: Old. Mr. Sathasivam: Yes, yes.

01:00:45

So, these are the practical difficulties

01:00:47

in research, and we were trying to somehow, you know…

01:00:52

but the idea was there that

01:00:53

we recognize these problems,

01:00:55

and we were trying to find some solutions.

01:00:58

And in that sense I think

01:00:59

there was a lot of cooperation.

01:01:02

Occasionally there will be some

01:01:03

difference of opinions. Prof. Kolar: Yes, yes.

01:01:04

But generally speaking, we had very good cooperation

01:01:08

in terms of…for example, the…the library.

01:01:13

The alumni said, at that time,

01:01:15

“We will construct a diff...library.

01:01:19

We will give you for construction.”

01:01:22

I tried to argue with the Professor…

01:01:25

Director at that time, Professor Swamy.

01:01:28

Library is not the building, it is the books inside.

01:01:33

Now as Library Committee Chairman,

01:01:35

I am cutting down the…

01:01:38

what is the point in having a big building?

01:01:41

Prof. Kolar: And there is no money to buy the books. When there is no money.

01:01:44

So is it possible, please consider

01:01:46

whether you can have a fund

01:01:48

that the alumni gives,

01:01:50

out of which you know, you can

01:01:51

spend for the journals.

01:01:54

But of course, for the…it could not materialize,

01:01:56

but what I am trying to say is that,

01:01:58

that used to be the difficulties Prof. Kolar: Yes.

01:02:00

in…in…in Prof. Kolar: Absolutely.

01:02:01

in conducting research or…

01:02:04

these are the difficulties.

01:02:05

So…but anyway, it was basically,

01:02:07

it has come a long way now.

01:02:09

So in terms of academics,

01:02:11

I remember during those times

01:02:12

the credit system was introduced,

01:02:15

‘Best Teachers’ awards were being given,

01:02:17

and you were…you received that,

01:02:19

and also student feedback. Prof. Sastry: Yes.

01:02:21

So could you say something about this? Prof. Sastry: Actually

01:02:23

the…it was not very…in an organized way,

01:02:28

but I think Professor Pandalai was the

01:02:30

first person to…to think of

01:02:33

some kind of a teacher evaluation.

01:02:36

He was the first person.

01:02:38

So he apparently…I don’t know

01:02:42

how he did it, but he collected

01:02:43

a lot of information from

01:02:45

some of the very good students

01:02:47

in each department. In each…at…at…at every level.

01:02:52

And after getting that information,

01:02:54

he identified some people from

01:02:56

each department as ‘Best Teachers.’

01:03:01

And he put up these names

01:03:02

before the board, and the board

01:03:04

said, “Yes, it is a good idea,

01:03:05

and… Prof. Kolar: Because there is no committee,

01:03:07

Prof. Kolar: there is no other parameters. Prof. Sastry: So, there is no committee and all that.

01:03:09

Prof. Sastry: No no. Prof. Kolar: We don't know about that.

01:03:10

But Pandalai sent individual letters

01:03:13

to…”Glad that you know you are…you are…you are deemed to be a…”

01:03:19

Prof. Kolar: It was called the ‘Best Teacher Award.’ ‘Best Teacher Award.’

01:03:21

‘Best Teacher Award.’ ‘Best Teacher…’

01:03:23

Prof. Swamy: Excuse me, this was not known to everybody.

01:03:26

Prof. Kolar: Everybody. That's what I am saying,

01:03:27

that's what I am saying.

01:03:27

So, I don't know. Prof. Kolar: It was an almost individual thing

01:03:29

Prof. Kolar: that he did Prof. Swamy: I came to know of it

01:03:32

Prof. Swamy: because I started reading the board minutes.

01:03:34

Prof. Kolar: Okay. Prof. Swamy: Otherwise, I would not have known.

01:03:35

See that is the…that is…

01:03:37

that is why I said, Prof. Kolar: That’s all

01:03:38

it has come actually as a…we don’t know.

01:03:42

So in that process for example,

01:03:44

people like you know, V. G. K. Murti

01:03:46

and…I also got one letter and all that,

01:03:48

but I really didn't…

01:03:50

but ulti…formally it was started by

01:03:52

Professor Indiresan. Prof. Swamy: Yeah.

01:03:55

Professor Indiresan used to

01:03:56

issue a weekly newsletter. Prof. Kolar: Yes.

01:03:59

It come…used to come on Friday,

01:04:02

and in that newsletter,

01:04:03

giving all the other news about the IIT,

01:04:07

what is happening and all that,

01:04:09

at the end of the semester,

01:04:12

at the back of that newsletter,

01:04:15

They used to be a list of the Prof. Swamy: Correct.

01:04:17

best teachers in the order of ranking,

01:04:21

or…but each…not ranking as such,

01:04:23

but these are the best teachers,

01:04:25

and he created a criteria;

01:04:28

he asked for the feedback from the students. Prof. Kolar: Oh, okay

01:04:32

And some 7.5 or so

01:04:35

out of 10, whoever gets,

01:04:37

only they will be recognized as good teachers.

01:04:41

So that kind of system he developed

01:04:43

and he…it ran for quite some time,

01:04:45

I think several years it was…

01:04:47

but it is…at least open and it is a feedback.

01:04:51

That is…it was organized,

01:04:52

better organized. Prof. Sastry: Organized way in a

01:04:53

Prof. Sastry: systematic fashion Prof. Kolar: Today also

01:04:55

we have, some ‘Young Teacher and Scientists Awards’,

01:04:58

there is endowments from…not endowments,

01:05:00

some alumni have contributed

01:05:02

to recognize the best teacher. Prof. Sastry: Yeah,

01:05:04

Prof. Sastry: best teacher Prof. Kolar: Couple of them.

01:05:05

Prof. Sastry: In fact, on Teachers’ Day,

01:05:08

…in fact, I was there

01:05:10

as a Teachers’ Day Prof. Kolar: Oh…oh…oh you are

01:05:11

Prof. Sastry: chief guest you know in 2012,

01:05:13

Prof. Sastry: so I gave…gave the awards to

01:05:15

Prof. Swamy: Yeah he…he came as chief guest. Prof. Kolar: Oh, okay.

01:05:18

Prof. Swamy: He gave the awards to… Prof. Kolar: Sir,

01:05:20

how about the credit system?

01:05:21

It was a very major change. Prof. Sastry: Credit system

01:05:23

also was introduced by Professor Indiresan. Prof. Kolar: Okay.

01:05:25

Professor Indiresan. In fact, the

01:05:27

so called…the time table smart slot system. Prof. Kolar: Okay.

01:05:30

You know, ABC slots

01:05:32

and the credit system was introduced by…

01:05:35

Professor Indiresan is you know, is a man of

01:05:37

you know…is a very…constantly coming up

01:05:40

with ideas and it's very…

01:05:43

that way, he is also very dynamic.

01:05:46

CRD also was his idea.

01:05:48

CRD…[Inaudible]…CRD although which did not.

01:05:50

Prof. Sastry: Yeah, yeah. Prof. Kolar: For a long time it didn't work,

01:05:52

Prof. Sastry: Yes. Prof. Kolar: but the idea was…

01:05:54

Because I remember, as I had just then joined only,

01:05:57

I think. Indiresan was leaving. Prof. Sastry: Yes.

01:05:59

We thought CRD was…as…resource…

01:06:01

I mean, young faculty members, it’s a good idea,

01:06:04

IIT should be developing technology for India. Prof. Sastry: Yeah.

01:06:07

And if the rural people require

01:06:09

you know I remember they were talking about

01:06:11

developing a cart with tyres or something like that,

01:06:16

so that it’s easy for the farmer to use these things.

01:06:19

We thought, as very new faculty,

01:06:22

it's a very nice Centre,

01:06:24

but for a period of time for several reasons,

01:06:27

Prof. Kolar: it was Prof. Sastry: But yeah,

01:06:29

Prof. Sastry: he was very conscious of the Prof. Kolar:…stopped.

01:06:31

you know, how to interact with the society

01:06:34

and rural areas, and how to transfer

01:06:37

this technology to the needy…

01:06:40

this thing…particularly using the

01:06:42

local resources and local materials. Prof. Swamy: Yeah

01:06:45

Sir, you saw the documentary

01:06:46

in the beginning; we talk a lot about

01:06:49

Indo-German cooperation,

01:06:51

and we take pride in saying,

01:06:53

“Ours is the only institute

01:06:55

which still continues to have good

01:06:57

collaborative programmes with Germany.”

01:07:00

What was your experience,

01:07:02

and…either on your own

01:07:04

or as a witness to some of these things?

01:07:06

In a way this…this…out of all this

01:07:11

international cooperation in the establishment of IITs,

01:07:16

the German experiment is the best.

01:07:20

Not only because that…see for example, in IIT Kanpur;

01:07:25

they had only a 10 year programme,

01:07:27

and after 10 years, they stopped. Prof. Swamy: Yeah.

01:07:31

Prof. Kolar: I see. Prof. Sastry: Stop…there is nothing

01:07:33

no further…see at a mutual level

01:07:35

there may be exchange of

01:07:38

Prof. Kolar: Based on personal contacts. Prof. Sastry: Personal contact,

01:07:40

but as institutionally there is none.

01:07:42

Whereas, as you know very well, that

01:07:45

after the programme of first 10 years…

01:07:47

then they continued for another 3 years,

01:07:51

but most importantly, after some time

01:07:54

I think it’s about…see that

01:07:57

next three 3 years is extended,

01:07:59

and one more I think…2 years or so

01:08:02

they extended on the basis of

01:08:04

Joint Research Programmes.

01:08:05

Prof. Swamy: So we had even in 1987…

01:08:08

Indo-German projects…Indo-German projects. [Inaudible]

01:08:10

But the thing…in that, the

01:08:13

basic thing is that they explicitly recognize

01:08:19

that a Professor from Germany,

01:08:21

and a Professor from IIT,

01:08:23

they are basically equal people,

01:08:25

in other words…in that sense, that is the…

01:08:27

Prof. Kolar: I see. Prof. Sastry: very important aspect

01:08:29

in other words they said, “Okay,

01:08:31

now IIT Madras has developed to such a level

01:08:35

that we can consider them as actually…” Mr. Sathasivam: Partners.

01:08:38

Prof. Sastry: a part. So that is a very good thing,

01:08:41

so in that sense it was continuing,

01:08:43

of course, at the individual level

01:08:45

there is always there…that cooperation,

01:08:48

but it was formalized

01:08:50

and continued for a long time

01:08:51

and that experiment only was in

01:08:56

in…Germany experiment. Prof. Kolar: IIT Madras

01:08:58

Prof. Kolar: Indo-German cooperation. Prof. Sastry: For example, as I said

01:09:01

earlier you know in IIT Kanpur,

01:09:04

the IIT Kanpur Director at

01:09:05

that time, Dr. Kelkar when I was there,

01:09:08

he was all for young faculty joining

01:09:12

you know, to continue their Ph.D.,

01:09:15

but the American side said no.

01:09:20

So the kind of…you know, cut and dried kind of thing

01:09:28

was not here, because they said

01:09:30

they understood what exactly needed,

01:09:32

and how it can be gradually transformed,

01:09:36

taken to a higher level,

01:09:39

and during all this time

01:09:40

they continue the cooperation.

01:09:41

So in that sense I think it’s a…

01:09:43

the most successful experiment.

01:09:46

Because…because of my association with

01:09:48

both IIT Kharagpur and Prof. Kolar: Yeah.

01:09:50

Prof. Sastry: Kanpur. Prof. Kolar: IIT Kanpur.

01:09:52

In fact, one more IIT you missed;

01:09:53

I also taught for some time at IIT Chicago.

01:09:57

[Laughter] Oh, oh I missed out on that!

01:10:02

Then immediately after Ph.D., you were there for

01:10:05

Prof. Sastry: No no, when I was a faculty member

01:10:06

Prof. Sastry: at the University of Illinois, Chicago,

01:10:08

Prof. Kolar: Oh you taught… Prof. Sastry: I was teaching evening

01:10:10

classes at IIT Chicago.

01:10:12

Prof. Kolar: So you have had experience with IIT Kharagpur,

01:10:14

Kanpur, IISc Bangalore, IIT Madras,

01:10:16

and before UICC you were in

01:10:18

Prof. Kolar: some other university which had been shifted Prof. Sastry: Actually I

01:10:21

Prof. Sastry: joined this thing only Prof. Kolar: from

01:10:22

Prof. Sastry: University of Delaware, so my Prof. Kolar: Yes exactly.

01:10:24

Ph.D. formally actually is only

01:10:26

from University of Delaware.

01:10:28

But my Ph.D., because

01:10:29

that is another st…that has got nothing to do with this,

01:10:32

because my guide Professor Dr. Hartnett,

01:10:37

extremely competent person, very famous person,

01:10:40

Prof. Kolar: Yeah. Prof. Sastry: But highly short-tempered person.

01:10:43

And because of a difference of opinion with him,

01:10:46

as Head of the Department,

01:10:47

and the President of the University, Prof. Kolar: Yes.

01:10:50

Suddenly he said, “Oh you invited me

01:10:52

to come to this place…

01:10:53

now if you are ask…you are inviting

01:10:56

me to go out I will go out.”

01:11:00

So he resigned and went.

01:11:01

so. And he started the energy centre in Chicago.

01:11:03

Prof. Sastry: Energy…no, Energy Engineering Department. Prof. Kolar: Engineering Department.

01:11:06

Prof. Sastry: That is another story, of course about Prof. Kolar: Yes, yes.

01:11:08

Prof. Sastry: the University of Illinois…this thing, Prof. Kolar: Yes.

01:11:10

but that is a…there were not conventional

01:11:12

engineering departments, there were

01:11:14

actually 4 departments in engineering college

01:11:16

at that time, that was started in 1965:

01:11:19

Energy Engineering, Information Engineering,

01:11:23

Systems Engineering and Materials Engineering.

01:11:26

These four were the departments.

01:11:29

They were all supposed to be

01:11:31

interdisciplinary kind of thing.

01:11:33

Prof. Sastry: So Energy is a…department was there. Prof. Kolar: Yes.

01:11:36

After some time you know, because,

01:11:38

like everywhere, when you have this degree

01:11:41

from Energy Engineering, their employability;

01:11:43

the graduates employability will be a problem.

01:11:46

So they…after a few years

01:11:47

Prof. Sastry: they reverted back to conventional names: Prof. Kolar: [softly] Streams.

01:11:52

Mechanical, Civil and Electrical and so forth.

01:11:54

Sir, so, I want to have an overall picture.

01:11:57

You started as a student in IIT Kharagpur,

01:12:00

and ended in IIT Madras,

01:12:02

but in the last 20 years also

01:12:04

you have kept…you are observing

01:12:06

how…what is happening.

01:12:07

So what is your overall picture of

01:12:09

especially research in IITs? At that time,

01:12:13

how they developed and what it is today?

01:12:16

Obviously, there is a tremendous growth

01:12:20

that has taken place in IIT Madras,

01:12:22

both in terms of quantity as well as quality.

01:12:27

So far as the quality is concerned,

01:12:30

earlier it was generally of a lower quality

01:12:34

mainly because of lack of resources.

01:12:36

Was it a…really a problem, sir?

01:12:39

Prof. Sastry: As I said. Prof. Kolar: Because we always complain…lack of funds.

01:12:41

As I said earlier, for example,

01:12:43

the journal that we were talking about:

01:12:47

it takes about one and half years to get here.

01:12:50

Prof. Sastry: Now, what is happening in Prof. Kolar: Yes.

01:12:53

Prof. Swamy: Information Prof. Sastry: anywhere else in the world

01:12:56

is a matter of a few minutes.

01:12:57

The click of a button,

01:12:58

you can just get the information.

01:13:00

Prof. Swamy: Information was not available Prof. Sastry: So information availability

01:13:02

So therefore, in those days, you pick up a problem primarily from

01:13:09

Prof. Sastry: what is happening elsewhere. Prof. Swamy: Yeah.

01:13:11

Prof. Sastry: And that too, that is old information. Prof. Kolar: Old information.

01:13:14

And that naturally affects the quality.

01:13:17

Whereas now, instantaneously

01:13:19

you can get what is happening,

01:13:20

you are on top of this thing, plus,

01:13:23

now I see that a large number of

01:13:25

people are returning also from abroad.

01:13:27

In those days when I came back from India,

01:13:29

In fact, when I went actually after 4 or 5 years

01:13:33

to America for 3 months, to spend summer,

01:13:37

all my friends at that time were asking me…

01:13:41

they wanted me to say

01:13:44

that I was a stupid going back.

01:13:48

“How could you do that kind of a thing?”

01:13:50

So in other words, the…that was the feeling.

01:13:54

But…so in other words, coming here

01:13:56

Prof. Sastry: was actually very rare kind of thing, Prof. Kolar: Yeah.

01:13:59

in fact, even large number of faculty here

01:14:01

and also some of the students, final year students

01:14:03

who are applying for universities abroad,

01:14:06

they used to come and say,

01:14:07

Prof. Sastry: “Sir what…why did you come?” Prof. Kolar: “Why did you come?”

01:14:10

So now, but that has

01:14:13

become actually much more…people are now…

01:14:17

less number of people are going,

01:14:19

and more people are also returning,

01:14:21

which is a very good

01:14:22

Prof. Kolar: So, you must be very happy that today… Prof. Sastry: So,

01:14:24

that also increases the quality of the work

01:14:26

that is being done now, compared to that.

01:14:28

Today IIT Madras is number 1 in the country

01:14:32

for the la…in our scheme of things.

01:14:35

So in that sense it obviously,

01:14:36

you know, with time things will improve,

01:14:40

but they are improving actually quite nicely.

01:14:43

at a very good rate also,

01:14:45

because of the changes that are occurring

01:14:47

in the technology itself.

01:14:49

Mr. Sathasivam: Now what are the factors you see

01:14:50

Mr. Sathasivam: driving the directions of research now,

01:14:52

Mr. Sathasivam: so now that everything is level as it were.

01:14:55

Earlier the…you mentioned that

01:14:57

Mr. Sathasivam: there were restrictions Prof. Sastry: Yeah.

01:14:59

because of the availability of

01:15:01

Mr. Sathasivam: information and so forth. Prof. Sastry: Yes.

01:15:02

So now, the things are changed…

01:15:03

The things have changed. For example,

01:15:05

right now, the…the way I understand,

01:15:07

because I don’t know much about

01:15:08

exact individual cases, but generally speaking,

01:15:11

there is no lack of resources.

01:15:13

Even at that time, there was no lack of resources.

01:15:16

For example, when Dr. Ramachandran took over

01:15:19

as Department Science and Technology Secretary…

01:15:23

he is a Director, Dr. Gururaja

01:15:25

Prof. Sastry: who was also my classmate in IISc Bangalore. Prof. Kolar: Gururaja was there.

01:15:28

He came one day to…he said,

01:15:32

“Dr. Ramachandran is asking you know,

01:15:33

why there was no proposal from you?

01:15:37

I have got 7 crores with me,

01:15:39

so why don’t you take some projects?”

01:15:42

I particularly avoided writing any proposal

01:15:45

mainly because, you know, people will simply say

01:15:46

that you know, “It’s…he’s is a very close

01:15:49

student of Dr. Ramachandran,

01:15:50

so that is how he got the…”

01:15:52

so I was avoiding that.

01:15:54

So what I am trying to say is, that

01:15:55

basically the resources for IITs

01:16:00

in those days also was not a problem.

01:16:02

Resources…financial resources I am talking about,

01:16:05

but in terms of other resources are require to do research,

01:16:08

whether in terms of…

01:16:11

for example, getting something…some…some…some

01:16:15

piece of equipment done.

01:16:18

In those days restriction was, you have to first of all

01:16:20

go to the Central Workshops.

01:16:23

Prof. Sastry: You have to get it done. Prof. Kolar: Yeah.

01:16:25

Nowadays for example,

01:16:26

you can just go out and get it any time you want.

01:16:28

Yes sir. That is what we did as research scholars.

01:16:31

Prof. Kolar: We got everything done here. Prof. Sastry: Yeah everything done here.

01:16:33

See, in that connection, for sake of record again,

01:16:37

can you say something about the Gavi scheme?

01:16:41

The Gavi scheme I…

01:16:43

Prof. Kolar: This is a Indo-German Prof. Sastry: Yeah yeah.

01:16:45

Prof. Kolar: scheme for buying equipment from

01:16:48

Prof. Kolar: Germany for Indian research scholars…IIT Madras. Prof. Sastry: For Indian research scholars.

01:16:50

Yeah, I don’t know much about it,

01:16:54

I don’t know much about it, but only thing is

01:16:56

that sometimes it you know, led to some unnecessary

01:17:00

Prof. Swamy: Yeah. Prof. Kolar: Okay, yeah.

01:17:02

Prof. Sastry: complications and Prof. Kolar: Yeah.

01:17:04

I was…I asked…I said that

01:17:07

because as a great benefit, me and others,

01:17:10

we got our Hot Wire Anemometers

01:17:12

through that, I got the hot wires themselves,

01:17:14

Prof. Kolar: lot of equipment and all those Porous Plates. Prof. Sastry: Yeah.

01:17:17

As a single research scholar,

01:17:19

I was…greatly benefited. It…

01:17:20

I didn’t have to go to another place for funding.

01:17:23

Through our lab, we applied with his signature

01:17:25

and it took time, but we got them.

01:17:27

Lot of research scholars were benefited

01:17:30

through that scheme. Later of course, it was…

01:17:32

Actually, as I was telling you earlier,

01:17:34

this RDOEI project that we got,

01:17:38

and that actually became very significant

01:17:41

because, not only being the first you know

01:17:44

major sponsored research project,

01:17:46

but in 1974, the BHEL Corporate R and D was established…

01:17:53

Prof. Kolar: In Hyderabad. Prof. Sastry: in Chennai…in Hyderabad

01:17:55

Prof. Sastry: Hyderabad…in Hyderabad Prof. Kolar: In Hyderabad.

01:17:57

And the first General Manager was T. V. Balakrishnan.

01:18:03

So…he actually, you know, they all

01:18:05

came from the manufacturing side and practical side.

01:18:08

So when R and D was established,

01:18:11

now he had lot of problems:

01:18:13

How to…first of all start the work and how to staff the

01:18:18

people who are competent researchers.

01:18:22

So he is found somewhere…that this RDOEI project

01:18:25

we made something in Heat Transfer Lab here.

01:18:29

So he came to me and he said,

01:18:32

“What is this? Can you help us?”

01:18:36

So, we actually made for the cooling purposes

01:18:39

Prof. Sastry: and all that…what is called RC network analyser, Prof. Kolar: Yes, yes.

01:18:41

huge thing. And he said, “Please, you know, help us in this thing.”

01:18:49

So we were associated with this,

01:18:51

Prof. Sastry: and I think 3 of our Ph.D. scholars were actually Prof. Kolar: Yes, yes.

01:18:55

Prof. Sastry: taken by him. Prof. Kolar: Yes.

01:18:57

Prof. Sastry: And… Prof. Kolar: K. V. C. Rao was the first one, maybe.

01:19:00

Prof. Sastry: Yeah. Prof. Kolar: He was the faculty

01:19:01

Prof. Kolar: He did his Ph.D. on that Prof. Sastry: Ph.D. here.

01:19:03

So basically, that particular thing actually continued,

01:19:07

that first project…sponsored research project

01:19:09

continued for several years even afterwards.

01:19:12

With BHEL Corporate R and D in…this thing.

01:19:16

So, those are at least some good experiences

01:19:20

for us in terms of interacting with the institutions outside

01:19:25

the educational institution and…

01:19:29

Sir, very nice, any…any other?

01:19:31

We can go on talking to Professor Sastry for a long time but

01:19:34

Prof. Kolar: we have covered quite a few areas. Mr. Sathasivam: Yes.

01:19:35

Prof. Swamy: No, no, no, I just want…we have not told why Professor Sastry always cuts jokes. [Laughter]

01:19:44

Well I…yeah,

01:19:45

Prof. Swamy: Give a chance to… Prof. Kolar: I have been greatly benefited by my association

01:19:49

with him for last 47 years;

01:19:52

I was one of his first research scholars.

01:19:55

I just want to add to this, sir;

01:19:57

when I came from IIT Kharagpur after M.Tech.

01:20:02

So Heat Transfer was a new area,

01:20:04

and we were only 2 Ph.D. scholars

01:20:07

that day for interview: Professor Srinivasa Murthy and myself,

01:20:10

and you and Professor MBK were in this MSB.

01:20:13

I just…I walked towards you, and Srinivasa Murthy

01:20:17

walked towards MBK and that was it.

01:20:19

It was over evening we were…we had said, “We were selected.”

01:20:22

And all that…but when I joined,

01:20:24

I was so excited about the work that was going on

01:20:27

in the lab. I came from Kharagpur

01:20:29

where it would be a lot of experimental work,

01:20:30

but the research environment was great.

01:20:33

And I was doubly blessed that

01:20:36

Professor Ramachandran was the Chairman of the

01:20:38

first Registration Committee.

01:20:40

All the facu…Professor Subbaraju, Professor Gopichand,

01:20:43

Professor T. K. Bose. It was for me, you know,

01:20:45

for a new…I was hardly 21.

01:20:48

It was a very exciting thing that

01:20:50

I am in the midst of these, you know, great people.

01:20:53

And Ramachandran, in fact, he…he suggested

01:20:57

an answer to me when somebody asked a question,

01:20:59

I was not able to answer, he said,

01:21:00

“Why don’t you say this”, you know, and he remembered it

01:21:03

after several years, he said, you know,

01:21:04

“How are you doing? Your free conviction Ph.D. is over.”

01:21:07

I was greatly…I was a great admirer of him.

01:21:12

I talked about him in the one of the earlier…

01:21:15

and you were associated with him

01:21:16

and with 7 Directors. You held different positions.

01:21:21

So, you have so much, of course, to share with us.

01:21:26

The small…this thing:

01:21:28

Dr. Ramachandran used to have a room in our laboratory,

01:21:33

Prof. Sastry: and that room was occupied by Kolar. Prof. Swamy: Yeah, yeah.

01:21:36

Prof. Kolar: I…I…yes…yeah [Laughter]

01:21:38

Prof. Kolar: I said that. Prof. Swamy: He has told about it.

01:21:41

We would…just to add to that sir,

01:21:44

we knew when Professor Ramachandran is visiting the lab,

01:21:46

there is so much of activity,

01:21:48

Professor Sastry running around,

01:21:49

Professor Natarajan will come from there

01:21:51

T. K. Bose will come from there,

01:21:52

MVK, he won't stand,

01:21:54

he would just walk all over the laboratory

01:21:56

and talk to technic…everybody, “What…what are you doing?”, you know.

01:21:59

Prof. Kolar: He was such a great force. Prof. Sastry: But…but

01:22:02

you might have got the impression, that

01:22:04

Dr. Ramachandran was interested only

01:22:05

in the Heat Transfer Lab and department,

01:22:07

Prof. Sastry: but actually, what he was doing was… Prof. Kolar: Yeah.

01:22:09

9 o’clock is the Director’s…

01:22:11

normally he goes to the office.

01:22:14

8 o’clock he starts in his own car,

01:22:17

Prof. Sastry: you don’t know which department he will go to. Prof. Kolar: I see Prof. Swamy: he had come to our…

01:22:20

Prof. Sastry: Yeah, which department? Prof. Kolar: Unannounced

01:22:22

Prof. Kolar: he would come Prof. Sastry: Unannounced.

01:22:23

So there is no question of…any show or anything.

01:22:26

So he comes there, and talks to people,

01:22:29

many of them were actually faculty members

01:22:31

working for their Ph.Ds.

01:22:32

So basically you know, lecturers and so forth.

01:22:36

And he under…tries to learn from them

01:22:38

what topic they are working and all.

01:22:41

Probably to go to that lab, he may get a

01:22:43

chance only after several months.

01:22:46

But then when he goes there,

01:22:47

Prof. Sastry: “Last time you were doing this”, you know, Prof. Kolar: Yes

01:22:49

He remembers. His memory was phenomenal.

01:22:52

Prof. Kolar: Absolutely. Prof. Swamy: He used to meet students also.

01:22:54

Prof. Kolar: Yes sir. Prof. Sastry: Because I had the opportunity,

01:22:56

lucky opportunity of working with him

01:22:58

Prof. Sastry: even in the United Nations. Prof. Kolar: Yeah

01:23:00

Prof. Kolar: We didn't cover that actually. Prof. Sastry: Yeah

01:23:02

…in the United Nations.

01:23:03

And the…the respect that he commanded

01:23:06

you know, with the entire staff…in the…that is unbelievable.

01:23:11

Even Centre for Human Settlements in Nairobi.

01:23:13

Prof. Sastry: So basically, he is a different kind of person. Mr. Sathasivam: Right.

01:23:18

Professor Sastry, sir, thank you very much

01:23:22

for taking your time. You are very close by,

01:23:24

Prof. Kolar: so whenever we want, again we will come and talk to you. Prof. Sastry: Okay.

01:23:28

You have shared with us, lots of important things,

01:23:31

which are significant aspects of the IIT Madras history,

01:23:34

and that has come to us with your personal experience

01:23:37

and your own perspective. On behalf of the Heritage Centre

01:23:41

here, thank you very much.

01:23:43

We will try to keep in touch with you,

01:23:44

and…you have not yet visited the Heritage…this is the first time,

01:23:47

so maybe we…go around. Thank you very much.

01:23:50

Thank you for the opportunity

01:23:51

and I was not really a great important player

01:23:57

in the…in this thing, but at the same time,

01:23:59

you know, whatever my experiences and personal

01:24:02

Prof. Sastry: feelings and perceptions, I have tried to share with you,

01:24:08

Prof. Sastry: and thank you very much for the opportunity.

01:24:10

Prof. Kolar: Thank you. Mr. Sathasivam: Thank you, Professor Sastry.

Oral History Project

< Back

Prof. C. R. Muthukrishnan in conversation with Prof. C. Pandu Rangan

Oral History Project

< Back

Prof. H. Md. Roshan in conversation with Prof. B.S.Murty.

00:00:11

Welcome Professor Roshan.

00:00:12

Thanks for coming and being with us in this campus,

00:00:16

your own campus, I know.

00:00:18

And, you have been a stalwart here,

00:00:20

in the area of foundry.

00:00:22

Spent a large number of years.

00:00:24

I heard that, '67 you came here.

00:00:26

And, I would like to know, first of all, about your...

00:00:30

What brought you to IIT Madras? Okay,

00:00:33

Professor Murty, I wish to thank you very much.

00:00:36

I wish to thank you,

00:00:37

I wish to thank Mamata,

00:00:38

and Kumaran and Rajaraman,

00:00:40

for giving an opportunity to speak to you today.

00:00:43

I am really very happy to talk to you,

00:00:46

and whatever questions which you have got. Thank you.

00:00:48

Thank you. You asked me about

00:00:50

what brought me here.

00:00:51

I will tell you briefly about my background and how I Yes, sir

00:00:54

came over here. We would like to know about your

00:00:55

background education before coming to IIT Madras,

00:00:58

and then what really motivated you to come here.

00:01:01

and then, you did wonderful work, I know that,

00:01:03

we will come to that a little later. Yes, Professor.

00:01:06

When I completed my high school,

00:01:08

it was called SSLC,

00:01:09

now it is not, no longer there.

00:01:11

So, I completed my SSLC in 1957. Where was that professor?

00:01:15

Where, where was that, which place? In Markapur.

00:01:17

There is one town in Kurnool district, Markapur.

00:01:20

And then, my mother and my dad, they sent me

00:01:24

to Loyola College, Vijayawada

00:01:26

it is called. Andhra Loyola College. Vijayawada Loyola College.

00:01:27

I know.

00:01:28

So, I went there. Incidentally,

00:01:29

I studied in a college which was just adjacent to that.

00:01:32

There is a government polytechnic

00:01:34

next to Andhra Loyola College,

00:01:35

and I did my diploma in that polytechnic, just...

00:01:39

I, yeah. just for your information, that is it.

00:01:40

I know that, it is in Gurazala. yeah.

00:01:42

I know about the polytechnic also. Wonderful, I mean very

00:01:44

well known place, Loyola College,

00:01:45

everybody talks about it.

00:01:47

So, '57, at that time,

00:01:48

there was no...the plus 2 was not there.

00:01:50

So, it was PUC.

00:01:52

PUC, correct. So, that was my, the last batch of the PUC.

00:01:55

PUC. I did my PUC, I got.

00:01:58

Then, I applied for engineering colleges.

00:02:01

I was underaged.

00:02:02

So, they could, I could not get into engineering college.

00:02:05

So, I had to do one year of BA over there. BA, okay.

00:02:08

So, and then, and then, '58 I completed. Okay.

00:02:12

And then, I applied for engineering college.

00:02:14

At that time, in Tirupati,

00:02:17

University College of Engineering, they started. So.

00:02:20

S.V. University, University College. Yes.

00:02:21

First batch, I belonged to the first batch of

00:02:25

Sri Venkateswara University College of Engineering. Was that the first

00:02:27

engineering college in Andhra, sir? No.

00:02:29

Anantapur, Anantapur is another engineering college. Anantapur, okay.

00:02:32

It is a government engineering college. What about Vizag,

00:02:33

Andhra University was not there those days?

00:02:35

That is Andhra University, that is separate.

00:02:37

So, so you, you belong to Vijayawada, that area?

00:02:40

Correct. So, okay.

00:02:40

Correct. So, so, I got a seat there.

00:02:42

So, 1959 to 1963.

00:02:46

Okay, that was 4 years.

00:02:48

No, it was actually 5 years,

00:02:50

it is a 5 year programme. Okay.

00:02:52

And... I heard, those days it used to always

00:02:54

to be, always 5 years. 5 years.

00:02:56

What happened was, at that time

00:02:58

the Indo-China War was there,

00:02:59

so accelerated course.

00:03:00

We graduated, instead of in, normally in June,

00:03:04

we graduated in December 1963 itself. Okay.

00:03:08

So, we graduated in December

00:03:10

and then, the master’s degree, they will not open

00:03:14

until the next June.

00:03:16

Okay. Then, we went and there was a our

00:03:19

principal, the special officer called

00:03:21

sir Ram Krishnan, he said

00:03:23

"okay, now you have completed this one,

00:03:25

would you be interested in teaching?"

00:03:26

So, I joined immediately Wow.

00:03:28

as an associate lecturer in mechanical engineering

00:03:31

in SVU College of Engineering. Okay.

00:03:34

I did for about 6 months.

00:03:35

Then, at that time, Indian Institute of Science,

00:03:39

Foundry Engineering was a very, very

00:03:41

sought after course for the students.

00:03:43

Under Mechanical Engineering department. Under Mechanical Engineering department.

00:03:46

they have... There, people were there

00:03:48

you know, Professor Seshadri,

00:03:49

I mean, who, with

00:03:51

whom you were there, Professor? 100,

00:03:52

So, I was with Professor M. N. Srinivasan.

00:03:55

M. N. Srinivasan. But how I went to

00:03:57

Bangalore is, in those days

00:04:00

the admissions of master’s degree,

00:04:02

there was no entrance exam Gate.

00:04:04

no gate. No gate. Nothing was there.

00:04:05

The only criterion is, you should be

00:04:08

first rank holder in the university. Wow.

00:04:11

Every first rank holder

00:04:13

if he applies, he will get it.

00:04:15

Elite group of the country

00:04:17

sitting there, wonderful!

00:04:18

You are one of those.

00:04:19

Only 10, only 10 students.

00:04:22

Only 10. All 10 were toppers of some university.

00:04:25

All. I belong to S. V. University, then, Okay.

00:04:28

There was the Madras University,

00:04:30

two people, Osmania University, one person

00:04:32

Banaras...like that, we were 10 people. Wonderful, wonderful.

00:04:35

Wow. So, that is how I went to

00:04:38

Indian Institute of Science, Bangalore.

00:04:40

The head of the, there

00:04:42

the foundry science was

00:04:43

in Mechanical Engineering department. Mechanical.

00:04:45

Head of the Department is

00:04:47

Professor A. Ramachandran.

00:04:48

A. Ramachandran. So, in the first day, when you go

00:04:51

you go and meet the head of the department.

00:04:52

That is the normal protocol practice.

00:04:55

When you enter the room, he will say,

00:04:58

"come in Mr. Roshan," he will say.

00:05:00

We will wonder, "how does he know my name,

00:05:01

for the, he, he did not see me

00:05:03

for the first time he is, he is asking."

00:05:05

Before we come, he reads

00:05:07

everybody’s etcetera etcetera.

00:05:10

And then, that is how I joined the foundry.

00:05:12

Then, Professor Seshadri

00:05:14

was my... Professor Seshadri, he taught me.

00:05:16

So, Professor Seshadri and Professor

00:05:18

Malur Srinivasan from

00:05:19

Mandyam Srinivasan. Mandyam Srinivasan.

00:05:21

So, I did my the masters' work

00:05:25

with sir Mandyam Srinivasan.

00:05:27

So, 2 years were over.

00:05:30

After... There was also one

00:05:31

aluminium foundry professor, K. S. S.?

00:05:35

Srinivasa Murthy. Murthy.

00:05:36

Professor, professor he was also... Srinivasa Murthy.

00:05:38

He also taught us.

00:05:39

Professor Seshan, Professor Mandyam Srinivasan, Correct, correct, correct.

00:05:41

Professor Seshadri. So, Professor Seshadri was...

00:05:44

Yes. Although, I did not do my master's,

00:05:47

but still he is a,

00:05:48

he is a wonderful teacher so, Wonderful teacher.

00:05:50

I was always associated. That was a

00:05:52

2 year programme, Professor?

00:05:53

2 year programme. Okay, those days it was

00:05:55

now, possibly, you are aware that now

00:05:57

master's became one and half year.

00:06:00

When I did my master's, it was one and half,

00:06:02

then again, now it came back to 2 years.

00:06:04

No, no, no, it was not

00:06:06

one and half years, it was 2 years.

00:06:07

So, it was 1964 and 1966.

00:06:12

Then, when we take the advice of the

00:06:14

Head of the Department, Professor A. Ramchandran,

00:06:16

he says, "you are a foundry engineer,

00:06:18

you should work in an industry."

00:06:20

No, no academics?

00:06:21

No academics etcetera.

00:06:23

So, then where are the jobs?

00:06:25

there are no jobs in...

00:06:27

anywhere. So, they say,

00:06:28

"go to Bombay, there are jobs."

00:06:31

We took a ticket, just took it, sat in the train,

00:06:35

went to Bombay, at that time

00:06:38

to search for a job.

00:06:39

So, then what happened was, then you...

00:06:41

No campus interviews, nothing, those days?

00:06:43

No campus interviews, nothing. Okay.

00:06:46

So, then? Now, things are all different.

00:06:48

Then, you should see in the newspaper

00:06:50

daily, in the daily in the morning,

00:06:52

and then, try to find out its advertisement.

00:06:55

Then, first I went to die casting foundry.

00:06:58

So, even at Indian Institute of Science,

00:07:00

I passed with distinction. Distinction. '

00:07:03

Again, I got the first rank. First rank?

00:07:05

In the MTech, ME. ME.

00:07:09

And then, I got, one person in

00:07:12

die casting foundry, he offered me a job.

00:07:15

But, it was a small shop.

00:07:17

Then, there is another company called

00:07:19

New Standard Engineering Company in Bombay.

00:07:21

It is a iron foundry,

00:07:23

with a Polish collaboration.

00:07:25

and then, about 400 tonnes of gray iron

00:07:29

and maximum weight of the casting is 20 tonnes.

00:07:32

So, they also make the induction furnaces.

00:07:35

Tagliaferi induction furnaces

00:07:38

and I went there and took the interview.

00:07:41

And they said, "okay, we will give you a job."

00:07:44

So, I got the job.

00:07:46

So, you spent just, looks like only 1 year

00:07:48

was it very hard job; that is what made you

00:07:52

come to academics immediately?

00:07:53

'67 you came to IIT Madras, I know. Yeah.

00:07:56

So, '66 to '67 just 1 year in,

00:08:00

That was a... in foundry?

00:08:01

That was due to my personal reasons.

00:08:03

In the sense, when I was doing my master's,

00:08:05

my dad passed away.

00:08:07

Okay, so. Sorry to hear that.

00:08:08

Then, what happened was, then my mother was in.

00:08:11

So, she was... So, you need to take care of her.

00:08:14

I was to, I had to take her, so she was ill.

00:08:16

So, 1967 my mother passed away.

00:08:20

So, I had to Okay.

00:08:22

shift my place from Bombay.

00:08:24

So, you came back to, closer to Andhra.

00:08:27

Then, what happened was,

00:08:30

I came down to my Kurnool

00:08:33

where my mother was there.

00:08:34

When she passed within,

00:08:36

I resigned my job in, in Bombay.

00:08:40

But, I need a job.

00:08:41

That is true.

00:08:42

So, there are, 2 openings were there.

00:08:44

Indian Institute of Science, Bangalore -

00:08:45

a lecturers' post. Okay.

00:08:47

And then, Indian Institute of Technology,

00:08:49

was a associate lecturers' post.

00:08:51

I applied for both of them.

00:08:54

And then, what happened was,

00:08:55

I got an interview in

00:08:57

Indian Institute of Science, Bangalore.

00:08:59

So, I was about to go over there,

00:09:01

but my mother was sick.

00:09:03

So, I said, "I will not go."

00:09:05

So, I... So, you missed the interview?

00:09:07

I missed the interview. Okay.

00:09:08

But. That was the... It was, it was good for me.

00:09:10

That was a blessing for IIT Madras.

00:09:12

I mean, we got you,

00:09:14

and it is amazing, amazing

00:09:16

to hear that. It was a, it was good

00:09:18

for me too. And then, what happened was,

00:09:20

I came over here,

00:09:21

and I attended the interview. Okay.

00:09:24

And then, during the interview,

00:09:25

Professor E. G. Ramachandran, they were there.

00:09:28

So, associate lecturer, Some 500 rupees

00:09:32

job etcetera, then they offered.

00:09:34

Then, they asked me, "okay, you are qualified."

00:09:37

Lecturer is only master’s degree,

00:09:39

there is no PhD requirement in those days. Requirement in those days?

00:09:43

So, they said, "why did you...

00:09:44

we had interviews recently for

00:09:47

the lecturers' post, Lecturers' post.

00:09:48

why did you not apply?" "I did not know.

00:09:50

So, why don't you offer me a lecturers' post?"

00:09:53

"No, no, no, we cannot offer, We cannot offer you...

00:09:54

because we advertised only for..." Well,

00:09:56

IIT Madras goes by advertisement.

00:09:58

"No, no, no, but

00:10:00

when the next advertisement comes, Next

00:10:01

advertisement. "you apply and take your chance, okay."

00:10:03

So, I got in 1967 September,

00:10:06

I got my associate lecturers' job.

00:10:09

I came over here,

00:10:11

that was the best thing that has happened to me.

00:10:13

And then, Professor E. G. Ramachandran

00:10:15

was head of the department,

00:10:16

he was very nice to me.

00:10:18

And then, one Professor Zeurn was there.

00:10:21

So, at that time, Germans were there, in the...all the...

00:10:25

I heard that, I heard that.

00:10:27

So, coordinate, although he is,

00:10:28

Professor Zeurn belongs to welding,

00:10:30

but still, he was in Metallurgy department.

00:10:33

Okay. So, he was coordinating the

00:10:37

Foundry activity. foundry activities, etcetera.

00:10:40

So, that is how I came to IIT.

00:10:44

So, that is how I answer your question about

00:10:45

how I came to IIT. That is wonderful, wonderful.

00:10:47

Yeah, wonderful. Was there anybody else

00:10:49

along with you, in the foundry area, those days?

00:10:52

Professor O. Prabhakar, for example,

00:10:54

he joined after you or much later?

00:10:57

No, he joined in later,

00:11:00

because '70...in the '67, I joined.

00:11:05

Then, '68 there was again,

00:11:08

as I told you, there was another

00:11:10

advertisement for lecturers.

00:11:11

Okay, this wass in 6 months.

00:11:13

I became a lecturer in '68.

00:11:14

Professor Prabhakar, he joined immediately, later. Okay.

00:11:17

By one year, one year later. So, the foundry division or

00:11:19

foundry research activity, or teaching

00:11:22

cum research activity started with you, here.

00:11:25

At that time, when I joined in '67,

00:11:27

there was no master's programme in foundry at all.

00:11:30

There was nothing, no,

00:11:32

it was all about the physical,

00:11:33

very strong in physical metallurgy. Very strong.

00:11:35

Professor Vasudevan, Professor Vasudevan... With particularly Vasudevan.

00:11:37

Vasudevan, Professor

00:11:38

E. G. R. himself. Sreenivasa Raghavan.

00:11:40

Professor E. G. R. himself.

00:11:42

They are all physical metallurgists. Correct, correct, correct.

00:11:44

So, but, Professor E. G. Ramachandran, he had a vision

00:11:46

that industrial metallurgy is... Sure, sure, sure.

00:11:49

I was the only person

00:11:50

who had a master’s degree in foundry. Sure, sure.

00:11:53

So, I knew the programme of

00:11:56

how to write the syllabus.

00:11:58

It is not a simple thing,

00:11:59

to write the syllabus for all the...

00:12:01

So, we started Industrial Metallurgy.

00:12:03

Industrial Metallurgy? MTech in Industrial Metallurgy. With the, with the 3 different.

00:12:05

M.Tech. ME in... ME.

00:12:07

In those days, master's, ME in. Okay,

00:12:09

No, still they used to call it as ME here. ME.

00:12:13

No, here, MTech. Sorry it is MTech MTech.

00:12:14

So, you started MTech in... MTech.

00:12:16

Industrial Metallurgy. Industrial metal...metal casting,

00:12:18

metal joining and Metal joining.

00:12:19

and metal forming. So, 3 divisions.

00:12:21

So, I was there for... You are, you are

00:12:24

kind of leading the. Yeah. Yeah.

00:12:25

metal casting... With of course, Professor E. G. Ramachandran

00:12:28

was the Head of the Department also.

00:12:30

That is how master’s degree, MTech programme

00:12:33

in Industrial Metallurgy was started.

00:12:34

But, at the BTech level also, were you

00:12:36

teaching casting, those days?

00:12:38

Of course, there was one course

00:12:40

called Foundry Engineering, in BTech Okay.

00:12:43

and, I used to take,

00:12:44

as soon as I came in '67,

00:12:45

first job that was given to me was

00:12:47

to teach that course.

00:12:48

And also, there was...industrial design also was there.

00:12:51

Okay, okay. So, I used to give the projects and...

00:12:55

But usually, in IISc you see that the

00:12:57

foundry area is under mechanical.

00:13:00

Why did that not happen here,

00:13:01

in IIT Madras, any...you have some ideas?

00:13:04

That I do not know.

00:13:07

Because, material science it can be, see,

00:13:09

So, somehow. It is a Metallurgy for some...

00:13:11

Metallurgy for some reason or other in

00:13:14

BHU or everywhere.

00:13:16

Even, even in Indian Institute of Science,

00:13:19

there is a Metallurgy department.

00:13:21

But, that was more academic oriented. Yeah.

00:13:23

Possibly, Yeah.

00:13:24

They thought that foundry is a

00:13:25

typically an industrial kind of a thing.

00:13:27

So. That could possibly.

00:13:29

Yeah mostly. Whereas,

00:13:30

Yeah, but is. Here it is

00:13:31

mostly, you know, there was a

00:13:33

lot of emphasis on industry

00:13:35

from the beginning, I heard here,

00:13:37

particularly, as you said,

00:13:38

industrial metallurgy as an MTech starting,

00:13:41

that itself would be

00:13:42

something which I...I do not think in IISC,

00:13:45

you can hear something of that nature.

00:13:47

It is all about the vision of the

00:13:49

heads of the department.

00:13:50

Because Professor A. Ramchandran

00:13:52

he was a heat transfer person. Ok.

00:13:54

So, in those days;

00:13:56

in those days to visualize,

00:13:58

so, he was always about industry.

00:13:59

Yes. He was always telling, "okay,

00:14:01

if you have a master’s degree, it's better to

00:14:03

serve the industry, to get... Industry.

00:14:05

to get the experience. Correct.

00:14:07

So, when I came over here,

00:14:08

So, '66 to '67 there was a faculty can register

00:14:12

as a PhD programme. PhD student.

00:14:14

So, I registered with Professor E. G. Ramachandran.

00:14:16

So, Professor A. Ramachandran was the director,

00:14:18

but still he used to help me.

00:14:20

Because, he is a heat transfer person.

00:14:22

My problem was, for the PhD,

00:14:24

thermal properties of mould materials

00:14:26

using the Shell moulding process. Thermal property, Shell moulding.

00:14:31

you will appreciate, even today,

00:14:35

determination of thermal properties is

00:14:37

extremely useful for solidification of

00:14:39

simulation softwares. Definitely, definitely.

00:14:41

So, in those days, he could visualize it.

00:14:43

And, Professor Seshadri,

00:14:45

Professor E. G. Ramachandran was my guide.

00:14:47

Yeah. So, he gave me a

00:14:49

lot of The whole microstructure

00:14:50

evolution depends on the

00:14:51

thermal properties, right. Thermal properties.

00:14:53

How, how fast it is cooling.

00:14:55

Yeah, Professor...Professor E. G. Ramachandran

00:14:57

really helped me with all my

00:14:59

PhD work etcetera. Good, good.

00:15:02

So, that I submitted my thesis in '71,

00:15:07

and then, all the... Were you, were you kind of first

00:15:10

PhD from the department?

00:15:12

Yes. I heard this.

00:15:14

I am the first PhD from the Metallurgy,

00:15:15

Metallurgy department. Wow.

00:15:17

You have so many distinctions.

00:15:19

And then, then what happened was, in '71. Wonderful.

00:15:23

So, there is an opportunity to...all the

00:15:26

faculty will be sent to Germany. Germany, okay.

00:15:29

So, in Germany, Geyser Institute, Aachen,

00:15:33

Aachen. is the premier institute in.

00:15:35

Correct. in Europe.

00:15:37

Before the second World War,

00:15:39

there were only two institutions,

00:15:40

Geyser Institute, Aachen in Germany

00:15:43

and Geyser Institute, Krakow in Poland.

00:15:45

Okay. These are the,

00:15:46

the best foundry research institutes.

00:15:49

So, It is easy from... You went there.

00:15:51

because it is a German collaboration,

00:15:53

So, I got an...it was called DAAD. DAAD.

00:15:57

So, German academic exchange service. DAAD correct, correct.

00:15:59

So, I got a this one, so.

00:16:01

How long was that about year or? 2 years.

00:16:03

2 years. It is, it is a 2 year...

00:16:04

Were you married by then, Professor?

00:16:06

I will tell you about that one also.

00:16:08

What happened was, '71 I went there.

00:16:11

Because, I submitted the thesis and left immediately.

00:16:13

So, my viva voce was not there.

00:16:16

So, you had to come back.

00:16:18

What happened was, in '72 my reports came,

00:16:22

I have to take the viva

00:16:25

and the same... No skype those days.

00:16:27

No, no skype, not only that one...

00:16:31

There was an advertisement for an

00:16:33

assistant professors' post.

00:16:35

Okay. You cannot apply for assistance professor post

00:16:38

unless you have a PhD.

00:16:39

Submission of a thesis

00:16:41

is not equivalent of a PhD. So, you have to Is not equivalent.

00:16:43

complete your viva, okay. I have to complete my viva.

00:16:46

Then only I will be considered. You can apply for a PhD.

00:16:48

I can be considered, it can be absentia.

00:16:50

You do not have to be. You can be absentia. Yeah, it can be in absentia.

00:16:53

So, what I did was, I flew.

00:16:57

from Germany. Yeah.

00:16:59

Just to take the viva voce

00:17:01

examination. Just for a week. Just for a week or so.

00:17:03

At that time I met my wife. Good.

00:17:07

So, we had our engagement at that time. Wonderful. Wonderful.

00:17:10

Then, '72. It was '72

00:17:12

Then, I went back again. Went back again.

00:17:15

There was a, there was a...

00:17:18

the interview for the assistant professors',

00:17:20

I was promoted to be

00:17:21

assistant professor. So, no, not even a telephonic interview?

00:17:24

No. It was just in absentia?

00:17:25

they just looked at your CV.

00:17:27

Yeah. And then, based on the CV.

00:17:29

Yeah, because I was already there

00:17:30

so there is, so, I became an assistant professor. So. Okay.

00:17:33

I became an associate professor in a similar fashion.

00:17:36

Yeah. At IIT Kharagpur.

00:17:37

Ok. So, in absentia, I was in Japan

00:17:40

doing something there.

00:17:41

Ok, nice to hear, Professor.

00:17:43

And then, then '73, I came back. '73

00:17:47

you came back. We got married in

00:17:49

in '73. '73.

00:17:50

And the next day, was my convocation.

00:17:53

My marriage was there on 9th,

00:17:55

10th was the convocation here. Okay.

00:17:58

So, we flew.

00:18:00

So, you both flew, okay.

00:18:01

And then. Then, I got the... Okay.

00:18:04

At that time, Professor Pandalai was the

00:18:05

Ok, so you got your PhD degree.

00:18:08

Director and then, Wonderful.

00:18:10

She was also there. Wonderful.

00:18:11

So, '73 I got my PhD. Then, I was busy because

00:18:16

I learnt quite a lot.

00:18:17

My experience in Aachen. In Aachen.

00:18:20

Very good. Was so...sand, there...

00:18:22

there I worked with the sand. Sand?

00:18:24

So, Professor Zeurn helped me.

00:18:25

Professor E. G. Ramachandran and Professor Zeurn, they helped

00:18:28

to set up a laboratory, so. Okay.

00:18:30

My laboratories in sand testing were the best

00:18:33

People always talk about you. Yeah so

00:18:35

in those days. When somebody talks about

00:18:36

Professor Roshan, it is sand.

00:18:38

Sand, so I was a consultant, so. You were seem to be a

00:18:41

stalwart in sand. Yeah.

00:18:42

Sand, because I learnt quite a lot

00:18:44

about sand. Yeah.

00:18:44

So, I was knowing

00:18:46

very much about sand. Sand is a...

00:18:49

sand also is a basic raw material for making the castings. Okay.

00:18:53

So, sand has to be extremely

00:18:56

pure in order to make those things.

00:18:59

So, I started my PhD students.

00:19:02

Okat, that is my start of PhD students, because

00:19:05

Okay. you cannot guide a student unless

00:19:07

you have a PhD. You have a PhD.

00:19:08

So, '73 obviously, I have PhD. Okay.

00:19:10

Then I had some...later on about 20 people

00:19:12

got their PhDs and did their... Did they Professor O.P. also

00:19:15

do PHD with you? No.

00:19:17

No, no, both of us did with

00:19:18

Professor E. G. Ramachandran, okay. Professor E. G. R. Okay, good.

00:19:21

So, then the '73, '73 to

00:19:25

'77, I was very busy working.

00:19:29

My wife looked after my house.

00:19:31

So, I was with my students.

00:19:33

So, my students were extremely good.

00:19:36

Day and night we were working etcetera.

00:19:38

So, quite a number of papers were

00:19:40

getting published and the students got them.

00:19:43

'77, there were again

00:19:46

interviews for the professors', professors' post.

00:19:49

Professors' post. Must be very young by that time, 35?

00:19:52

34, I was the youngest. 34, youngest professor.

00:19:55

I was the youngest.

00:19:56

Yes. One of the youngest professors.

00:19:59

Wonderful wonderful. Maybe the youngest professor.

00:20:00

Now, it is tough.

00:20:01

34 is not easy to become a professor here,

00:20:04

usually it happens between 40 and 45, or so.

00:20:09

I was 39 when I became a professor,

00:20:11

that itself was considered, in Kharagpur, very early.

00:20:14

Yeah. Good to hear that. So, 34.

00:20:16

And then, what happened was I applied for

00:20:18

the Alexander von Humboldt Fellowship.

00:20:20

Wonderful. So, I got a junior.

00:20:22

very, very prestigious fellowship.

00:20:24

fellowship I got and I had to go.

00:20:26

And then, my interviews are there.

00:20:31

So, I got my letter of professorship

00:20:36

In June. That you are selected for the ?

00:20:38

And next week I left for Germany.

00:20:40

And because of, I was, I am a professor,

00:20:42

so, they gave me senior fellowship; they upgraded.

00:20:44

Upgraded. My fellowship from

00:20:46

this one... Junior to senior.

00:20:48

Senior fellow, alexander.

00:20:49

Where were you, you are again in Aachen? University of Karlsruhe, here.

00:20:51

Karlsruhe, yeah. No I went to University of

00:20:53

Karlsruhe. Karlsruhe with Professor Makarav.

00:20:55

So, '77 to '78, I was there.

00:20:58

One and half years, although, 2 years, I came back.

00:21:00

So, '78 we came back.

00:21:03

As soon as I came back, Professor Narayanmurthi

00:21:05

was the director. Headship is waiting for you, I heard.

00:21:09

So, he called me one day, "you want to

00:21:11

take the headship?" "Of course."

00:21:14

Then, Professor Srinivas Raghavan was the

00:21:16

Head of the Department. Previous Head of the Department?

00:21:18

So, I became in '78.

00:21:21

And, '78 to '82, it was a pleasure.

00:21:24

It was a pleasure. Wonderful.

00:21:26

Not that is it was a...

00:21:27

wonderful experience for me

00:21:29

Correct. to lead the department.

00:21:31

and Head of the Departments'

00:21:33

job is very interesting.

00:21:34

You have got...you can do quite a lot of

00:21:36

Correct, correct. contribution.

00:21:38

So, that is the period. Can you can you just

00:21:40

recall a few major contributions that came

00:21:44

from you as the Head of the Department,

00:21:45

in the department?

00:21:47

We organized several seminars.

00:21:49

One of the seminars was an international seminar

00:21:52

Very good. with Professor Krishna Shastri on solidification

00:21:54

heat transfer, so.

00:21:55

Very good. We invited from all over the world.

00:21:59

Good.

00:22:00

There was a

00:22:01

metal processing seminar,

00:22:03

that is one of the contributions.

00:22:06

And I also, I feel very glad, one of my contribution is

00:22:09

Metallurgy seminar hall.

00:22:10

I just heard of that. Metallurgy seminar hall was

00:22:14

I believe, was my...

00:22:16

I did, I took a good decision to convert.

00:22:18

Yeah. Because, the ground floor

00:22:21

we had to, there was no seminar hall, we used to

00:22:24

True, true, true. organize any meetings

00:22:27

etcetera. Any meeting, any lectures for

00:22:29

visitors. So, Head of the Department,

00:22:30

Major contribution, very important

00:22:32

contribution. Head of the Department has the resources.

00:22:35

And then, he had the power, so True.

00:22:38

one lecture hall was converted.

00:22:39

It is a good decision, I believe.

00:22:41

So, that Yeah, we are all really enjoying that.

00:22:44

Yeah. Of course, you may be possibly aware

00:22:46

that, soon in about four, five months from now,

00:22:49

most probably March - April,

00:22:51

we will be moving

00:22:53

from the Mechanical Sciences block

00:22:54

to a new academic complex,

00:22:56

where we have been provided with

00:22:58

two floors. It is a five storey building,

00:23:01

where two floors are dedicated to Metallurgy.

00:23:04

So, all the, most of the facilities

00:23:06

from MSB, we will be moving there

00:23:08

including all the faculty members.

00:23:09

We have about thirty faculty rooms there,

00:23:11

four visiting faculty rooms,

00:23:14

things like that and

00:23:16

seminar hall, we may have to part with.

00:23:18

So, just...s,o next year if you

00:23:20

come, you would come to another seminar hall,

00:23:23

not to MSB 104 anymore.

00:23:25

That would belong to Applied Mechanics now.

00:23:27

So, Applied Mechanics do not have

00:23:29

enough space and they are also

00:23:31

growing in a big way.

00:23:33

So, the institute decided that MSB, that

00:23:35

part they will give it to Applied Mechanics

00:23:37

and then, we move to a new building.

00:23:40

Another contribution is,

00:23:41

ability to attract good faculty

00:23:43

to the department - Professor Padmanabhan.

00:23:45

He joined during your time? Yeah.

00:23:47

When I was the... Wonderful.

00:23:49

Who are the other faculty during your time?

00:23:51

Who joined as faculty?

00:23:52

S. K. Seshadri

00:23:53

Okay. Another Stalwart.

00:23:54

Yeah, yeah. Corrosion.

00:23:55

Yeah, yeah. Everybody knows.

00:23:57

Yeah he was, he was there.

00:24:00

Very good. So,

00:24:01

so, we had... it was a good this one -

00:24:04

attracting the good faculty and

00:24:06

then provide and also,

00:24:08

the building...the

00:24:10

infrastructure inside the True, true.

00:24:12

Department. You used to also work with a lot of

00:24:14

foundry industries here?

00:24:17

Another contribution, I believe is,

00:24:20

we had a system of external registration from industry.

00:24:23

Okay. So, I had

00:24:27

one Dr. Seshadri, M. S. Seshadri

00:24:29

From India Pistons. India pistons.

00:24:31

So, he is the chief metallurgist, so, Correct, correct.

00:24:33

he did his PhD with me.

00:24:35

And then, when I was

00:24:39

doing my master's, my engineering...

00:24:43

How I went to Indian Institute of Science is,

00:24:45

my metallurgy...the the person who taught me

00:24:47

metallurgy, Professor Rangaswami,

00:24:49

he did his master's in

00:24:50

Indian Institute of Science. Indian Institute of Science.

00:24:52

He only told us. Correct.

00:24:53

It is very difficult to get into this.

00:24:55

So, our interest was...that is how

00:24:57

I went to Indian Institute of Science. True, true, true.

00:24:59

And, Professor Rangaswami. That was my dream, when I was

00:25:00

doing my undergrad also.

00:25:02

And, Professor Rangaswami, he was a;

00:25:04

he was a professor, but he

00:25:06

wanted to become a head of the...the PhD.

00:25:09

So, he did his PhD with me.

00:25:11

My teacher, Okay.

00:25:12

became my student. Your

00:25:13

teacher became your student, very strange. So,

00:25:15

that was... Yeah, very unique

00:25:17

opportunity you had.

00:25:18

That was very nice. And later on, That is great, that is great.

00:25:20

another two of my classmates from

00:25:24

Your BTech Engineering. University College of Engineering,

00:25:26

they also got their PhD with me. With you.

00:25:28

And then, from Ennore Foundries.

00:25:31

Ennore Foundries. Now, I think, it is called Hinduja Foundry.

00:25:33

Correct. Ennore Foundries, so

00:25:36

there... one of my student, is now working there. Yeah.

00:25:38

Two people, Dr. Venkoba Rao,

00:25:39

so, he did his PhD with me.

00:25:41

Very good, very good .And, Dr. Janagan,

00:25:43

so, he did his PhD. Totally about 20 people

00:25:45

did their PhD with me. Wonderful, wonderful.

00:25:49

So, that was a good industrial

00:25:51

That's true, that's true. relationship.

00:25:53

Yeah. I heard, So.

00:25:55

for quite some time, people used to say

00:25:57

that you brought a very good industrial

00:25:59

phase to the department.

00:26:01

Yeah. Particularly in the foundry area.

00:26:03

Yeah. That is amazing.

00:26:04

Another major contribution is...

00:26:07

it is very difficult to deal with magnesium.

00:26:10

So. So, my student from...we had a

00:26:13

very good relationship with the DRDL,

00:26:16

Defence Research and Development. Correct.

00:26:18

So, one of my student, Dr. Sundarajan,

00:26:22

who was the who did his master's here.

00:26:26

He did his project work with me.

00:26:28

He became a scientist in DRDL. DRDL.

00:26:31

So, he wanted to do his PhD, PhD.

00:26:34

on a magnesium alloys. Very good.

00:26:37

At that time, Dr. Abdul Kalam

00:26:39

was the director of Okay.

00:26:41

DRDL. DRDL.

00:26:43

Later on, of course, a Air Vice

00:26:44

Marshal. Narayanan, also Ok

00:26:46

was there. They were all interested in

00:26:48

magnesium, because Wonderful, wonderful.

00:26:49

it is very difficult to import

00:26:50

Very good. magnesium

00:26:51

alloys. Plus, Very good. True.

00:26:53

at that time, they were developing Prithvi.

00:26:55

Prithvi, they wanted

00:26:57

Prithvi. a lighter one.

00:26:58

It is a magnesium...

00:26:59

Correct. case is a magnesium casting.

00:27:01

So, I was a consultant to DRDL.

00:27:04

So, they took me to...

00:27:05

Incidentally, Sunderajan, later

00:27:08

became director of NIT Trichy. I know, I know.

00:27:11

I am in touch, I am in touch.

00:27:12

Now, recently actually, Dr. C. G. K. Nayar,

00:27:15

who was also a student from here,

00:27:17

who was the chairman of HAL, he is talking of

00:27:20

starting a big, you know,

00:27:22

initiative on magnesium,

00:27:24

because magnesium, somehow,

00:27:25

slowly died down in India.

00:27:27

So, the particularly, not just the

00:27:29

casting of magnesium,

00:27:30

but the extractive metallurgy of magnesium,

00:27:33

and then taking it in a big way because,

00:27:35

both aerospace and also automotive industry are

00:27:38

thinking in a big way

00:27:39

to bring magnesium into their, you know, components.

00:27:43

So, so, I think, your initial contributions

00:27:46

are going to be useful now. Yeah.

00:27:47

So, I was very happy.

00:27:48

Good, good . One day,

00:27:50

I stayed in Hyderabad

00:27:53

for 10 days. At DRDL,

00:27:55

in the in their campus until Very good.

00:27:57

the casting is poured and

00:27:59

everything, so. Very good, very good.

00:28:00

That, I believe is

00:28:02

my, I was very happy to be associated Wonderful, wonderful.

00:28:04

with that project for the Prithvi.

00:28:07

So, that was the... Okay,

00:28:09

but at some stage you moved to US, I heard?

00:28:12

Yeah. Okay.

00:28:13

So, when was this, Professor?

00:28:16

What happened was,

00:28:17

I knew for the industry to be, this one,

00:28:21

ISO 9000 is very important.

00:28:25

So, I had

00:28:27

an Industrial Consultants Centre.

00:28:30

So, at that time, Professor Raju was the

00:28:32

Dean of the Okay.

00:28:34

Industrial Consultancy also.

00:28:36

So, to get a auditor certification,

00:28:42

So, you have to

00:28:43

pay about 20000 rupees in those days, okay. Okay.

00:28:47

So, I requested whether I can use my

00:28:49

industrial consultancy money...my own this...

00:28:53

So, he said, "you can go to Delhi."

00:28:56

So, I went there, to Delhi

00:28:57

to get certified

00:28:59

Certified. as an ISO 9000 auditor.

00:29:01

Auditor. Okay, I am, I am a lead auditor.

00:29:03

So, you are a lead auditor. Lead auditor course.

00:29:05

So, that is this one.

00:29:06

Okay. Plus, I also had,

00:29:08

at that time, solidification simulation,

00:29:10

I had my small packages etcetera.

00:29:12

So, I used to go to US

00:29:14

to present my papers etcetera. Yeah, in conferences.

00:29:17

So, one of my friends,

00:29:18

when he came over here,

00:29:20

just gave me a resume,

00:29:21

just to see whether there is an opportunity.

00:29:22

Before that, actually, I

00:29:24

applied to one University in Canada.

00:29:27

Okay. I had an offer, okay, to go,

00:29:30

but, meanwhile, Maynard Steel Casting Company,

00:29:32

they were looking for a person

00:29:34

Okay. Who is familiar with solidification

00:29:36

simulation software. Simulation

00:29:38

Plus, they have also wanted

00:29:39

an ISO 9000 auditor skills.

00:29:41

I had both of them. Okay.

00:29:43

So, just I, so I took 2 years of sabbatical,

00:29:47

Okay. in those days. So, I took the sabbatical

00:29:49

and... Which year was that?

00:29:50

1993. So, '93, okay.

00:29:53

1993, we went there

00:29:55

and then, So, 26 years after you joined here.

00:29:58

Yeah. Okay.

00:29:59

And then, after I went there,

00:30:01

so, my children were there...

00:30:03

so, they wanted to stay over there. Stay, yeah.

00:30:05

So, then. So, I retired So.

00:30:07

so, in 1995. Okay.

00:30:09

I retired. And then, so, After 2 years of sabbatical.

00:30:12

stay...stay put over there in the...

00:30:14

I was a director of quality.

00:30:16

Now, I have been the chief metallurgist

00:30:18

for the last 5 years. Yeah.

00:30:20

My wife also works with me.

00:30:22

Okay. So, and so, she develops

00:30:23

all the documentation for

00:30:25

So now, it is about 25 years ISO 9000.

00:30:26

Yeah, yeah . you have been there?

00:30:28

So, what was the major difference

00:30:30

that you found when compared to the industry

00:30:32

here and the industry there? Yeah,

00:30:34

what I notice is,

00:30:36

the industries remain the same, but

00:30:39

from the academic if you want to see,

00:30:43

especially in steel...

00:30:46

Here, metal casting and metal joining. Steel

00:30:50

metal joining is a part of casting.

00:30:52

Yes. There is nothing like metal joining

00:30:54

separate and metal casting.

00:30:57

So, and heat treatment. Heat treatment.

00:31:01

So, as a chief metallurgist, my job is...

00:31:04

one third is to specifications.

00:31:07

Specification, specification, specifications, that is it.

00:31:10

The second one is, metal joining.

00:31:12

Metal joining. Even, how to get a

00:31:14

qualified procedure.

00:31:16

That itself is a... Correct.

00:31:17

we do not teach in academic. Today, True, true.

00:31:20

if I were to be a professor,

00:31:22

I believe, it will be slightly...I will design a

00:31:25

programme in such a way,

00:31:27

ideally suited for the industry.

00:31:30

So, metal casting programme. Metal casting.

00:31:32

So, incorporate metal joining

00:31:35

Metal joining. and teach specifications.

00:31:37

Specifications, ASTM specifications. Sure.

00:31:39

They didn't specifications...it is all about specifications.

00:31:42

And then, heat treatment.

00:31:45

Heat treatment here is a as a separate, as a

00:31:48

Metal casting. Heat treatment is a separate,

00:31:50

it is all about heat treatments. Steel is nothing but

00:31:53

Obviously, obviously. heat treatment.

00:31:54

So, that is the. And of course, now

00:31:58

now with the industry in

00:32:01

US, the only thing is,

00:32:04

we have to make money, thats it. Yeah.

00:32:06

They do not care

00:32:08

who you are, what, as long as you generate

00:32:10

wealth. Correct, correct.

00:32:11

You generate wealth only if you can

00:32:13

help the company to make money. Make money.

00:32:15

So, you should have the skills of Of

00:32:17

how to help the company... Making quality product.

00:32:19

good quality products. And then, less defects.

00:32:22

Less defects. More productivity, yeah,

00:32:24

and more like that.

00:32:25

You raised this...

00:32:26

that is one of the things -

00:32:28

productivity is the key.

00:32:29

Key, productivity and... Obviously.

00:32:32

You may not know, many people, many industries,

00:32:36

do not even have the metrics of

00:32:37

how to define the productivity, okay.

00:32:39

Many people just - man hours per tonne.

00:32:42

So, that itself, there is a

00:32:44

quite a lot of scope. You may not believe,

00:32:46

that on average,

00:32:50

US industry or any industry lose

00:32:53

about 5 to 10 percent of their revenue

00:32:55

in quality cost. Quality cost, yeah.

00:32:58

It is a enormous amount.

00:32:59

In a 30 billion dollar industry, it is about Correct.

00:33:01

three billion per year. Three billion per year.

00:33:03

that is amazing. So, I made a

00:33:06

presentations and publications etcetera,

00:33:10

how to improve the productivity?

00:33:12

So, I am also, I used to teach

00:33:14

Six Sigma... You are also associated with

00:33:16

some academic institutions there in US?

00:33:19

I am an adjunct professor in

00:33:20

University of Wisconsin, Milwaukee. Okay.

00:33:23

Okay, I work one day in a week. I work

00:33:25

4 days in this one, 4 days in the industry.

00:33:27

So. And, 1 day in...

00:33:28

So, so what happened was,

00:33:30

the MagmaSoft, I have been using

00:33:32

for the last 25 years.

00:33:34

So, the president of MagmaSoft said,

00:33:36

"I will give 5 licences, each."

00:33:38

Licence cost 80000 dollars.

00:33:41

So, he gave 5 licences to UWM,

00:33:42

and said, "Roshan, teach us

00:33:44

the solidification." Okay.

00:33:46

So, that is how I went there.

00:33:48

So, I teach solidification simulation

00:33:50

for the graduate students

00:33:52

and undergraduate students and also,

00:33:55

the software, I maintain. Simulation software.

00:33:57

and then, I also assist the students for...

00:34:03

advisor for PhD students.

00:34:05

So, I have a student working on

00:34:06

fracture toughness of low alloy steels

00:34:10

using in mining industry.

00:34:12

Wonderful. There is another project also,

00:34:14

I help is, surface alloying.

00:34:16

Laser surface alloying,

00:34:17

particularly? No, it is not a laser surface.

00:34:20

See, the valve bodies

00:34:23

are generally WCV castings, plain carbon steel.

00:34:27

But, when a water flows,

00:34:29

corrosion is a major issue.

00:34:32

Stainless steel is very expensive. Very expensive.

00:34:34

So, is it possible to surface alloy?

00:34:36

Surface alloy. So, we are

00:34:39

working with...almost we are successful,

00:34:41

using casting process. Oh, okay.

00:34:43

In the sense, we take a course

00:34:46

and then apply,

00:34:48

taking a regular wash

00:34:51

and put nickel powder, chromium powder

00:34:54

and those things etcetera, Alloys.

00:34:55

and then cast it.

00:34:57

Cast. So, it will absorb only on the surface.

00:35:00

It is only on the surface, very good.

00:35:02

So hydro, how to change the

00:35:03

hydrophobicity of this one?

00:35:06

Very good. So Botany, so I asked,

00:35:08

because, how to create a hydrophobic surface. Surface.

00:35:12

So, I asked my wife one day this one etcetera.

00:35:15

So, you know the leaves? Yeah, yeah

00:35:17

Lotus leaves etcetera? Now, it is a big,

00:35:19

Nanotechnology that is a big thing. Yeah.

00:35:21

People talk of self cleaning.

00:35:22

For example, on these glasses

00:35:24

people do what is called, we work

00:35:26

to some extent, Nano Titania coatings

00:35:28

for bringing super hydrophobicity

00:35:31

on surfaces. This is the another new area.

00:35:34

Yeah. Good.

00:35:35

So, another contribution which I

00:35:37

made to US foundry industry is,

00:35:41

when I went there,

00:35:42

my daughter is a

00:35:43

Lotus nNotes specialist.

00:35:45

So, before going itself,

00:35:47

I was working on expert systems over here.

00:35:49

Okay. I had my students working on expert systems.

00:35:52

So, then I went to American foundry society,

00:35:55

I used my expert system using Lotus Notes.

00:35:59

And then, they were very much impressed.

00:36:02

So, in 2001, they gave me

00:36:04

award of scientific merit

00:36:06

based upon my work on

00:36:09

Very good. expert systems. This one.

00:36:10

Expert systems. And, later on,

00:36:13

I was working, my son...

00:36:15

so, he is an IT.

00:36:17

So, he developed a

00:36:18

learning management system

00:36:20

for American Foundry Society.

00:36:21

Online courses, I started

00:36:23

using his... Ok. very good very good.

00:36:25

So, then, they were impressed.

00:36:27

So, they gave me

00:36:30

the go AFS gold medal, the highest

00:36:32

award of AFS, in 2006. Foundry Society.

00:36:35

Very good. As a gold medal...

00:36:37

And also, CMI Director’s award,

00:36:39

in the same year.

00:36:40

So, two awards I got from...so.

00:36:42

So, you also contributed a lot to

00:36:44

teaching through online courses.

00:36:46

Online courses. So. Very good.

00:36:47

They are very popular I heard. They are, so.

00:36:49

Good. Those are the my contributions to the

00:36:52

US foundry industry.

00:36:54

But, I believe, my

00:36:57

major contribution to the...

00:36:59

my profession, is my invention of my steel foam. Yeah.

00:37:03

So, I got. You were talking about

00:37:05

it in the morning? Yeah, I got my patent in April, 2017.

00:37:10

Last year, last year . Yeah.

00:37:12

and it has got enormous amount of applications in

00:37:16

both in the defence, the naval, army

00:37:20

True. and structures.

00:37:21

Having worked in aluminium foams, I know.

00:37:23

Everybody was waiting,

00:37:25

someone to make a steel foam. Yeah.

00:37:26

And, that is going to

00:37:27

really remarkably change

00:37:29

Yeah. the whole field. Yeah.

00:37:31

So now, my intent is how to see...

00:37:33

now, that I have got the materials,

00:37:35

now, how to have the components

00:37:38

made use of.

00:37:39

Correct, correct. Because, I

00:37:41

I would like to see this

00:37:42

material is extensively used in

00:37:44

industry for the benefit of... Ok.

00:37:46

it will save the millions of Particularly, defense.

00:37:48

lives. It is a, it's a lifesaving material. Correct, correct.

00:37:52

So, the only thing is, they have to use it.

00:37:54

So, so my students also are working.

00:37:57

On. Armour plates

00:37:59

all those things, you know. Yeah, armour plates to

00:38:01

Correct. using

00:38:02

simulation. We did some work recently,

00:38:04

and using a Nano, you know steel we call it as...

00:38:09

where you refine the microstructure

00:38:11

through heat treatment.

00:38:13

Of course, thermo mechanical processing,

00:38:14

bring a Nano Bainitic kind of structure,

00:38:17

and improve the fracture definite to such an extent,

00:38:19

that it becomes like,

00:38:21

a much better bullet proof material

00:38:23

in terms of shock absorption, energy absorption.

00:38:26

So, so, you are trying to do it with

00:38:28

foam, that is amazing. Yeah.

00:38:30

Very good. So, they there is no limitation to the

00:38:32

steel material. I can make in any material, Correct.

00:38:35

starting from the hardness of

00:38:38

140 BHN up to 500 BHN. Wonderful.

00:38:40

Wonderful. We can have up to even

00:38:42

50 percent of the

00:38:43

lighter weights. It is not only has,

00:38:45

people have been aiming at lightweight steel

00:38:49

Obviously, obviously. for the energy, but it has got

00:38:51

both lightweight but also energy absorption.

00:38:53

True. Not only energy absorption, but also the

00:38:56

sound, sound absorption. Yeah, yeah. And also, automotive industry is also, also...

00:38:58

is amazingly going to use it. Very good. Yeah.

00:39:00

So. And, I heard that you can also make it graded?

00:39:03

It is a gradient.

00:39:05

You can in the industry. Density also. On one side, solid.

00:39:08

Very good. And, in the other side, the foam.

00:39:11

So, we are also now trying to roll it.

00:39:13

Uses a lot of structural stability also. Yeah.

00:39:15

Yeah. That will be very good.

00:39:16

Anything which requires a bending strength,

00:39:18

because this has got a higher stiffness in bending,

00:39:21

so, this is a

00:39:23

very useful material for the

00:39:25

benefit of the... Now, that you have been associated for

00:39:27

almost 5 decades with foundry industry,

00:39:30

how did foundry industry change

00:39:33

in India and in US? How do you,

00:39:35

from your own eyes,

00:39:36

do you see a major change

00:39:38

the way people used to do foundry, for example?

00:39:42

One thing is the development of simulation

00:39:45

software has become,

00:39:46

the so called e-foundry,

00:39:47

now people talk about, right?

00:39:49

Not... Lot of softwares?

00:39:51

Software, but the only thing is, again,

00:39:55

I did my thermal properties in 1970.

00:39:58

Even today, that is one of the limitations.

00:40:02

Okay. All the softwares, there are many software companies.

00:40:04

You need to give inputs

00:40:05

to the softwares. Now, how do you know

00:40:07

the thermal properties? What they have?

00:40:09

Which they have used? So,

00:40:12

there, there is always a scope for improvement. Yeah.

00:40:15

So, there is where now. You need somebody to measure

00:40:17

these thermal properties, so that

00:40:18

you can give them as input parameters.

00:40:19

Input parameters. Correct.

00:40:21

See, even liquidous and solidous temperatures, Yeah

00:40:23

that is an important. New alloys, that you are developing. How do you know that they acquiring? Yeah.

00:40:25

How do you know the density? Correct.

00:40:28

In order to, just measuring the density.

00:40:30

So, that will be a

00:40:31

wonderful research programmes.

00:40:32

True, true, true, true. Evening, I will be telling you about

00:40:34

what all research can be. Energies.

00:40:36

Research can be...

00:40:36

Even surface energies. Even, all, so many things.

00:40:38

Surface energy is another major issue. Yeah.

00:40:40

Yeah So that is... But, one thing is, still, I believe,

00:40:44

industries still have not figured it out - how to

00:40:48

reduce the defects?

00:40:50

Defects, yeah. Because, the process variables..

00:40:53

Are too many. Too many possibilities. So, we have to...

00:40:55

Need to control measurement. Measurement.

00:40:57

So, the other thing is, which

00:40:59

I always, somehow, I work

00:41:02

in the in the UWM, I am a

00:41:06

IBM industrial advisory member.

00:41:09

Very good. So,

00:41:11

there is an academic initiative member.

00:41:14

My daughter is IBM business partner.

00:41:17

So, so introduce me to IBM SBSS Modeller.

00:41:19

Now, all, it depends upon data.

00:41:24

Big data, people talk. Correct.

00:41:26

So, in foundry industry,

00:41:28

one of the weaknesses is,

00:41:30

we are not a data centric industry, still.

00:41:32

True, true, true. To the extent what is needed.

00:41:35

So, what we require is,

00:41:38

how to collect the, how to collect the data.

00:41:40

And then, use the data. Now, people are Use the data.

00:41:42

talking of artificial intelligence, neural networks.

00:41:44

So, that also can play a significant role in foundry also.

00:41:48

Exactly. How

00:41:50

can you predict the

00:41:52

properties of a material? Property correct.

00:41:55

Neural networks. Correct.

00:41:56

And the Sometime back,

00:41:58

decision trees. long back, one of my student worked on

00:42:00

grain size prediction using neural networks,

00:42:03

based on a lot of data that we generate.

00:42:05

So, when you do inoculation

00:42:07

for a given amount of, inoculation for a

00:42:09

known alloy that you are putting in,

00:42:11

what is the grain size? Can we predict it

00:42:13

without doing an experiment?

00:42:15

Yeah. So, that.

00:42:17

So, I am developing a course on

00:42:19

Predictive Analytics in

00:42:21

Manufacturing using IBM SBSS Model.

00:42:24

Actually, on December 23rd,

00:42:26

I am giving a webinar for AFS

00:42:29

Okay. on Predictive Analytics in

00:42:31

Metal Casting Industry.

00:42:32

Fantastic! Wonderful, wonderful. So,

00:42:34

that is, I believe, it's going to be the future.

00:42:37

In US also, this foundry industry has

00:42:40

changed significantly, do you think?

00:42:41

There is a major change?

00:42:42

Yeah, there is a major change

00:42:45

and since, they have got reduced...

00:42:46

If you compare the foundry is...

00:42:49

I will tell you my own...the

00:42:52

US, it is all about caster production

00:42:56

and selling price. Correct.

00:42:58

So, it is all about global economy. So,

00:43:01

if you find that,

00:43:02

somewhere else it is easier to cast

00:43:04

or make the component, make it cheaper, Make it cheaper.

00:43:07

so, you go there. If the same component,

00:43:10

anywhere in the world,

00:43:11

you can get it cheaper and same quality...

00:43:15

Same quality. Same quality, obviously. Same quality.

00:43:17

then they will go.

00:43:18

So, but. For example, in Chennai

00:43:19

you would possibly know that, we have Hyundai

00:43:21

plant, we have, we have Ford.

00:43:25

My ford car is made in Chennai.

00:43:27

So, like that, you have

00:43:28

so many of these industries coming to India

00:43:31

also, for one of these reasons, possibly, caster production. So,

00:43:36

So, in US labour costs are high.

00:43:38

That is okay. I heard that.

00:43:40

So, you cannot compete with...

00:43:42

so, the only thing is, you have to be

00:43:46

on the forefront of the technology. Technology.

00:43:48

So, only the.

00:43:50

Value addition, somehow. Value addition

00:43:52

especially, that is why we say, you

00:43:55

be good in data collection

00:43:56

and reduce the

00:43:58

reduce the quality costs, Reduce the .

00:43:59

then only you can make money, but. True, true.

00:44:02

In our company, we make

00:44:04

large...for the mining machinery,

00:44:09

large cast gears and quality etcetera.

00:44:11

I do not think other people

00:44:13

will be able to have the same amount of a skills.

00:44:18

Whatever said and done,

00:44:19

certain things cannot be learnt

00:44:21

only by books. It is by... True.

00:44:23

True, true, true, true. So, with a 100 year old company,

00:44:25

myself 20 - 25 years

00:44:27

working in steel,

00:44:29

we have so much amount of

00:44:31

personal knowledge about the materials,

00:44:34

so that is very difficult to have... True.

00:44:35

So, you may have money to buy the equipment, True.

00:44:38

but, you do not have the people

00:44:39

who have the skills or the knowledge Skills, yes.

00:44:42

to make the cast. Even,

00:44:44

if you see all the specifications,

00:44:48

specifications are drawn by

00:44:51

mechanical engineers.

00:44:53

Those are the people who

00:44:55

put the specifications.

00:44:56

Our job as the foundry engineer is

00:44:59

to make a component with defect free,

00:45:03

with the properties as the designer has intended.

00:45:08

Now, the question is,

00:45:09

how does the designer

00:45:11

put those specifications? Fracture toughness

00:45:14

was not a specification would bw

00:45:16

Earlier. put on the drawing earlier,

00:45:18

but now it is slowly coming up.

00:45:20

There is a... Now, let us comeback to IIT Madras.

00:45:23

You have been visiting IIT Madras,

00:45:25

at least once in a year, once in 2 years.

00:45:27

Do you see a significant change

00:45:29

from your time to now,

00:45:31

in terms of, let us say...

00:45:34

The only this... what I could see is,

00:45:36

Teaching or research...any,

00:45:38

any one of these fronts,

00:45:39

do you see a significant change?

00:45:42

Like, people like you, who have been

00:45:43

working on nano material,

00:45:45

I do not think, at that time

00:45:46

we had... Yeah, this area was not known.

00:45:48

we had people. So, you have at least

00:45:50

you have, started a new area. True, true. New areas.

00:45:53

For some reason, other than in India,

00:45:55

the foundry courses are not... Yes.

00:46:01

We do not know, same thing in US also.

00:46:04

For example, in Madison,

00:46:06

earlier it was one of the best, but

00:46:07

it is not there.

00:46:08

True, true, true. It depends upon the people.

00:46:11

So, new areas come up, old areas...

00:46:13

it all depends upon demand and... Demand.

00:46:15

Yeah. Whereas, somehow, foundry industry

00:46:17

has not been recruiting many people,

00:46:19

so, slowly, you know, it's

00:46:21

a little come down, that is true.

00:46:23

And more people are now going

00:46:25

more into, as I was telling you, e-foundry.

00:46:28

So now, we have courses where

00:46:29

you demonstrate or you

00:46:31

do through simulation do a

00:46:33

casting experiment rather than doing a

00:46:35

real casting experiment.

00:46:37

So, our classes also,

00:46:39

we introduce that to some extent.

00:46:41

So, that students are also excited to see.

00:46:44

But then, But, eventually...

00:46:46

what industry requires is, still, I believe,

00:46:49

there is enormous amount of a The skilled people?

00:46:51

skill is required. Skill.

00:46:53

How to make a good casting

00:46:55

with good properties? There is always a scope,

00:46:59

and there not many people,

00:47:00

there are not many people who are knowledgeable

00:47:02

Definitely . in steel metal cast, steel metallurgy.

00:47:05

True, true, true. Yeah.

00:47:06

Where are your students? Now, I mean,

00:47:08

do any of them who have become some

00:47:11

stalwarts anywhere like the way you are?

00:47:14

For example, Sundarajan is a good example. Yeah, yeah.

00:47:17

A wonderful example. So, he was the... Correct

00:47:19

And then, Dr. Venkoba Rao was there.

00:47:22

So, and then, Dr. Seshadri

00:47:24

he was and this one etcetera. Seshadri also, possibly,

00:47:26

He is retired now.

00:47:27

He was retired. Yeah, I think.

00:47:29

Dr. Venkoba Rao sir Dr. There is one more

00:47:31

gentlemen in India Pistons by name Gopal,

00:47:33

who keeps on talking about you and all. Yeah, yeah, yeah, yeah.

00:47:35

I know him very well, yeah.

00:47:37

He is also a very senior member Yeah, yeah, yeah.

00:47:38

but, he remembers you so well Yeah, yeah.

00:47:40

There is another Gopal was there, who was in TVS.

00:47:43

TVS, yeah. TVS, yes.

00:47:44

He also got his PhD with me, you know. Correct, correct, correct.

00:47:47

Even there is one

00:47:48

gentleman by name Mahadevan,

00:47:49

who also talks a lot about you. Yeah, yeah, Mahadevan also.

00:47:51

So, we gave them...because, when I was here,

00:47:53

we developed a squeeze casting...

00:47:55

this one, so they took the... Correct, correct, correct.

00:47:59

So, do you also remember your campus life here?

00:48:02

How was it? I was telling my wife...

00:48:06

We thoroughly enjoyed our campus life.

00:48:09

OATs on Saturdays we used to go. OAT Saturday movies, yeah.

00:48:12

It was very nice, yeah . Nobody can forget.

00:48:13

It was a very nice this... Wonderful, wonderful.

00:48:16

And, your children grew here or?

00:48:18

Mostly. I have 2, I have 2 children. My

00:48:20

daughter completed her...in Vanavani.

00:48:23

Vanavani. And,

00:48:24

also, I was the Chairman of the

00:48:27

Vanavani School School.

00:48:28

between '82 and '84,

00:48:30

after I became my.

00:48:31

After Headship. Head of the Department.

00:48:33

'82 to '84. '84.

00:48:34

I was the Chairman of the Vanavani School.

00:48:36

That is a wonderful experience. Good.

00:48:38

Yeah. That is an excellent school.

00:48:40

Good, good, good. Any message that you have

00:48:44

to the younger people? About foundry

00:48:46

or in general about academics?

00:48:48

Yeah, the only thing which I tell all my

00:48:51

students is, corporations

00:48:54

do not hire you for what you know,

00:48:58

we hire you for what we need.

00:49:02

Yes, definitely. So, your degree is only a necessary condition

00:49:06

for employment, but not a sufficient condition. Sufficient condition.

00:49:09

So, what you need to know is,

00:49:11

you need to figure it out

00:49:13

what we require in foundry.

00:49:15

In foundry. What do you...We require

00:49:17

just the metallurgical background, Correct.

00:49:20

good metallurgical background.

00:49:21

And, the next one is, you require the

00:49:26

heat treatment background

00:49:29

and then, you require

00:49:31

the industrial engineering background.

00:49:33

Correct. And then, even cast accounting.

00:49:37

Cast accounting is extremely important.

00:49:40

So, all the skills you need to have.

00:49:43

Somehow, you have to develop these.

00:49:45

Yeah. They may not be taught in the actual classroom,

00:49:47

Yeah. so, but, one has to develop

00:49:49

to really become successful.

00:49:50

In order to...so those are the skills...

00:49:52

So, it just not the. And then, Yeah.

00:49:54

why mechanical engineering better Metallurgy?

00:49:57

Mechanical engineers generally they will

00:50:00

know little more about

00:50:02

how to read the drawings, okay.

00:50:04

The drawings. Yes, that is true.

00:50:05

Although, now they all the CAD packages have

00:50:06

come. But still, Yeah.

00:50:07

in foundry, you should be able to read the drawing. Correct, correct.

00:50:10

So, those skills.

00:50:11

So, foundry is actually a blend of

00:50:14

both mechanical and metallurgical engineering.

00:50:16

So, it is not only either metallurgical . Yeah, yeah. Definitely, definitely.

00:50:18

or mechanical. Definitely, definitely.

00:50:20

Heat treatment is a part of this. Very good, very good.

00:50:23

You will be surprised, to get one

00:50:26

welding... it'ss extremely important,

00:50:28

but you cannot underestimate... Yeah, definitely, definitely.

00:50:30

To get one procedure qualified,

00:50:32

it may cost about 3000 to 5000 dollars.

00:50:35

Just procedure qualification.

00:50:37

Wonderful. And, I cannot touch my casting with a weld rod

00:50:40

unless, I have got a qualified procedure

00:50:42

Procedure for the welding. Correct. for the welding.

00:50:45

Thank you Professor,

00:50:46

it was wonderful meeting you.

00:50:47

And very nice that you have been able to share

00:50:51

your experience in, not only in IIT Madras, but also

00:50:54

your 25 years of experience, overseas.

00:50:58

And, this is amazing to talk to you,

00:51:00

a stalwart like you.

00:51:01

Thank you, Professor.

00:51:02

You are welcome.

00:51:03

I wish to thank you, Professor Murty.

00:51:05

No, we should thank you. I wish to thank Mamata,

00:51:06

and Mr.Kumaran, The whole Heritage group.

00:51:08

Mr. Rajaraman for giving me this opportunity

00:51:11

to be with you today,

00:51:12

thank you very much. Thank you sir.

Oral History Project

< Back

Prof. V.S. Raju in conversation with Prof. V.G. Idichandy (Video Conference)

00:00:14

I was born in rural Andhra Pradesh in a very small village

00:00:20

and where we had only a primary school

00:00:26

and went to high school in the neighbouring village.

00:00:30

And those days you know

00:00:35

even to have a pair of chappals are the luxury.

00:00:38

Correct.

00:00:39

So, I tell my grandchildren that

00:00:41

I got my first chappals at the age of 8

00:00:45

and probably that was the most happiest

00:00:48

time, one of the most happy times of my life.

00:00:51

I used to a very proud with walking with those chappals.

00:00:56

Then, I did intermediate in the neighbouring town,

00:01:02

about 5 kilometers or so from our village.

00:01:07

So, first year intermediate I used to cycle there and

00:01:10

second year stayed in a rented room.

00:01:15

And after intermediate,

00:01:18

I was not qualified immediately to join engineering

00:01:23

because of the minimum age criteria they had.

00:01:27

In those days, you should have a minimum age to join

00:01:31

and then I was I think when I finished my

00:01:33

intermediate, I was only a 14, so very young.

00:01:38

So, then fortunately, what happen is that

00:01:47

Andhra University College of Engineering,

00:01:50

that we are only the relaxed age.

00:01:54

So, it was informed to me by one of my seniors

00:02:00

that there is an age relaxation and

00:02:02

I immediately applied and got admission

00:02:04

into College of Engineering Andhra University.

00:02:08

This is in Vizag?

00:02:10

College of Engineering Andhra University.

00:02:14

This is in Vizag or where is it?

00:02:16

It is in Vizag, it is in Vizag, it is in Vizag. Alright,

00:02:19

Ok, sir.

00:02:21

Then, my father who was a farmer,

00:02:27

who got educated only up to class 5,

00:02:31

his dream was that his son should pass high school.

00:02:37

So, that was his dream he could not think higher than that.

00:02:41

So, he put in lot of effort

00:02:44

in motivating me to study well in school.

00:02:48

For example, he used to wake me up at 4 in the morning

00:02:52

and with a kerosene lamp

00:02:54

you know it's all dark around and you are afraid,

00:02:57

so he used to sit next to me

00:02:59

and so that I can study without fear.

00:03:03

Ok.

00:03:04

So, that training

00:03:05

helped me to focus on studies and then it became very easy.

00:03:11

So, I was privileged to top my school in high,

00:03:16

for high school and then

00:03:21

then go for intermediate and then get admission to

00:03:25

College of Engineering Andhra University.

00:03:28

And then after his bachelor, my father being a farmer,

00:03:34

for them a irrigation supervisor, our overseer, is a big man.

00:03:40

Ok.

00:03:42

So, he was very keen that I should join the Irrigation Department.

00:03:47

Government. The government.

00:03:49

And I got an offer also

00:03:52

to join the Irrigation Department.

00:03:55

But I met one Colonel, Military Engineering Services,

00:04:03

who is introduced, who was introduced to me through somebody,

00:04:11

then when he saw my academic record

00:04:14

he said joining MBA or

00:04:18

government department is not for you.

00:04:21

Your academic background is very good, so you should go for a master's.

00:04:25

So, my father was not in agreement with that

00:04:28

because he and he also said he cannot support me,

00:04:31

with Master’s degree that would be difficult.

00:04:35

But then I said there are some scholarships available.

00:04:38

Ok.

00:04:40

So, anyway finally, I convinced him and

00:04:42

went to Indian Institute of Science, Bangalore

00:04:45

Yeah.

00:04:46

for my master's.

00:04:48

Then you know that time there were 3 different programmes

00:04:54

in structural engineering, in hydraulics and in

00:04:59

geotechnical or not, those days we used to call it soil mechanics.

00:05:04

The soil mechanics programme was to 9 months plus

00:05:10

6 months of practical training.

00:05:12

Ok.

00:05:13

Whereas, the other programs were 1 and a half

00:05:15

years plus 6 months of practical training.

00:05:17

So, because this is a shorter program,

00:05:19

Ok. So I chose soil mechanics.

00:05:22

Ok. And then,

00:05:25

but unfortunately the criterion they adopted

00:05:30

for scholarships was also the mean.

00:05:33

So, in the interview when one of the faculty

00:05:38

member asked me what did your father does,

00:05:41

If I told him in agriculture and then we own 10 acres of land I told him.

00:05:47

So, then he said 10 acres is a lot of land.

00:05:50

So, that means, you are a rich farmer.

00:05:52

Your father is a rich farmer.

00:05:54

Ok.

00:05:55

So, that he did'nt give me the scholarship,

00:05:58

so that was very hard.

00:05:59

Then afterwards I met the head of the department and explained to him.

00:06:04

Then he was very kind and then he found some

00:06:07

40 rupees per month scholarship

00:06:10

instead of 150 rupees that was a.

00:06:12

Ok. Anyway somehow I managed

00:06:15

and a friend of mine

00:06:19

who was on leave from Banaras Hindu University

00:06:23

to study the master's attaining a degrees of science,

00:06:29

he told me that there is a faculty position vacant,

00:06:32

lecturer’s position vacant in Banaras Collage.

00:06:36

So, I applied and then got an interview

00:06:39

and then afterwards got selected as lecturer.

00:06:43

Ok.

00:06:44

So, that is how I started my teaching career

00:06:48

at Banaras Hindu University.

00:06:50

And then because I finished school early by jumping classes

00:06:57

then I was only 19 plus when I started as a lecturer.

00:07:03

Yeah.

00:07:04

So, that was a scary experience

00:07:07

because I was asked to teach final year classes.

00:07:10

Ok.

00:07:11

And among the students were older than me.

00:07:14

So, in the class.

00:07:16

And then, they used to make fun of me

00:07:19

when I turn to the board to write,

00:07:22

then we had a very well-known picture

00:07:26

starred by Raj Kapoor in those days

00:07:29

and there is a very famous song, Raju mera naam.

00:07:33

Ok. So, they sing that song.

00:07:35

So, that is how I started my academic career.

00:07:39

Maybe I will stop here, maybe you have some

00:07:42

something to ask about what I have said.

00:07:44

Ok sir.

00:07:45

Sir, ok

00:07:47

BHU was your first teaching assignment.

00:07:51

Yes.

00:07:52

Then, you went for doctorate programme to Germany.

00:07:56

Yes.

00:08:00

As you did it in Karlsruhe the University, University of Karlsruhe you know.

00:08:04

Yeah, that's correct.

00:08:06

Ok.

00:08:08

Why why did you choose Germany?

00:08:10

Because.

00:08:10

Yes.

00:08:13

Probably that was the time U.S.

00:08:16

education must you know many people

00:08:19

you know went to U.S. ,

00:08:20

I think probably in your contemporary age, but why why Germany?

00:08:26

Yes, yes. So, is there your some

00:08:28

special motivation for selecting?

00:08:32

See, while at Banaras I saw an advertisement

00:08:38

in the papers about the German Government Scholarships.

00:08:42

Ok.

00:08:43

So, I said why not I apply?

00:08:45

I didn't know much about Germany in those days.

00:08:48

Ok.

00:08:49

But anyway I thought that

00:08:51

the fact that they are offering scholarships for Indian students,

00:08:54

so it must be interesting.

00:08:57

And then you know what is another interesting fact is that

00:09:01

I just thought that what will they ask me in the interview?

00:09:07

I felt that because this scholarships were open

00:09:10

I thought that what will they ask me,

00:09:14

then I felt that they will definitely ask me why I want to go to Germany.

00:09:20

Just like you asked why I went to Germany.

00:09:23

Then I was looking for an explanation for this question

00:09:28

and then I was looking for literature to to identify a professor

00:09:32

in Germany with whom I want to go on.

00:09:36

Then, those days Germans were not publishing in English journals,

00:09:41

but with great difficulty I found

00:09:44

the one article by a professor by name Schrute,

00:09:50

he is from University of Aachen.

00:09:52

Ok.

00:09:54

So, when I went for the interview

00:09:56

promptly they asked me why do you want to go to Germany?

00:09:59

So, then I said I want to work with Professor

00:10:03

Schrute in University of Aachen.

00:10:05

I could see in the face of the people especially in the German

00:10:09

person who was sitting there he was so happy

00:10:14

because he didn't expect me to know

00:10:17

the name of the professor and the place I want to go.

00:10:20

Ok.

00:10:21

Then, I already knew that I am

00:10:23

going to be selected because

00:10:25

from the response because they cant ask technical questions,

00:10:29

because there are 25 scholarships for all branches,

00:10:33

including science, arts, engineering, medicine, everything like that.

00:10:39

Ok.

00:10:41

So, that was an experience.

00:10:42

So, I got selected.

00:10:43

So, then I just went.

00:10:46

And we are all taken by a ship in those days you know.

00:10:50

Yes. We went from Bombay to Marseille and then from Marseille in France.

00:10:55

Ok.

00:10:56

We were driven by bus that to your place,

00:11:00

the way be attended as German language course.

00:11:03

Ok.

00:11:04

4 months.

00:11:05

That was very interesting.

00:11:07

So, then, so you learn German

00:11:09

and its a very intensive training.

00:11:13

So, the nobody these teachers won't speak to you in English at all,

00:11:17

even though they know English.

00:11:18

So, they make you.

00:11:20

So, after 4 months even though I wanted to,

00:11:25

I suggested, I said I want to go to Aachen, University of Aachen.

00:11:30

Because another person from CSR was already selected for Aachen.

00:11:35

Ok.

00:11:35

They sent me to Karlsruhe.

00:11:38

Ok.

00:11:38

Which started out because Karlsruhe Institute was bigger,

00:11:43

more activity and the professor was very well known

00:11:48

Professor Loy (Incoherent).

00:11:51

Later he became the German Minister for Science and Technology.

00:11:55

Ok.

00:11:56

Very famous man.

00:11:57

And of course, he was also the

00:11:59

a director or the president of the university

00:12:02

and he was also president of the directors conference and

00:12:08

president of the scientific and advisory committee to the German 216

00:12:11

government and so on and so forth.

00:12:13

He was a member of the CDU or SPD?

00:12:16

No, not at all.

00:12:17

He was very difficult to see him at the first place.

00:12:21

So, I went to the institute and then

00:12:26

the number two person, Professor Glinde,

00:12:30

who was literally running the institute,

00:12:33

he received me and then they showed me a place, a room, my room

00:12:38

and showed me the library and the lab and here you are.

00:12:42

Ok.

00:12:43

So, they won't tell you anything what do you do

00:12:45

or anything like that, you have to signify out.

00:12:48

So, that was a new experience for me because

00:12:50

in India we everybody here guided you know.

00:12:53

Correct that's correct.

00:12:54

Then everybody is busy, nobody is talking to you

00:13:01

and then nobody told me what are the timings.

00:13:05

So, then I figured out myself coming very early

00:13:08

to find out that the first person used to come at 6 in the morning.

00:13:12

Wow.

00:13:13

To the institute, and the last person was

00:13:17

probably leaving the institute by 9 in the evening.

00:13:21

So, those days Germany was in the process of building up

00:13:25

and they were really working very hard.

00:13:27

Actually, the week was 6 and half days a week.

00:13:31

So, including the Sunday mornings

00:13:33

we used to go out.

00:13:35

So, that was very good for me because there was

00:13:38

alot of work being done.

00:13:40

And then quickly to conclude always then

00:13:46

very important thing has happened that

00:13:48

in month or so, I was

00:13:51

allowed to see the professor.

00:13:53

Then, I told him in my broken German that is

00:13:57

saying sir I want to do Ph.D.,

00:14:01

then he said Mr. Raju Ph.D. it will take 6 years here.

00:14:08

And before you can do Ph.D., you must learn the practice of

00:14:12

geotechnical engineering or foundational engineering.

00:14:16

Then, I told him, sir, I am already on leave and have a job

00:14:21

and they will not give me 6 years leave that won't be possible.

00:14:26

Then, he took pity on me and said I will make an exception.

00:14:30

You find a topic for research

00:14:33

and convince me that the topic is worth

00:14:37

doing research for a Ph.D.

00:14:39

So, the entire responsibility was on me.

00:14:43

So, after 4 months, I informed the Indian that I am now

00:14:47

have a topic for research

00:14:50

and then I have written something together, first

00:14:52

in English and then took somebody’s help to translate it to German.

00:14:57

Then, they said professor is too busy to read that.

00:15:01

So you have to give an seminar.

00:15:03

Ok.

00:15:04

So, the seminar was arranged

00:15:06

and I was and that seminar was to be given in German.

00:15:10

So, it was very tough

00:15:12

and I was also not very clear about the topic.

00:15:15

And then I was reading instead of speaking.

00:15:19

Ok.

00:15:21

And the whole thing took one and half hours.

00:15:24

So, at the end of one and half hours the professor stood up and said

00:15:27

Mr. Raju, a seminar is given for 30 minutes

00:15:31

and then he walked out from the room.

00:15:34

So, I knew that that my seminar was a disaster.

00:15:38

So, I went to my room and then

00:15:41

literally cried because you are in a

00:15:43

strange country, no friends and what to do?

00:15:48

Then, I continued my efforts

00:15:53

and then looking at and the work done earlier in the institute,

00:15:57

the publications and all that, then I said I am

00:16:03

probably now ready that was about 10 months after I have been there.

00:16:07

Meanwhile the scholarship giver,

00:16:11

German Academic Exchange Service,

00:16:14

they said that your scholarship will be extended only

00:16:19

if your professor says that you can work for Ph.D.,

00:16:22

otherwise you have to go back.

00:16:24

Then, then they said even

00:16:27

for our own German students we cannot say that,

00:16:30

so how can we say that you can work for your Ph.D.

00:16:33

Ok. So, so give another seminar.

00:16:37

So, this time of course, I was well prepared.

00:16:40

I was clear about my topic,

00:16:42

and I practiced and recorded on tape recorder.

00:16:46

Those days we used to have these tape recorders Ok.

00:16:49

Several times I practiced

00:16:51

and then I gave a mock seminar to my

00:16:54

other German students who are doing Ph.D.

00:16:58

and then when the final seminar came,

00:17:00

I took 29 minutes 30 seconds

00:17:04

and professor discussed one and half hours on my topic.

00:17:09

And then they said yes.

00:17:10

Now, you can you can do Ph.D.

00:17:14

I think that was one of the most important

00:17:17

things that happened in my life

00:17:19

because now, then in the process of this 1 year, I learnt

00:17:22

how to be independent and how to be self-motivating

00:17:27

and then how to work and how to present things,

00:17:31

prepare slides, and so many other things I learnt.

00:17:35

Then there is a first you have to also learn practice

00:17:37

because we cant give Ph.D. without practiced well.

00:17:41

So, then they immediately associated me with the

00:17:45

consultancy projects of the professor.

00:17:47

So, I used to go to project sites.

00:17:48

And then write, the professor was also doing international projects.

00:17:55

So the reports have to be written in English

00:17:56

and hardly anybody knew English.

00:17:58

So, it was good that I was writing part of

00:18:01

those reports and giving it to the professor.

00:18:03

Ok.

00:18:04

But then to help my thesis work

00:18:10

there is a system of

00:18:12

part time students helping research scholars.

00:18:16

So, I had a research project funding.

00:18:18

Ok.

00:18:19

And with that funding, I used to get part time research,

00:18:22

part time students to help.

00:18:24

Sometimes I had even as many as 6 students.

00:18:29

is being with the experiments, preparing the samples,

00:18:33

running the experiment and then doing the computer analysis

00:18:36

and all that they used to do.

00:18:39

So, to cut the long story short,

00:18:41

I learnt lot of practical aspects

00:18:44

plus I was able to complete my Ph.D. in 3 years 2 months.

00:18:51

So, that is why that was a record for that institute

00:18:55

because everybody before took

00:18:57

as professor said 5 to 6 years.

00:19:00

So, probably I was the 26th or 26 Ph.D. from that institute.

00:19:08

So, that is how it was.

00:19:10

Ok. And then I returned back to Banaras.

00:19:15

Yeah. After my Ph.D.

00:19:17

During this time Germany must have been totally different

00:19:20

from this Germany that we see now

00:19:24

because you know immediately I mean almost

00:19:26

20 years after the war

00:19:28

ended and then there are lot of you know

00:19:31

the division of a, I mean a Germany two two halfs.

00:19:34

Ok. And Berlin blockade and what not.

00:19:38

I think they were particularly you know

00:19:42

the economic situations were very

00:19:44

bad at that time, but how do you compare

00:19:47

the the which is I mean the the Germany

00:19:50

of that time which what you see at present?

00:19:53

Yes.

00:19:54

You know what happened is that

00:19:59

by the time I went it was 64,

00:20:03

I mean 63 December I went and then

00:20:06

so 64 may I was in the institute.

00:20:10

Then, still lots of things were being rebuild,

00:20:13

lot of Germany was destroyed.

00:20:15

Ok.

00:20:16

For example, when we were attending the

00:20:19

German classes in Goethe Institute,

00:20:22

we were put in private houses.

00:20:26

And most private houses did not didn't have even a bath.

00:20:29

They had only a toilet.

00:20:31

Ok.

00:20:32

But bathing you have to go out to a place and then

00:20:34

pay money for it and then take a bath.

00:20:36

It was like that.

00:20:38

But still I think people were happy

00:20:41

because they were quickly forgetting the trauma of the war.

00:20:44

Yeah, of course.

00:20:45

And then there was a lot of progress,

00:20:48

lot of action, people had work

00:20:51

and they were seeing better days,

00:20:57

month by month, year by year, things were getting better.

00:21:01

So, you see human nature is that is all relative

00:21:05

which you are already very prosperous

00:21:07

then you want more prosperity, but if you are having less

00:21:11

than even a little more will make a greater.

00:21:15

So, that way I did not notice that.

00:21:18

Yeah. But

00:21:19

what I also noticed is that once

00:21:23

they are become they become friendly they are very friendly.

00:21:25

Initially, there was a distance,

00:21:28

but later when you are humble and then when you

00:21:32

go and talk to them and interact with them and then

00:21:36

then they will they they were very very good.

00:21:39

So, there were any other Indian students

00:21:41

during that time when you were there?

00:21:44

In the in the in the entire university

00:21:47

if I am not mistaken,

00:21:51

people who were doing Ph.D. there were 2 more students Indians.

00:21:55

I see. So, 3 of us used to meet

00:21:57

and there were couple of undergraduate students,

00:21:59

but we did not have much contact with them.

00:22:03

So, it was a very very that; actually

00:22:07

very interesting, Karlsruhe the population of 250,000.

00:22:11

Ok.

00:22:12

And when my wife joined me in 1965

00:22:19

and she used to move with her saree.

00:22:22

She was the only lady

00:22:25

in the whole of Karlsruhe, an Indian lady

00:22:27

moving around you know in a saree and then

00:22:30

people used to stare at her, even this tram drivers would

00:22:36

you know look at stop and look at it something like that.

00:22:40

The local newspaper wrote an article about her and because

00:22:44

then she started helping in a in

00:22:47

nursery or kindergarten that was the situation.

00:22:51

Ok.

00:22:51

But slowly slowly many people have come

00:22:55

and of course, now everywhere full of people.

00:23:01

So, then you back in BHU how long did you

00:23:04

work before coming into IIT Madras?

00:23:07

I I extent BHU in in 2006, 67

00:23:14

June, and then I was given an

00:23:20

indication that I will be made a reader

00:23:23

immediate after my Ph.D. because probably in those days

00:23:26

I was one of the very few people with the Ph.D. in the.

00:23:29

Ok.

00:23:30

Department of Engineering in BHU.

00:23:32

But for some reason, some getting delay

00:23:38

and I was selected as a reader in

00:23:41

Regional Engineering College Allahabad,

00:23:44

but then the director of the institute would say

00:23:46

no, no, no, you don't go to Allahabad,

00:23:49

we will make you reader here itself,

00:23:51

and all that used to say, but sill things were not happening.

00:23:55

Then, someone told me

00:23:57

that there is an advertisement from IIT Madras.

00:24:02

Ok.

00:24:02

For faculty position.

00:24:05

So, then I said why not I apply.

00:24:08

But actually that advertisement was only for the professor,

00:24:12

but anyway still I applied and then

00:24:17

Dr. A. Ramachandran was the director.

00:24:19

Ok.

00:24:20

So, then the interview also went off very well.

00:24:26

And then I was leaving the room,

00:24:33

Dr. Ramachandran called me back

00:24:35

and he said Dr. Raju how is it that you are still a lecturer, he asked me.

00:24:40

So, I didn't know what to say.

00:24:43

So, I didn't say anything I think I.

00:24:45

So, anyway then I got appointment letter.

00:24:50

Ok. And then I joined IIT Madras.

00:24:53

Ok.

00:24:54

That is how.

00:24:56

Ok.

00:24:57

Probably that was a time when you know there were

00:25:00

large number of German professors.

00:25:03

Yes, yes. Then also the laboratory,

00:25:04

you have all those I mean our lab majority employees.

00:25:08

So, the senior technicians of a Germany very long.

00:25:11

Yes.

00:25:12

because you know almost you know

00:25:16

the conditions in the German city has been

00:25:20

recreated in IIT Madras perhaps because of large number of countries.

00:25:24

Well actually.

00:25:27

Yeah, actually it was a a great change from

00:25:33

Banaras Hindu University to IIT Madras.

00:25:37

Banaras Hindu University also has got a beautiful campus

00:25:40

some 1100 or 1400 acre campus very green,

00:25:44

but Madras was more focused

00:25:48

and then the department also was small.

00:25:51

And then there were not many professors

00:25:55

and and also most of the people were working for their Ph.D.

00:25:59

Ok. Is still working.

00:26:02

But they were doing all the work of

00:26:04

you know building classrooms and establishing laboratories

00:26:08

and you know they did lot of work.

00:26:11

Ok.

00:26:12

So, I was received with some sort of a skepticism because

00:26:17

many were there before me who were

00:26:21

aspiring to become a assistant professor,

00:26:22

but they could not become because they don't have a Ph.D.

00:26:24

and then Ph.D. was getting delayed.

00:26:27

So, they, so they did not say so, so much openly,

00:26:34

but I could see that there was a certain amount of

00:26:38

you know reluctance to welcome me there.

00:26:43

But anyway then I was

00:26:46

fortunate to be able to interact with them

00:26:50

and then also help them with their Ph.D. work to some extent.

00:26:54

And then there was an opportunity do do consulting projects.

00:27:01

Professor Verghese was the head of the department.

00:27:03

So you, okay.

00:27:04

Yeah, I when I came.

00:27:07

Then there was no aid to

00:27:12

solid mechanics in those days, it was only for structures and hydraulics.

00:27:16

2 German staff were there in there

00:27:19

and then this project called fertilizer plant at Tuticorin

00:27:27

and there was a very there was a naughty issue to be sorted off.

00:27:32

So, professor Varghese asked me to handle that

00:27:34

and we successfully did that.

00:27:36

So, that gave more rapo with head of the

00:27:41

department and Indian department.

00:27:43

Ok.

00:27:44

And of course, I maintain contact with the German faculty because

00:27:48

I really liked Germany.

00:27:51

So, Germany it is like a second home for me even today.

00:27:54

So, we had very very good time, excellent friends

00:27:58

and learnt a lot, and

00:28:03

lot of changes had happened

00:28:06

in Germany on the positive side.

00:28:08

Ok.

00:28:09

So, at the among the whole I think it was really

00:28:15

very good and then along with the

00:28:21

activities in the department our consultancy was picking up very well.

00:28:25

Ok.

00:28:27

There was a major initiative with L&T,

00:28:32

L&T did not have a geotechnical engineer in that office

00:28:37

in those days, foundational engineer,

00:28:40

so, I used to go and sit half a day

00:28:42

in their office, but in a week.

00:28:45

So, like that things were getting multiplied in an appropriate.

00:28:50

Sir, institute are with so many German

00:28:53

professors here, do you see a lot of comparison between a

00:28:56

Technical University in Germany and IIT Madras?

00:29:00

Because I think there is some sort of a

00:29:03

you know similarity between the two, a TU and IIT Madras. Ok.

00:29:09

My my understanding is that

00:29:12

mostly the German faculty, the professors,

00:29:16

even though we gave them call them professors senior people,

00:29:20

they were more focused on developing the facilities,

00:29:23

building the laboratories and less of teaching.

00:29:26

Ok. Where as most of the teaching was done by the Indian faculty.

00:29:31

I am not sure whether German faculty took any regular lectures

00:29:36

you got an structure and then maybe there was a

00:29:39

one such. Professor Prem.

00:29:41

Alright. Professor Prem used to take classes.

00:29:43

That's how. That will ok.

00:29:45

But they were not already professors in here.

00:29:48

They became professors subsequently.

00:29:50

Professor Rouvé was in hydraulics,

00:29:52

later he became a professor in Aachen.

00:29:54

Ok.

00:29:55

As a full professor, chair professor.

00:29:58

So, that way it was very good.

00:30:00

And then it was also wonderful experience with Dr. A. Ramachandran.

00:30:06

A very outstanding director.

00:30:09

In 1973, I was the secretary JEE,

00:30:16

all India and at that time you were the

00:30:20

whatever it is called coordinating institute or the

00:30:22

Ok. main institute conducting this.

00:30:24

So, I used to go to him.

00:30:27

I would smilingly and very promptly

00:30:30

simply write on every paper which you take to him SAR.

00:30:34

You would give sir.

00:30:35

So, so so prompt.

00:30:37

It was such a pleasure.

00:30:39

It was really very good timing and it.

00:30:43

Ok.

00:30:44

But I think starting in Civil Engineering Department

00:30:48

I think within a very short time

00:30:49

you had a good name as a good teacher.

00:30:53

Yeah.

00:30:54

And very good consultant

00:30:56

and also a research, a good researcher,

00:30:59

help, trying to help those who are doing their Ph.D. at that time.

00:31:05

So, after establishing yourself as a very

00:31:09

senior consultant and also a good senior faculty.

00:31:14

Yes.

00:31:15

Shift to Ocean Engineering must have been a little,

00:31:20

I don't know how did, how did you change their decision to move on?

00:31:25

No, actually what was happening is that

00:31:32

is Civil Engineering of course, the consulting is also a team work,

00:31:36

everything is a everything is a team work.

00:31:38

We used to work in teams.

00:31:40

And then what happened is that

00:31:43

there was an opening or an interview for a

00:31:49

professor in the Ocean Engineering Centre.

00:31:51

So, the Ocean Engineering Centre was

00:31:53

established at one of the advanced centres.

00:31:56

Yes.

00:31:56

And each IIT got one centre and so IIT Madras got ocean engineering.

00:32:02

And they were not getting people with expertise an ocean engineering

00:32:06

because the ocean engineering was not

00:32:08

globally also not a well-developed subject.

00:32:11

It was just picking up.

00:32:14

So, when the interview was there then I went for the interview there

00:32:18

and then they offered me the professorship there.

00:32:21

Ok.

00:32:22

Then, they also said that this

00:32:25

is a challenge you have to build a new institution

00:32:29

and Professor Mithra from IIT.

00:32:34

Kharagpur.

00:32:35

Kharagpur was there in charge of the Ocean Engineering Centre.

00:32:39

So, but he was already retired.

00:32:41

Ok.

00:32:42

So, then I was joining as next person to him.

00:32:46

So, I I thought that this is a good opportunity to

00:32:50

extend into a new area because

00:32:54

foundational engineering, geotechnical engineering

00:32:56

also you have to deal with coastal and offshore foundations.

00:33:00

Correct, yeah. So, I

00:33:01

I took a decision to take that offer

00:33:04

because I didn't have the offer for the

00:33:06

professorship in civil engineering yet.

00:33:08

Ok.

00:33:08

Probably, it would have come after a year or 2, but anyway.

00:33:11

So, I went there

00:33:14

and then by then Professor Indiresan has come as a director.

00:33:21

Oh yes yes.

00:33:23

So, that is how an ocean engineering he supported that very well.

00:33:28

Then, he visited the Ocean Engineering Centre,

00:33:31

we had some faculty, not many.

00:33:33

Ok.

00:33:34

And, but after the meeting was over,

00:33:39

after he interacted with that

00:33:42

for some reason he looked at me I was not the head.

00:33:46

He told me Professor Raju you please send

00:33:48

me a minutes of this meeting.

00:33:51

I was surprised because you did not ask the

00:33:54

head of the department, he is asking me.

00:33:57

Then, I consulted the head of the department

00:33:59

and then I told him he said, yes, yes please prepare and I

00:34:02

prepared the minutes and showed to him,

00:34:04

and then sent it to Professor Indiresan.

00:34:07

And Professor Mithra retired.

00:34:09

Ok.

00:34:09

Then Professor professor Indiresan asked me

00:34:12

to take over at the head of the Ocean Engineering he said.

00:34:17

Then, we want looking looking some more people

00:34:20

and realize that we should take people

00:34:23

who are already very good in their respective fields

00:34:27

and ask them to reorient themselves to ocean engineering.

00:34:30

That how we did you know, you are a part of that.

00:34:32

One of the probably legendary projects was because

00:34:39

immediately after you came in and also with intension

00:34:44

taking lot of interest in those people who have,

00:34:47

I think you could invent the DST to support a huge project on wave energy.

00:34:56

Yes, yes.

00:34:57

I think it has logical conclusion

00:35:01

of establishing or installing a wave energy caisson off Trivandrum.

00:35:07

Right, right.

00:35:08

Can you can you elaborate on that I think

00:35:11

audience will be very very happy to listen to it because its a it is

00:35:15

you are one of the very successful projects had been.

00:35:19

Yeah.

00:35:21

See, what happened is

00:35:24

we were doing simultaneously building up the Ocean Engineering Centre,

00:35:28

doing the wave basin and covering the wave basin.

00:35:32

And then you know for example, this I want to mention before

00:35:39

going to wave energy project

00:35:42

this is very interesting, then then you know

00:35:46

the normal way of covering a basin of that size in those days was

00:35:49

to put a steel truss with AC sheeting.

00:35:51

Correct.

00:35:53

And then I felt that as a technological institute

00:35:56

we should do something different.

00:35:59

Then our good friend A. Ramakrishna

00:36:04

who was at the time in L&T, ECC.

00:36:08

I talked to him.

00:36:09

He said we should put a

00:36:11

folded plate roof concrete roof

00:36:13

that is it is made to span,

00:36:15

cost on the ground, lifted, and placed in position.

00:36:19

And, but that was not done in the country before.

00:36:21

Ok.

00:36:22

So, we are going to do it for the first time.

00:36:25

Then, I went to Professor Indiresan and said

00:36:27

this is the situation this has not been done before,

00:36:30

but he said are you confident of doing it.

00:36:32

I said yes.

00:36:34

Then, he said immediately please go ahead.

00:36:37

So, then we did that and I think it has come out quite well.

00:36:41

So, that was one instant.

00:36:44

Professor Indiresan also said we are also trying,

00:36:48

so you have to focus on some areas you cannot do everything.

00:36:52

Then, I then I said those days ocean energy was the fashion.

00:36:56

Yeah.

00:36:57

So, people were talking of OTEC,

00:37:02

then that is the ocean thermal energy,

00:37:04

wave energy and tidal energy. Tidal energy,

00:37:07

yeah.

00:37:07

Tidal energy was already quite advanced,

00:37:11

that there were already a plant in France, tidal energy plant.

00:37:17

Then, actually Professor Indiresan used to participate in

00:37:20

Saturday meetings where we had invited different

00:37:23

people from different departments

00:37:24

and we talk used to talk about OTEC and the wave energy.

00:37:29

At the same time the department of ocean development

00:37:32

was started in Government of India.

00:37:34

Yes.

00:37:36

There was also a Department of Non-Conventional Energy

00:37:41

in the ministry already that was before the Ocean Energy Department.

00:37:45

And they sponsored a project for,

00:37:49

but discussion then things like that.

00:37:52

And later ocean development came.

00:37:55

And then we said that we should do something substantial.

00:38:02

Then I was also on the sort of a Ocean Commission,

00:38:06

I was also a member of the Ocean Commission

00:38:09

and also there was a National Institute of Oceanography,

00:38:12

I was also member there on the governing,

00:38:15

I think research council they used to call it.

00:38:17

Ok.

00:38:18

Then we made a proposal for this wave energy

00:38:21

project, then we certainly do a pilot plants.

00:38:25

The best way of conditions,

00:38:27

relatively best way of conditions were available

00:38:29

of the course of Trivandrum, Kovalam.

00:38:33

So we proposed that.

00:38:35

And then they sanctioned that.

00:38:38

So, that is how that project started and then

00:38:41

many people joined, then Ravindran joined as

00:38:47

PSO, Principal Scientific Officer.

00:38:50

I don't remember when he actually joined, but he also.

00:38:54

So, that is how the project started.

00:38:56

And that was also a great experience.

00:38:59

He wanted to build a huge caisson and how to build this and

00:39:02

nobody has done it before,

00:39:04

not only in India anywhere in the world.

00:39:07

There again Mr. Ramakrishna

00:39:10

from L&T, he came forward.

00:39:14

And then our accounts people

00:39:20

they said how can you give the job without without

00:39:23

quotations and there is only single person. Yeah.

00:39:28

Then, I said ok, let us go to site.

00:39:30

So, I took the our accounts people to

00:39:33

Vizhinjam or Kovalam.

00:39:35

Yeah.

00:39:36

And showed him the place and said here we have to

00:39:38

build a something like

00:39:41

how many storage structure, I not exactly remember now,

00:39:44

but huge scale you have to pay you tell me how we can get.

00:39:48

Nobody is prepared to do it.

00:39:50

Even one person we had to persuade.

00:39:52

Ok.

00:39:53

And so they appreciated that.

00:39:56

In fact, they immediately said yes sir.

00:39:59

This is the way we should do it

00:40:00

and then and all of you work very hard.

00:40:04

So, then the project will.

00:40:06

Sir, Professor, Professor Indiresan and

00:40:10

we had a very sort of very close relation.

00:40:13

Yes.

00:40:14

That has definitely resulted in many,

00:40:17

not only projects, but also

00:40:19

for example this building itself.

00:40:21

Yeah, yes. Building that we are sitting

00:40:23

is again you know.

00:40:29

Yeah, actually actually this this

00:40:35

being this ICSR building came much later,

00:40:39

not during Professor Indiresan’s time.

00:40:41

Ok oh I see.

00:40:43

Yeah ok.

00:40:43

And then in Professor Indiresan time

00:40:45

many things happened.

00:40:48

It was very interesting how I think

00:40:53

he was so proactive, so supportive

00:40:57

and probably I think in some way we were the same on the same page.

00:41:04

For example, he made me chairman incident works.

00:41:08

Yes.

00:41:10

So, I wanted to see the entire campus

00:41:12

of course, that anyway we were doing walking.

00:41:15

But I wanted to walk all along the boundary of the

00:41:18

campus to see the boundary all, what is the condition, and then some

00:41:23

people were making holes in the boundary wall and then

00:41:26

trespassing and all that.

00:41:28

So, on Sunday along with

00:41:30

my wife I told her let us walk along the boundary

00:41:33

and suddenly I find Professor Indiresan

00:41:36

and Mrs. Indiresan doing the same thing.

00:41:38

So, we really met at that time.

00:41:40

Ok.

00:41:41

So, that is one thing.

00:41:43

And then the second instance is the SAC building,

00:41:49

the student activity centre.

00:41:51

Ok.

00:41:51

That was being during his time.

00:41:53

That was a silver jubilee occasion and the government gave

00:41:58

extra grants for the student activity centre.

00:42:01

So, next day was the inauguration,

00:42:03

president of India was inaugurating to him.

00:42:06

So, sometime around 9 O’clock

00:42:09

or 9:30 in the evening,

00:42:11

earlier we have seen all the arrangements.

00:42:14

So, I felt that I should see

00:42:16

whether everything is ok now or what is really happening

00:42:19

I reached there at 9:30.

00:42:21

Promptly I find Professor Indiresan and Mrs. Indiresan there.

00:42:24

So, they he was also trying to instruct them.

00:42:28

That every way he was very supportive.

00:42:32

Ok.

00:42:33

And that any paper I take for approval

00:42:38

he would immediately sign

00:42:40

without even reading anything looking at it.

00:42:42

Ok.

00:42:44

So, I asked him sir one day

00:42:46

how are you just approving it even without

00:42:50

reading what I have written.

00:42:52

Sir, there is no need because I know that

00:42:54

you will not ask anything unreasonable.

00:42:56

So, what you are asking.

00:42:57

So, that is. That is a confidence,

00:42:59

that is a confidence he had in you.

00:43:02

He was extremely supportive

00:43:04

and that's how I learned that you have to be very supportive,

00:43:07

later your colleagues,

00:43:08

you have to trust them and you have to empower them.

00:43:10

That is correct.

00:43:11

I think it helped me a lot after subsequent years.

00:43:15

Then, student activity centre was actually planned

00:43:20

subsequently and I think it was

00:43:24

Professor L. N. Ramamurthy’s time when he was the dean,

00:43:28

some planning was done.

00:43:29

Ok.

00:43:31

But then I think Professor Radhakrishna

00:43:35

of Mechanical Engineering also was there I think,

00:43:38

then then I took over as dean.

00:43:40

Ok.

00:43:41

And this was still under construction.

00:43:43

So, we used to visit and then made some changes

00:43:46

and then some developments and all that.

00:43:49

Professor professor Aravindan checked all the designs for that the building.

00:43:53

So, there was a great tradition in IIT Madras,

00:43:55

all of faculty would used to get involved

00:43:59

with a campus development and checking designs and all that.

00:44:03

So, that way it was very good, very.

00:44:07

Then the then I moved in into the

00:44:10

first time into the ICSR building.

00:44:13

Coming back to ocean engineering, I think

00:44:18

we had two phases of German assistance.

00:44:25

I think this has also been you know

00:44:27

during your time you know both these

00:44:29

assistance programmes were planned.

00:44:32

Yeah.

00:44:33

And of course, Professor Indiresan was very very supportive.

00:44:37

I think many in the campus perhaps

00:44:39

were not very happy that ocean engineering is

00:44:41

you know getting a lot of disability and also

00:44:45

a development of funds, whether it is

00:44:48

you know Government of India funds

00:44:49

or the the the assistance from Germany.

00:44:55

How were you able to manage the German assistance.

00:44:59

Actually. In fact, of all the problems.

00:45:01

Actually what happened was that

00:45:04

you know whenever these

00:45:07

Germans used to come

00:45:09

and especially from the German agency for development,

00:45:14

they used to visit different places

00:45:16

and I think they also visited ocean engineering

00:45:19

and I used to interact with them.

00:45:21

Yeah.

00:45:21

So, I told them that this is a new area

00:45:24

and Germany is also developing in this area

00:45:28

and we should get assistance from Germany,

00:45:31

but then they said that the programme of assistance is closed.

00:45:36

At that time they were only doing exchange of faculty.

00:45:39

So, some some faculty members were selected

00:45:42

you know to go to Germany and then

00:45:44

for 2 months, 3 months like that.

00:45:47

But then finally, they I have I convinced them

00:45:50

there is is you know just because

00:45:52

you have some time limitations you know that

00:45:56

Ocean Engineering Centre should not be denied

00:45:59

getting assistance because without that it would be very difficult.

00:46:03

So, because you know random wave

00:46:05

and wave generators for the basin and

00:46:09

all that it would have been very difficult for us.

00:46:12

And then they agreed and then they sent

00:46:17

a German professor from Berlin to visit us.

00:46:21

He came and the he gave a report he supported it

00:46:25

and then then finally, they agreed to fund this project hereby.

00:46:29

So, I think that was a very useful inputs that we got from there

00:46:34

and I think as far as

00:46:37

I know probably subsequently NSTL must have built some of

00:46:41

these random wave facilities and all that,

00:46:43

but at that time probably we were the only institute.

00:46:46

So, these are the.

00:46:47

In fact, even in Germany they were

00:46:48

not having a similar facility.

00:46:50

No. So, that was the magnanimity

00:46:51

of the German assistance.

00:46:54

That was the way we were successful.

00:46:57

And I think Professor Indiresan also strongly supported that.

00:47:00

During his period only we got the assistance.

00:47:02

Sir, during your time as dean, ICSR you know

00:47:06

I think the PIs,

00:47:12

coordinators were actually liberated from lot of gangly (incoherent) holes.

00:47:17

Yes.

00:47:18

The in front of the work.

00:47:19

Yes, yes.

00:47:20

I think lot of changes where have been brought in

00:47:23

and as you used to say that the manager should be

00:47:27

that should not be a power centre.

00:47:30

Should be a service centre.

00:47:31

I think that type of a culture you should

00:47:34

probably instill in some of the offices here.

00:47:37

Yes.

00:47:38

That was a great change.

00:47:39

How do you bring about, one was that

00:47:41

visited Trivandrum is one thing that has changed their attitude,

00:47:44

but you know new things which from here itself you could change.

00:47:50

See, when I joined IIT Madras

00:47:53

and that was in 1970,

00:47:57

then ICSR was not yet started at that time.

00:48:00

I think it came later, couple of years later 73 or so.

00:48:05

Then you know if you get a project sponsor project,

00:48:09

if if you want to take a scientific officer or a someone into the project,

00:48:15

the registrar told me that it will take an year,

00:48:18

the process, because we have to advertise

00:48:21

in the papers and then you know whatever.

00:48:25

It's a very long.

00:48:26

You know I was shocked. How can you

00:48:28

wait for an year to start a project.

00:48:32

So, anyway, then ICSR started and then they were

00:48:35

slowly improving the processes and then,

00:48:38

but still there was

00:48:41

it was taking some time, couple of months to recruit.

00:48:45

And I said what is there in recruiting a project officer.

00:48:49

Finally, it should be the choice of the principal investigate, PI.

00:48:53

So, I made a proposal these an ICSR committee, I made a proposal

00:48:59

that we will have a standing committee

00:49:01

for recruitment of the project officer,

00:49:03

so which will meet every Friday and Saturday.

00:49:06

And when in this standing committee then of course,

00:49:09

the PI will be also a member

00:49:11

and the consult head of the department may be

00:49:13

somebody could be a member.

00:49:15

So, we will give the and then

00:49:19

this is sort of like a walk in interview sort of a thing.

00:49:22

Even without advertisement people can apply or whatever they.

00:49:27

Ok. And then

00:49:30

every week we will have this standing committee meeting.

00:49:33

So, therefore, if somebody finds a person on a Monday,

00:49:38

by Saturday the appointment letter would be given

00:49:41

or even Friday,

00:49:42

Saturday appointment letter would be given

00:49:44

because it is only the matter of just.

00:49:47

Only only condition is that was he should not

00:49:49

be related to you and you should be qualified.

00:49:51

You should have minimum qualifications.

00:49:54

That was acceptant.

00:49:55

I think I should say also Professor N. V. C. Swamy

00:49:59

who was the director at that time

00:50:01

he also supported us to have this processes.

00:50:05

And then people were

00:50:08

happy and they said we will trust people,

00:50:12

some people may misuse, but that trust, but doesn't matter.

00:50:16

So, but that is better to trust.

00:50:19

But I must say that that time when I took over

00:50:24

our consulting value was about a crore

00:50:26

in those days, now it must be 100 crores or whatever it is.

00:50:30

In 5 years in it it increased by 5 times.

00:50:39

So, 1 crore became 5 crores in 5 years

00:50:41

that is a phenomenal growth.

00:50:45

Then, sponsor research also grew maybe

00:50:47

3 times or something like that.

00:50:49

I don't remember the figure.

00:50:51

And also that was a very nice experience. We had good people.

00:50:54

And I think it worked well.

00:51:01

It worked well. It worked well.

00:51:04

You had a very you know enormous influence

00:51:07

of lot of youngsters ofcourse

00:51:09

I am also one of them.

00:51:13

Many many people you know you

00:51:15

mentored up later on you know they are

00:51:17

grown in in in various areas and

00:51:23

how did you inculcate this culture or

00:51:26

supporting and trusting people like

00:51:31

you have a goal and you know you mentor people,

00:51:34

so that you know we can reach

00:51:36

the goal.

00:51:37

That that is set for yourself.

00:51:39

You know what I learnt from my

00:51:41

team my superiors or

00:51:43

people who mentored me was that most

00:51:45

important thing is trust.

00:51:48

And trust in empowerment,

00:51:50

you have to trust then you have to empower people

00:51:53

and that's what we did and it worked very well.

00:51:57

So, so therefore, I what I learnt

00:52:00

from my mentors, I just passed it down.

00:52:04

And so I already gave you the examples of Dr. A Ramachandran

00:52:09

and Professor Indiresan and

00:52:12

you know what they taught us how to go about it.

00:52:16

So, therefore, it was quite easy and then

00:52:22

then they grew afterwards by their own merit of course

00:52:27

and by the ofcourse, team work.

00:52:31

Team work are also very important.

00:52:33

You know you remember when we did all these

00:52:35

in both consulting projects and then

00:52:37

sponsored projects we were such big teams.

00:52:39

Ok. I remember that

00:52:42

when we were doing consulting then

00:52:44

doing the instrumentation part you did the instrumented,

00:52:46

one jetty in Paradip

00:52:48

I remember that very path breaking studies.

00:52:52

Yes. And Aravindan and

00:52:54

Meher Prasad and you know Velu, Gandhi.

00:52:59

So, this is why it was such a wonderful thing and also

00:53:02

number of project officers, I remember I think

00:53:04

maximum number we had only about 12 or so in those days.

00:53:07

Ok. It's all

00:53:10

it I think it's all teamwork and the

00:53:12

merit of the people by themselves.

00:53:15

Most people are really good.

00:53:17

Even today I am seeing it. Youngsters

00:53:20

you put them in the right place and then tell them how to go about

00:53:23

and then encourage them, they will learn very fast.

00:53:26

So, we have lot of talent in this country.

00:53:29

But yesterday night I was

00:53:32

thinking about this Paradip Port project that we have done.

00:53:36

Yes.

00:53:37

Even today I can't believe a load cell which has been put

00:53:42

in the soil for several months.

00:53:45

Yes.

00:53:46

Worked very well after you know we dug up everything and then

00:53:52

again did the measurements.

00:53:54

Oh really.

00:53:55

I did the, in fact, the load cell were designed by us,

00:53:59

everything was done by us.

00:54:00

Yes of course.

00:54:01

And it it it I think we went there after the

00:54:05

dredging was over and then about 6 months,

00:54:08

it took almost 6 months,

00:54:09

Velu and myself went and. Yes.

00:54:12

Our heart was beating very fast to find out

00:54:15

you know whether it is going to work or not because otherwise

00:54:18

6 months effort has already lost.

00:54:20

Sure, sure.

00:54:21

those working so well.

00:54:23

You should get, yeah

00:54:25

it has it could get exactly the type of

00:54:28

predicted load that was coming onto the drivers;

00:54:31

is it is it is a wonderful experience.

00:54:33

And these are all you know

00:54:35

many people are not even attempted to do such

00:54:38

such work anywhere in the world perhaps

00:54:40

that is why it has become an ISD publication.

00:54:43

Right.

00:54:44

See, it is a first of all

00:54:47

recognizing that there is a need to;

00:54:50

first of all recognizing that that particular system will

00:54:53

work in a particular way

00:54:56

that was the one part.

00:54:58

Then afterwards you have some

00:54:59

youngsters I think do do is

00:55:02

structural analysis or whatever analysis

00:55:05

appropriate analysis to prove it through analysis.

00:55:08

But finally, to prove it through measurements,

00:55:13

so several roads.

00:55:15

So, initial identification maybe I I could see is the the concept.

00:55:21

Then analysis was I think done by Sundaravalli Velu, this

00:55:25

structural analysis and then you pioneer at the

00:55:28

instrumentation part and did that that is

00:55:31

and that is how it should be.

00:55:32

It's always team work.

00:55:36

Sir, a few words about NIOT because that is again

00:55:41

you had a major role in bringing NIOT to

00:55:44

Chennai to IIT Madras and it has so it has brought

00:55:49

much more perhaps that.

00:55:51

Budget of NIOT is at least 2 to 3

00:55:53

times not that that was all. Right.

00:55:57

What was your?

00:55:59

Yeah.

00:55:59

See, it was like this that I was on the Ocean

00:56:04

Commission as a member

00:56:06

and Professor P. Rama Rao became secretary DST

00:56:12

as well as the secretary of DOD ocean development.

00:56:16

And we used to discuss

00:56:17

in various meetings and all that,

00:56:20

and then during the discussions it came on saying that

00:56:26

ocean development, Department of Ocean Development

00:56:29

needs an institution of of its own funded by them.

00:56:39

Much beyond the Ocean Engineering Centre.

00:56:42

Ocean Engineering Centre was of course,

00:56:43

doing this wave energy project and all that.

00:56:45

Correct, correct.

00:56:46

So, then then academic was decided to start NIOT

00:56:52

and I told Professor Rama Rao they desperate to start

00:56:55

NIOT is to locate it on campus

00:57:00

and I was I was also a dean ICSR.

00:57:02

So, we said we will put one extra floor.

00:57:05

Ok.

00:57:06

On the ICSR building

00:57:08

and you please pay for that that that floor

00:57:11

and then he immediately accepted it

00:57:13

and Professor Swamy also accepted the proposal.

00:57:16

And that is how NIOT started in our campus.

00:57:19

And then, then naturally they grew

00:57:22

to a particular size that this space was no more adequate.

00:57:25

Ok.

00:57:26

Then they moved out and they found land and

00:57:29

then of course, Ravindran has taken it

00:57:31

forward as a director of NIOT.

00:57:34

So, that is how.

00:57:36

So, that that was a good move.

00:57:40

Then such experiences like would replicate

00:57:44

later more effectively in Delhi.

00:57:46

Ok.

00:57:47

That of co-locating the facilities with an institution.

00:57:53

In fact, that is my next question.

00:57:55

From IIT Madras after you know

00:58:01

you went as director of IIT Delhi.

00:58:03

Yes.

00:58:04

And you had a full term there.

00:58:08

Of course, definitely when somebody goes

00:58:10

from one institute to another institute,

00:58:12

best practices of the previous institute will be

00:58:15

I will try to replicate in in the new institute because through this.

00:58:19

Yes.

00:58:20

An established institute of the. How did the faculty of IIT Delhi.

00:58:26

Yeah.

00:58:28

Receive the the changes that you try to bring about

00:58:32

or the best practices that you have you know

00:58:35

from Madras, IIT Madras you you try to

00:58:37

implement it with an IIT Delhi.

00:58:39

What was the type of reaction from

00:58:42

you tackled the students as well as the staffs?

00:58:47

You know first I would say that

00:58:49

I would I would never thought that I would

00:58:53

go to actually Delhi I mean to lecture.

00:58:55

This is not in my thinking or whatever it was.

00:58:59

At that, by the time I was

00:59:01

selected at IIT Delhi I I was dean ICSR

00:59:06

and STS as dean I used to appreciate when.

00:59:12

Yeah.

00:59:13

director was out of station.

00:59:15

So, then I think when I was invited,

00:59:23

those days you cannot apply for a directorship.

00:59:25

Today I think people can apply.

00:59:28

Then anyways, nominations were there, I think

00:59:32

I don't know who all nominated, but definitely Professor Indiresan

00:59:36

through his channels he he

00:59:38

he nominated me and then

00:59:41

then invited for an interview and of course,

00:59:43

there it went very well, the interview went very well.

00:59:46

Then, I received this invitation to at IIT Delhi.

00:59:52

Then, after going there obviously,

00:59:56

you have all the experiences at IIT Madras of

01:00:01

working in the Civil Engineering Department,

01:00:03

Ocean Engineering Centre,

01:00:05

chairman, Estate and Works, which I did and then dean ICSR.

01:00:09

So, all these things were practically you know. Then

01:00:13

first thing I started was to visit all the departments

01:00:18

and then and centres and meet all of them.

01:00:22

Systematically, first meet the faculty, then meet

01:00:25

the staff, and meet the research students

01:00:28

and go around the labs and see what is.

01:00:33

Then go around the hostels because

01:00:36

that was my hobby to walk,

01:00:38

so I used to, I have seen every nook and corner of the campus.

01:00:43

Then quickly realized that

01:00:46

there is a backlog of faculty selections.

01:00:50

And so simple things, then then we immediately

01:00:55

went through the process of faculty selections.

01:00:59

You know generally nowadays maybe

01:01:02

things have changed, but in those days

01:01:04

you call all the faculty, interviews will run from morning to evening,

01:01:09

say 9 O’clock to evening 5 O’clock or 6 O’clock, they won't tell

01:01:13

when your turn will come.

01:01:15

So, people are just waiting from 9 to 6, some of them.

01:01:18

As I I I just thought about it and then said

01:01:21

why not we give them a time slot.

01:01:24

So, everybody was given a time slot of 15-20 minutes.

01:01:28

So, they exactly know when they are

01:01:30

required to be there, otherwise.

01:01:31

Such small things made a huge impact

01:01:34

going to the department and talking

01:01:36

with the faculty in detail and asking

01:01:38

in the with youngsters and hearing patiently what they have to say.

01:01:42

You know every semester I registered every department and centre

01:01:45

and centre facilities,

01:01:47

because you know that what

01:01:49

and how to get rid of obsolete equipment

01:01:53

because at least when I went there

01:01:59

and we may be true with most institutions even today

01:02:03

and everywhere we find lot of obsolete

01:02:05

equipment occupying space.

01:02:07

So, then I said why is it lying here

01:02:09

and then this administration will say that

01:02:12

you cant write off easily, there is a big

01:02:14

procedures for that and all that.

01:02:16

Then, I said I want a very quick coalition and finally,

01:02:21

I told the engineering unit

01:02:23

they used to have cement godowns,

01:02:25

I said why is this godown here such a huge godown.

01:02:28

No sir, we supply cement because

01:02:31

they may not bring quality cement.

01:02:33

I said forget about it.

01:02:34

Now, there is enough quality cement available in the market.

01:02:36

Maybe in olden days it was different.

01:02:38

So, I emptied the cement godown

01:02:40

and said shift everything which is

01:02:42

not functional into the godown.

01:02:44

Ok, ok.

01:02:45

So, 30 percent of the space

01:02:47

which was occupied by obsolete equipment were became free.

01:02:52

So, suddenly imagine that you we have so much

01:02:55

space which is unutilized becomes useful.

01:02:58

So, all those things made people happy

01:03:00

and they cooperated very well.

01:03:04

There are so many issues that will crop up,

01:03:07

we have to think out of the box.

01:03:09

Ok. So, for example, the campus was not green enough

01:03:13

compared to Madras campus.

01:03:15

So, then I told them my board in first meeting

01:03:19

we will plant a 1000 trees every year

01:03:22

on the Delhi campus.

01:03:23

Earlier were doing maybe 100 trees a year.

01:03:27

And then main the board members plant trees,

01:03:30

started with them with the chairman of the board.

01:03:33

And a small committee and

01:03:35

told them I want your help,

01:03:38

we need to plant 1000 trees.

01:03:40

So, they planted 2200 trees in the first year.

01:03:44

So, then it became the norm, 2200 is the norm.

01:03:47

So, 5 years I think they planted about

01:03:49

11000 trees or something like that.

01:03:52

Same thing you know with bathrooms, hostels,

01:03:58

if you go to the kitchen you will find

01:04:00

that tube lights are not working,

01:04:02

fan is not working, exhaust fan is not there, it's all

01:04:05

you know, then with a vengeance you get all those

01:04:10

things renovated and things like that.

01:04:13

So, that will win a lot of friends

01:04:16

because people who are working in the kitchen they are happy

01:04:19

then then once they are happy,

01:04:22

they treat the students well, they cook better.

01:04:25

So, like that and then construction because we said

01:04:31

we had 2400 students

01:04:34

when I went in 1995 and 2200 employees

01:04:38

20 acres of land,

01:04:40

so un utilization.

01:04:42

So, I told them that we should

01:04:45

aim to double the student strength

01:04:48

in my period of 5 years.

01:04:51

So, then you need more hostel rooms.

01:04:55

So, I asked the engineering unit how are you building.

01:04:58

So, they said that building 50 rooms,

01:05:01

so of course, for the government hostel

01:05:02

for the last 2 and half years.

01:05:05

I said that is too slow.

01:05:06

We need something different.

01:05:08

Then, we have planned bigger hostels and then

01:05:12

got the bigger builders and finally,

01:05:15

with our friends help got L&T to do hostels.

01:05:20

And they build very fast.

01:05:22

We were building them you know.

01:05:24

Sometimes one has to look at the minor things,

01:05:28

using my experience you know

01:05:31

in addition to this planting saplings and trees

01:05:37

I used to find the cattle on campus.

01:05:43

Late nights, not during the day.

01:05:45

See, what the neighboring villages were doing,

01:05:50

they will connive with the security

01:05:53

and though we have cattle traps

01:05:54

in the night they will put a plank on that

01:05:57

and drive the cattle.

01:05:59

And take them away in the morning.

01:06:02

So, I used to come sometimes

01:06:04

from the late flights to the campus and see the cattle there.

01:06:08

So, then I told the security officer, this is very

01:06:11

serious and I don't want to see any cattle on campus.

01:06:15

Then that made a huge difference because

01:06:18

without cattle all the plants started growing themselves.

01:06:21

Ok.

01:06:22

That was one important thing.

01:06:24

The same thing also was with the toilets,

01:06:29

that they were not in a proper condition and then.

01:06:33

So, I I literally took

01:06:35

the institute engineer with me and then I said if

01:06:38

they are not fixed within the next 2 weeks,

01:06:42

so I will start cleaning them and then

01:06:44

you may not have any option to join me in doing so.

01:06:48

So, that worked and then they improved.

01:06:51

But again they go back.

01:06:53

So, in there were in many ways academically

01:06:55

also recruiting faculty in you know,

01:07:00

and some of the innovations we did was that

01:07:06

new faculty were informed immediately

01:07:08

after the selection, after the interview itself.

01:07:12

Ok.

01:07:13

See earlier people will be waiting

01:07:15

and sitting in the admissions office to find out

01:07:17

have I got selected, am I promoted and all that.

01:07:21

I told the heads of the departments

01:07:23

at the end of the day itself you just

01:07:25

call them and tell them that they are already selected

01:07:28

and that made a difference

01:07:30

because then they are not,

01:07:32

then they are happy and they are join you and similarly with

01:07:41

people who are promoted also

01:07:43

without waiting for the registrar to send formal letters,

01:07:46

I used to send letters to them,

01:07:48

congratulation letters saying that

01:07:51

I am happy to inform you and that you are being elevated.

01:07:55

So, and so and then the formal letter will found.

01:07:58

So, all those small small things I think

01:08:01

motivated people well.

01:08:05

Sir, this is my last question.

01:08:07

Yeah. Looking back,

01:08:10

what do you think is your most unique

01:08:13

contribution to IIT Madras?

01:08:16

I know it will be very difficult because

01:08:19

large number of contributions

01:08:21

that you gave to research ofcourse,

01:08:24

what do you think is the most unique,

01:08:26

a single contribution to IIT?

01:08:30

You mean to say that the most

01:08:33

most important thing in my view?

01:08:36

In your view, yes.

01:08:37

What I what what I feel is that

01:08:42

I mean on the whole being open minded

01:08:47

and yeah they said already

01:08:51

mutual trust and common good and such things,

01:08:57

they were helped.

01:08:59

Certainly, I think Ocean Engineering Centre

01:09:01

is certainly a very good

01:09:04

you know example of creating a great facility.

01:09:09

Probably, one of the best of its kind in this part of the world,

01:09:14

that is one one one contribution.

01:09:17

And I think also

01:09:19

the number of colleagues who have really

01:09:23

done well and reach in

01:09:27

to higher levels and then to higher contributions.

01:09:30

So, I would say human resource I will put first;

01:09:35

you know what we have been able to create.

01:09:38

Then, establishing the facilities,

01:09:42

than building you know that create you know,

01:09:46

even I feel that what we have achieved together

01:09:50

and the consultancy friends and

01:09:53

sponsor research fund also is quite substantial.

01:09:56

Nothing when the wave project,

01:09:58

wave energy project was given

01:10:00

probably at that time that was the biggest projects.

01:10:02

Sir, in conclusion would you like to

01:10:05

because this will be viewed by many people.

01:10:08

Yes.

01:10:08

This is a part of an audio book

01:10:11

on IIT Madras that was published by Heritage Centre.

01:10:14

Yeah.

01:10:15

Do you have any concluding remarks to make?

01:10:23

I think I have already said that thing in the previous,

01:10:28

last point I think what I said and I think.

01:10:34

what I I have I have experienced is

01:10:41

that human tendencies to think

01:10:46

that what we got is taken for granted

01:10:51

and what we did not get looks very big.

01:10:55

Ok.

01:10:55

You know and then we always expect things to

01:11:00

happen faster than what they happen.

01:11:03

But I think the wisdom lies in

01:11:05

accepting things as they are and then

01:11:07

trying to improve and

01:11:11

focus on teamwork and then mutual mutual benefits,

01:11:17

and and the common good as I said already.

01:11:20

And also finally, at the good of the nation,

01:11:22

I mean that should be uppermost in our mind.

01:11:27

Sir, one one thing which I did not

01:11:31

ask you it's about a about your 3 children.

01:11:34

Yes.

01:11:35

I think you should tell something about them.

01:11:37

Ok. Yeah.

01:11:38

Actually, it made a great difference for

01:11:41

them to grow up in the campus.

01:11:43

Really, I think

01:11:45

you know, one of the important

01:11:48

things for us as seniors is to get faculty.

01:11:51

So, I used to tell the people

01:11:54

if you join as the faculty you have

01:11:57

all the freedom, number one.

01:11:59

And your children will get good education

01:12:03

and carrier and which are both

01:12:06

you know very important.

01:12:09

Ok.

01:12:09

So, that way we were fortunate that

01:12:13

we have 3 children, son and 2 daughters.

01:12:17

Son and elder daughter both did undergraduate

01:12:20

IIT Madras which is quite thing

01:12:23

and this the younger one did masters in Mathematics at IIT

01:12:28

and all of them are doing well.

01:12:31

So, I think definitely the campus education in the

01:12:34

campus living has made a

01:12:36

significant contribution for their for their growth.

01:12:39

And also, the impact the value systems

01:12:42

that we follow in the campus.

01:12:43

And I think it has been a great experience.

01:12:46

So, I can't think of a better place for children to grow.

01:12:49

Yeah, yes, yes

01:12:50

A campus like IIT Madras.

01:12:51

Thank you very much sir.

01:12:52

I think.

01:12:53

Thank you thank you Chandy.

01:12:56

Time we give together.

01:12:57

Yeah, it's it is so so nice that after a long time

01:13:01

we are sitting and then talking.

01:13:02

Yeah, we will continue to keep in touch.

01:13:06

Yeah, sure.

01:13:07

Thank you and all the best to you and your family.

01:13:09

Thank you. Thank you and bye.

Oral History Project

< Back

Mr Venkatesh Mannar in Conversation With Mr Kumaran Sathasivam

Oral History Project

< Back

Dr. Siegfried Seinecke in conversation with Prof. V. Jagadeesh Kumar

00:00:13

We have with us Professor Sienecke who was one of the

00:00:16

founding professors of IIT Madras. Welcome sir.

00:00:22

Thank you. So, when was your first visit to IIT Madras?

00:00:26

It was around the 1st July of the year 1963.

00:00:32

Oh, You are you you really came very early in the .

00:00:35

We we we came we came by boat from Genova to

00:00:41

Bombay. Ok.

00:00:44

Then, we were received by

00:00:46

some government persons. We were taken,

00:00:49

we were taken into the railway over the night,

00:00:55

and we have reached; we have reached here

00:00:58

in the morning. On the early in the morning and

00:01:02

all the guests, all the colleagues of, they came to the airport.

00:01:08

Now, they came to the railway station. Railway station.

00:01:10

And we had a series of cars you know.

00:01:14

Going from the railway station here.

00:01:17

So, we have been the first family, wife and two children

00:01:23

and myself to go into a ready-made house, 2nd crossroad.

00:01:28

Ok. Even the beds were prepared.

00:01:31

Ok. And all the colleagues, they had to live in town for some years.

00:01:35

Ok. You know.

00:01:37

So, we were the

00:01:38

first family you know starting here,

00:01:41

fresh it was very surprising, and the worst was there were some,

00:01:48

some animals you know climbing up like this you know.

00:01:53

I thought they were snakes you know. Lizards.

00:01:57

Geckos ye snakes, small snakes geckos you know. Geckos yes.

00:02:06

Geckos were surprising. And next morning around 9 o'clock

00:02:16

Professor Venkatarao came to our house. Ok.

00:02:20

With this cars, and I was called to sit in his car.

00:02:26

So, he was you know he was

00:02:28

taking me over to his department. Department.

00:02:33

No, no breakfast, I had to come. Ok.

00:02:37

To his department and till the end, he was my father here.

00:02:44

Ok yes. You know he was very old, very old,

00:02:47

he was my father here like my father

00:02:51

because in the second year,

00:02:54

I had some success and you know the main aim was

00:03:00

to introduce German methods. Ok.

00:03:02

That means the education should be more practical. Yes.

00:03:06

So, I started to develop experiments for the students.

00:03:12

40 experiments within 2 years

00:03:14

Oh. And each of them had to go through the experiments you know.

00:03:18

This was my main topic.

00:03:21

But the assistant professor didn't liked it.

00:03:25

Ok. Because I try to engage

00:03:28

them you know to supervise, they didn't like

00:03:31

so, they didn't like

00:03:32

because they only kept to make paperwork.

00:03:35

Ok. They had textbooks and put the results into the,

00:03:39

Board And so on.

00:03:41

They did not like me.

00:03:43

They told they put a rour in the in the in the town.

00:03:46

Ok. Saying we have got a young boy from Germany and

00:03:50

he calls himself professor. Ok.

00:03:58

Venkatarao. Come on boy, come on boy. Yeah ok.

00:04:02

Take your take your hair and do not mention, go on.

00:04:07

Ok. You are good like a father you know.

00:04:10

Yes. so, in fact Professor Venkatarao was the He was great.

00:04:13

Head of the Department for a very long-time .

00:04:16

He was great. He went to Africa then. Yes.

00:04:20

So, who were all the other German professors

00:04:22

who worked with you at the time?

00:04:23

Professor Lutz. Lutz.

00:04:26

He came shortly after me so.

00:04:30

Steam machines. Ok.

00:04:33

He was from Damstra.

00:04:35

Then Heitland. He came from Caltech.

00:04:42

And, Scheer he was here

00:04:45

long time earlier. Mechanical engineering

00:04:51

A tall fellow, he was he leaving

00:04:56

IIT later and went to Ethiopia.

00:05:00

And he got married there also.

00:05:02

So, I met him a few years ago,

00:05:05

he was spending the the largest portion

00:05:08

of his life in Ethiopia.

00:05:11

Ok. So, a very experienced you know worker.

00:05:15

Then, Doctor Koch in physics.

00:05:22

you know running the workshop,

00:05:30

Dr. Klein, he was in charge of languages, I guess.

00:05:37

I mean it was a a group of very different persons.

00:05:42

Ok. Very different you know.

00:05:44

We were the only young family.

00:05:47

I was only 30. Ok.

00:05:50

But it worked,

00:05:52

it worked no problem and from the beginning,

00:05:56

I had friends in in Germany. Trainees

00:06:00

who came to my institute in Germany to be trained,

00:06:05

even to do do their doctorate work. It was. Yes yes

00:06:09

Dr. Garud you know, he did his doctorate work

00:06:12

in my department and I also helped him.

00:06:16

Dr. Banerjee also Yes.

00:06:18

was here. So, when I came here

00:06:21

the first Sunday, I went to Adyar,

00:06:25

and I found the family of Padmanabhan.

00:06:29

Ok. Padmanabhan, I found his family on the first weekend

00:06:33

imagine, and from that time,

00:06:36

I visited this family nearly every week once.

00:06:42

Ok. Even now, I saw his sister Vasantha.

00:06:45

Ok. He returned to Germany; he worked for IBM.

00:06:48

Yes. Precision mechanic was his subject.

00:06:53

So, this was you know. Amazingly

00:06:58

I came in contact with those trainees,

00:07:01

and they took me over,

00:07:04

invited my wife and then,

00:07:07

they told me why don't you come with us?

00:07:12

So, I was I had my doctorate work ready so, I was open

00:07:18

to leave the Institute in Brunswick

00:07:22

and so, I decided to go. Ok.

00:07:25

So, I went to Bonn, I recontract, and waited and then,

00:07:31

Professor Klaus came, he came to see the trainees. Ok.

00:07:37

And they introduced me to Professor Klaus.

00:07:41

He was a project leader. Ok.

00:07:43

And they told him, my dear professor,

00:07:46

this is the chap who will go with us to Madras.

00:07:50

Then, he replied, which fool has influenced you to go over there?

00:07:56

Which fool? It was a joke you know. Yeah.

00:08:02

But this was this kind of joking.

00:08:08

So, you know I was shifted and prepared to go here.

00:08:13

Ok. By those friends.

00:08:15

Good. When I, when I came back to

00:08:18

Germany 2 years later, some of them were still there.

00:08:24

So, I was received again, and

00:08:27

I was honored saying 'foreign return'.

00:08:31

Ok. That means, he comes back,

00:08:33

he has a new car, he is rich now you know.

00:08:37

Foreign return. Foreign return.

00:08:38

You know that word?

00:08:42

Professor Mayer’s also came from Brunswick?

00:08:44

He came. Much later.

00:08:46

Yeah, yeah he came after me. Ok.

00:08:48

Shortly after, yeah yeah, he was from Brunswick

00:08:56

and he was here for a long time.

00:09:01

So, you have been coming here regularly,

00:09:05

how do you feel that IIT has progressed?

00:09:08

Now, you know I came here in; I came here in 18

00:09:14

1989, 91, 93, 2009, 2013, I guess in 2017 now.

00:09:25

You know you can judge about

00:09:30

development only after having a distance.

00:09:33

A distance of looking at it and knowing so, this time

00:09:38

I had a distance of 4 years. Ok.

00:09:41

And I found it has developed well.

00:09:43

It has been it has become larger and more students

00:09:48

and more whatever complex devices. I am really

00:09:55

happy about this development,

00:09:57

and I think you know after the first two years here,

00:10:01

it was declared that there had been four IIT’s.

00:10:05

Yes. This was number 1.

00:10:07

Number 1. And I hope this is still number 1.

00:10:10

It is number 1 in 2016. Yeah, Yeah.

00:10:12

Among all the 20 IIT’s.

00:10:14

Yeah, it is number 1 among the 23 IIT’s,

00:10:17

among all the colleges in the country

00:10:20

and the we hope to keep that number one in 2017.

00:10:24

It it was declared number 1 in 2016

00:10:27

and we hope to get it in 2017 also.

00:10:30

Ok. You know I am I am in a position to support India you know

00:10:38

because this is part part of my home,

00:10:41

it is in your home country

00:10:43

so, I like it as it is now,

00:10:47

but nobody will believe this is is this is

00:10:51

institution in India because

00:10:53

in the opinion of the majority of European,

00:10:56

India is a lousy country, you know.

00:10:59

Full of trouble and poverty and so on,

00:11:02

misusing girls you know in the newspaper. Newspaper, yes sir.

00:11:06

So, they won't believe,

00:11:07

but I I am convinced it is a country

00:11:11

where you have proper developments like this

00:11:15

and I will defend it, I will defend it

00:11:17

and say this is my truth about the country.

00:11:23

So, how were the classes held? What was the starting time?

00:11:29

Starting time? Yeah, for the classes?

00:11:34

I started to begin the to install equipment. Ok.

00:11:40

You know you had the buildings, empty rooms, the equipment

00:11:45

from Germany was in the store,

00:11:46

nobody had opened the boxes. Nobody.

00:11:48

So, I put them out, started to have early experiments,

00:11:55

then I had a large room to be installed with tables

00:12:02

and switching boards and whatever.

00:12:05

So, I had to go to the Director.

00:12:13

And ask him how should we do it, this way, this way,

00:12:17

he would always say no, no. This was his answer: no.

00:12:23

So, I left him and did it in my way. That means,

00:12:29

I had a long long room. Ok.

00:12:34

And I had two chambers, two chambers here, here

00:12:39

two of them and had the switching board above,

00:12:44

had the tables in the wall

00:12:46

and those tables were made of Bangkok Teak.

00:12:50

Oh. You cannot afford now.

00:12:53

Yes, we cannot afford. You have to buy Bangkok Teak.

00:12:57

Ok. Is Bangkok is in the next country?

00:13:00

Yeah Thailand, it is in Thailand.

00:13:02

Thailand no. Yeah.

00:13:05

No Thailand, Bangkok is in Thailand.

00:13:08

Marvelous, it they were built in the workshop here.

00:13:15

So, the workshop was run by an

00:13:17

an elderly people also, he also

00:13:21

like he was like my father. So, once I went to him

00:13:25

to have something and it was delayed.

00:13:31

He tried to help me and explained

00:13:35

you know boy like that you know.

00:13:38

You my boy, I must apology you

00:13:41

for not you know getting ready,

00:13:43

I did not know what is the word apology.

00:13:48

ok. Apologize .

00:13:49

Yeah. Apologize those you know old people,

00:13:54

there were like my father, it was so nice you know,

00:13:58

I was the youngest here, I was active and then,

00:14:03

this laboratory was ready, let us say 10 tables you know

00:14:09

2, 4, 6 and 10

00:14:12

ready-made and we we covered the the cables with with

00:14:18

thick face plywood. All were expensive.

00:14:21

So, then I called the Director, what happened?

00:14:25

All my mechanic would come. They would come,

00:14:31

they would they would hide themselves

00:14:37

behind the pillar you know. Waiting, waiting, waiting,

00:14:42

the Director came in looking at this this

00:14:45

room he never came back. He never came back. Came back.

00:14:53

So, we had to accept it, the it was against his own plans. Ok good.

00:15:00

He never came back.

00:15:01

So, do you recollect any of the Indian professors

00:15:05

at that time who joined along with you?

00:15:07

Remember you mean?

00:15:09

Other other Indian professors

00:15:12

who joined the electrical department?

00:15:14

Venkata, G. V. K. Murthy.

00:15:18

Oh, V. G. K. Murthy yes. Was in a nice, he was in

00:15:20

measurement technology. Yes.

00:15:21

He was very polite and very good staff .

00:15:24

Achyuthan was bad. Achyuthan.

00:15:27

Achyuthan was arrogant. Ok.

00:15:29

Really, he did not like me at all. Yeah.

00:15:33

So, the many of them. Banerjee was there?

00:15:37

Banerjee was there. And Narayan Rao?

00:15:40

Narayan rao. He did his PhD in high voltage

00:15:44

from Erlangen, I think.

00:15:47

V.G.K. Murthy was a very polite person I must say.

00:15:54

Ok. In your first visit, how long you were here?

00:15:57

I only stayed here for 2 years. 2 years ok.

00:16:00

But you know the appreciation of I got later during the visits.

00:16:09

Ok. Imagine, I came here in the year 89,

00:16:14

I brought my daughter with me.

00:16:16

My daughter was a linguist, a language

00:16:20

Specialist. Expert

00:16:21

in English and French.

00:16:23

she worked for the European Union in Luxembourg

00:16:26

in the German department.

00:16:28

And I took her to India for three weeks each.

00:16:32

We have been in Delhi and Bombay, in Nagpur and here and so on

00:16:38

and she she put lectures on

00:16:42

the aim on the purpose of the European Union.

00:16:46

In the age of 30 you know. Ok.

00:16:49

Young girl playing world policy

00:16:53

because Doctor Rao told me

00:16:55

why do not you take your daughter she would be an expert.

00:16:59

So, I she did , she had she posed lectures about

00:17:03

the European union in many places and without an official order.

00:17:09

It was a private talk you know with Yes.

00:17:12

over headphones and everybody clapped you know.

00:17:16

They liked it; they liked the way

00:17:18

how she did it, it was really great.

00:17:22

My daughter was number 1, I was number 2.

00:17:25

Ok. She was so open minded and she in all the places,

00:17:34

she was attracted by the by the girls you know. Ok.

00:17:38

She was you know among the girls

00:17:40

and they they took her into the girls hostel.

00:17:43

Oh Ok. I could; I could never enter you know.

00:17:45

Ok. But she she would see everything you know,

00:17:48

all the mess inside you know.

00:17:52

It was so nice to have her with me. So, when she came back,

00:17:55

She remembered old old times when she was here when you are young?

00:18:00

Did she remember? Yeah yeah.

00:18:02

All; all time here. She she came here in she was 4 years old.

00:18:08

Ok. 59, 63 yeah 4 years.

00:18:12

Ok. And she was so clever. Imagine

00:18:16

in the year 65, she was as 5 years old you know

00:18:20

and once, we went to Vasantha’s house in Urur, Adyar. Ok.

00:18:28

ok. We came there in the afternoon after the lunch

00:18:31

so, we came into the court behind the house and

00:18:36

there were some leftovers from the, from the lunch

00:18:41

so, what she declared: aunty Laxmi, you your house is dirty.

00:18:48

You must wash the crockery. Ok .

00:18:53

In the year of 5 you know imagine. Yes.

00:18:55

So, proud and safe and yes aunty Laxmi, she is right you know,

00:19:01

she is right yes, she is about my style somehow.

00:19:08

So, when you came in 1963, was there this much amount of trees

00:19:17

or the institute was so many trees were there or not so many?

00:19:24

Imagine it was still, it was unique in in in India of course,

00:19:34

I saw I I see for talk somebody has invited me there,

00:19:43

but you know this a combination of

00:19:46

living areas and institute and wildlife,

00:19:50

it is unique you know

00:19:55

even according to to European measures,

00:19:58

this is the paradise. My opinion you know. Yes.

00:20:06

It is a paradise in India all together,

00:20:11

living area, hostels, institutes nobody will believe this

00:20:18

in Germany. Nobody believe.

00:20:21

So, how many students were there in the class at the time?

00:20:28

There was a convocation in 64.

00:20:31

The first group of, batch of engineering you know.

00:20:36

I mean leaving the school 50 or 100 like that you know. Ok

00:20:46

No, when you are teaching the students,

00:20:48

how many students in your class?

00:20:51

It was a the section for on high frequency communication. Ok.

00:20:58

So, my lessons were for 20 people. 20 people.

00:21:04

Like this and I had four diploma works conducting the work. yeah.

00:21:10

And so, four experts decided to be with me, and

00:21:16

this was something new for the remaining teachers

00:21:20

and I had because I came from a television in Brunswick,

00:21:26

I had talks in in other schools in in in Madras

00:21:32

about the basic theory of colors you know.

00:21:37

The color television you you mix three elementary colors

00:21:43

red, blue, yellow whatever

00:21:46

and you then create any kind of shade

00:21:49

so, I explain this people here, the theory of mixing colors.

00:21:56

If you you know in the 65 this was new, there was no

00:22:00

there was no, no color television at all.

00:22:02

No color television in in Europe,

00:22:03

it was after 70 only,

00:22:05

it was something new even for other schools also.

00:22:10

So, the institute had a television laboratory at that time?

00:22:14

Here? Yeah,

00:22:15

No, no. No.

00:22:16

Not there. Not even no receiver here.

00:22:18

Ok. In Germany, we had a close relation to RCA.

00:22:23

Ok. In America and the RCA, they have built the first color tubes

00:22:28

you know huge devices like this you know, like this,

00:22:33

the first receivers were the tube

00:22:36

was flowing up and there was a mirror.

00:22:38

So, you should look at the mirror and down. Ok.

00:22:42

Very complex device.

00:22:43

So, this was in the year 65, this was new.

00:22:48

The installation of this was only later.

00:22:52

And I, I learnt the technology of color television

00:22:59

in in in in my doctorates work. So, like just to have talks,

00:23:10

it was nice to have, it was nice

00:23:12

to have something special you know

00:23:14

which was new, but the real,

00:23:18

my real basic education was in Siemens then.

00:23:22

Siemens. You know I joined Siemens in the year 50, 60 65

00:23:29

I had a good start and the the the best

00:23:34

education here was the language.

00:23:36

You know I even now, after 10 days, I start thinking

00:23:43

and and and sleeping and dreaming in English. English.

00:23:49

But how how difficult it was it was when you came from

00:23:52

Germany to teach in English? It was not difficult.

00:23:55

No, Yeah.

00:23:56

I was open enough. Ok.

00:23:58

So, the language now you know I came to Siemens,

00:24:02

it was the beginning of computer science.

00:24:05

So, all my colleagues there were educated for

00:24:08

you know ordinary electrical material, but not for. Computer Sciences.

00:24:15

To build large computers you have to speed up. Yes.

00:24:19

So, it is a question of the transmitting pulses, transmitting

00:24:23

electromagnetic waves along printed lines.

00:24:26

So, this was new for everybody.

00:24:29

But I I came from communication you know. Communication so you

00:24:32

I was prepared you know to to have a multilayer

00:24:36

boards and have really transmission of pulses

00:24:42

and not only 1’s and 0’s, there was a difference.

00:24:46

So, this I learnt in in the University of and then, my language.

00:24:51

I was very good in English, and this helped me a lot because

00:24:58

I had to go to America very often to meet other companies.

00:25:03

When I came there, Motorola, other companies my boss was with me

00:25:08

my boss was at my side so, he would talk.

00:25:12

When I came alone, I would talk,

00:25:16

and they like they liked me you know to be the guest.

00:25:22

Once I had to step down in Zurich

00:25:26

to change the plane and a chap from Motorola came from London

00:25:32

and he asked me where are you going?

00:25:34

Yes, I am going to we are going to

00:25:36

Phoenix, Arizona, he got pale,

00:25:40

and declared you are known as a tough negotiator.

00:25:47

Be careful he is coming again. He knows it.

00:25:53

This fellow he knows it not only 1’s and 0’s.

00:25:58

It was such a close relation

00:26:01

when I came the big shots came to talk to me

00:26:06

because I knew the details you know,

00:26:09

I was from communication and

00:26:12

once I asked him can't you

00:26:16

show me your equipment to test these devices you know,

00:26:21

can't you show me your automated testers.

00:26:24

So, they would look around like this and like this, you can go.

00:26:29

So, I was allowed to go to the lab and see it. See.

00:26:33

And then, I I built my own testers at home. Oh Excellent.

00:26:37

After learning how to do it and my own testers

00:26:40

were much better than those you know?

00:26:45

This is the way to be trusted. Ok.

00:26:48

So. When companies who work together,

00:26:50

you have to be open. Yes, I understand.

00:26:53

In both directions otherwise,

00:26:54

it is it not true. This I learnt

00:26:57

because it is through the language you know,

00:27:00

I was prepared to declare everything precisely.

00:27:05

So, after you went back to Brunswick, you rejoined the University of

00:27:12

Brunswick? No, no. No. I went to Siemens.

00:27:14

Oh you didn't join the.. Directly

00:27:16

No, it was over. It was over. It was over. Ok.

00:27:21

So, apart from you, who else came from Brunswick?

00:27:27

Meyer. Meyer, only two of you?

00:27:30

I I I knew Meyer from many years. Yes,

00:27:35

I I also know Professor Meyer . You know.

00:27:38

In fact, when I went to Brunswick, I stayed in his house for 1 day. Oh really?

00:27:42

Yes. Oh oh.

00:27:43

So. Now, he lived close to Hanover.

00:27:46

Yes. He was working in another school there

00:27:49

I know. he he was working in Hanover.

00:27:50

Yeah. As a Emeritus Professor.

00:27:57

So, how how was life in the evenings? Here?

00:28:03

Even after. you could you you have shadowed trees

00:28:08

from the beginning, you could you could walk.

00:28:12

The children they played in the in the court behind the house.

00:28:18

It was there, there was a tree with shadows.

00:28:21

They played in the sand, no infection, nothing.

00:28:25

You know at home, what about your how can you.

00:28:29

When we left Germany in the 60s,

00:28:32

many friends came to the railway station.

00:28:36

How can you be so cruel and take your small kids to India.

00:28:41

Oh, how can you, nothing happened. Nothing happened.

00:28:47

Nothing happened. There was no danger. Ok.

00:28:52

No, what I wanted to ask was

00:28:54

whether the German professors were together, you were

00:29:00

having some kind of an activity together at the time?

00:29:05

You know Rouvé was there. His wife was intelligent somehow.

00:29:12

And he also came I think he came from near East to Madras.

00:29:18

So, he was, he had worked in other countries you know before,

00:29:23

he was an experience you know worker for outside countries.

00:29:27

Rouvé was there and, but you know we we we stick to friends

00:29:33

outside of the IIT. Ok.

00:29:35

Vasanta for example, I have met her some days ago.

00:29:39

And we were invited to to my co-workers, there is Chester in Velachery. Yes.

00:29:47

He was my assistant, my foreman was Rangachari.

00:29:53

Ok. And he was relative of Sampath.

00:29:58

So, the problem was Rangachari liked me,

00:30:02

Sampath didn't like me. Ok.

00:30:05

But Rangachari was supporting me.

00:30:08

You got huh? Yes, I understood.

00:30:11

He was supporting me.

00:30:13

He came to Germany for training for some some months

00:30:17

and he came to my house also. So, these two years

00:30:21

they have opened my mind. Ok.

00:30:26

You know I have been travelling

00:30:30

to other countries. I have been travelling to Syria and Iran.

00:30:38

I came here also to see schools

00:30:43

to see schools in Delhi and Bombay

00:30:49

and Nagpur especially in Rajkot.

00:30:52

So, because I knew Kathiawar is a remote province

00:30:57

so, how to go to Rajkot, so, the message was this.

00:31:02

I would call in Nagpur, dear Garu (incoherent) Yes.

00:31:07

can't you help me, have you got a friend in Rajkot

00:31:12

who could was invite me. Let me think.

00:31:16

After two days calling back,

00:31:19

I talk to Balakrishna, you should come. Ok.

00:31:24

That's all. That's all.

00:31:25

This was the invitation on many places like this so, I came.

00:31:31

I had to go by plane from Bombay, but on that day, no flight was going.

00:31:40

So, what to do? I went out of the airport, domestic airport

00:31:46

and asked the taxi drivers how to go.

00:31:49

They put me to another airport in Bombay,

00:31:52

I used to drop the ticket,

00:31:55

bought a new ticket and flew over the ocean

00:31:59

in two hours to Rajkot. Ok.

00:32:01

Sitting between the propellers like this. Ok.

00:32:05

We landed, nobody to receive us

00:32:08

so, we rushed into the institute,

00:32:12

rushed up into the main hall,

00:32:15

seven professors were waiting there,

00:32:17

pale face telling me you should not be here.

00:32:23

There has been no plane today. Ok.

00:32:29

And then you are an experienced traveler to find another plane.

00:32:35

So, this was this I learnt this you know, I have been in in Pakistan also. Oh.

00:32:42

To see schools and to study culture. I have been in Islamabad.

00:32:47

And in Taxila and in Lahore of course also.

00:32:54

Placing electra, living in a guest house and being guided for culture

00:33:02

and in Islamabad, it was like that.

00:33:08

You cannot imagine I was in Islamabad and Tehran and

00:33:14

Avas in the south of Iran. So, did you visit your house again

00:33:20

in second cross road when you this time? Yeah, with my daughter I visited you know.

00:33:26

Let me explain this. A professor was taking me from the airport

00:33:32

and then, he drop me, within half an hour I will pick you up,

00:33:36

we will have dinner together. So, then, in the car, driving

00:33:42

what would you like to eat this and this and this,

00:33:46

shall we go to the hotel?

00:33:48

No, we will go home, we will go to my home.

00:33:52

So, a a door of this side was kept open,

00:33:58

if the car was shifted in the door was closed from the street,

00:34:02

lady was waiting, they had been in England for many years

00:34:06

so, I was taken in. There was table like white table.

00:34:13

And said if you now we should have the tappas first on the table here,

00:34:18

I told him we shall have the tappas on the ground as you take it usually.

00:34:25

So. So, I had to put on the ground.

00:34:28

Ok. Having tappas.

00:34:29

Then, I managed to stand up again like this. Ok.

00:34:33

And they came where should have the main dish at the table

00:34:37

in the next room, I told we should have the main dish again

00:34:41

on the ground. Ground ok.

00:34:44

So, from day one, you are the Tamilian, you you had to.

00:34:50

You know one has; one has to observe certain rules but.

00:34:56

Yes. This was the the first experience. You know

00:35:00

to eat like a Muslim people in. People here in Tamil Nadu.

00:35:04

The first experience. Yes.

00:35:06

It was so good. Ok.

00:35:11

In the morning, they they they took me from the guest house

00:35:16

say at 8 o'clock 8:30, they declared

00:35:21

and now, we shall have first,

00:35:23

we should have some coffee and tea,

00:35:25

I told we shall go to the to the lecture hall immediately

00:35:31

because we should not keep the

00:35:32

young people waiting. Student waiting.

00:35:39

So, it was deviating from the normal vote

00:35:45

you know, but they also accepted it

00:35:47

because it was; it was good. Yes.

00:35:49

These young people were my guests you know.

00:35:55

If you come in to those countries,

00:35:57

you are a unique surprise you know for people. Yes.

00:36:01

If the only one who ever comes to Avas in the South far South,

00:36:07

you have the famous David, a Saint who was supporting the rulers,

00:36:16

he was giving good advices, David in the lions bit.

00:36:21

Once another nobleman, he would declare David is a bad man

00:36:28

so, he was put into the lion’s pit, but the lions would

00:36:32

continue sleeping and go on. They would not eat him.

00:36:36

Ok. Because he was a good man. And that is this for I was put in lion pit.

00:36:41

Immediately, it was destroyed. David the advisor. Yes.

00:36:48

Very far south and this was before the war you know Syria was

00:36:55

in peace and Iran also, it was in the 90’s.

00:36:59

So, it was no not dangerous as it is now. When you were in here during 63 to 65?

00:37:09

60. Yeah.

00:37:10

Did you go anywhere in within India? We spent 4 weeks in Munnar.

00:37:19

Oh Munnar. That is close to Cochin.

00:37:21

Yes. This was, it was the old colonial time.

00:37:24

Because there were still a in Munnar, there were

00:37:28

still 30 British farmers.

00:37:32

And only 1 Indian farmer. Indian farmer.

00:37:35

So, it was still the old way, and we were

00:37:39

we were visitors and they liked to you know spoil us and and

00:37:46

a large guest house and so on, we had to food with them.

00:37:52

And especially, there was

00:37:54

there was on Thursday, there was a lady’s day.

00:37:58

So, all the ladies from farms

00:38:02

with their children came in with them maidens also

00:38:05

a lady’s day; so, we were taken to the ladies

00:38:09

and they told old stories from centuries ago,

00:38:15

they told old stories, we had to look and to listen

00:38:20

and there was one story there was one one lady called Mary

00:38:26

and she was they didn’t like Mary,

00:38:29

but they told us you know this Mary

00:38:31

once the British queen came to India

00:38:35

and this ugly Mary, she was;

00:38:39

she was she was able to be in the first row.

00:38:43

Ok. We were in the last row,

00:38:45

isn’t it a shame that Mary was in the first row close to the queen.

00:38:52

They told the story 4 times. Four times Each Thursday.

00:38:57

And the gents, Saturday being brought with their driver

00:39:04

in the main hall come on board so, I had to take a round,

00:39:08

sit there, drink beer. At my side, you would pile up in full bottles

00:39:14

and at their side, they would pile up empty bottles you know.

00:39:20

Will old time and then, bar and then, the dinner between 8 and 10

00:39:29

and then, at 10 o'clock closed and the drivers would take the

00:39:35

the boss into the car, and they would drive out hours,

00:39:38

many hours to far remote you know

00:39:41

forms every Saturday it worked.

00:39:46

It was the old you know the old British atmosphere

00:39:50

and once I I we visited the farms also with my family. Because

00:39:57

it was new for them you know, young family coming as friends.

00:40:02

So, once I went up into the Kundadri estate, it was very high,

00:40:07

it was the best quality of tea

00:40:10

and there was a golf place playing golf

00:40:16

and only for the manager of the institution and his friends.

00:40:21

So, I was put there, and they received me immediately

00:40:25

and took me in and the manager then had a large room and

00:40:30

I was placed here and used to there, there main order.

00:40:35

And I had to eat there and then, it was 10 o'clock

00:40:39

and then, we are what about your wife?

00:40:42

Is she is she informed about you being here, give her a ring.

00:40:48

So, I ring up my wife, it was far out. I my my dear wife,

00:40:55

they keep me here. I cannot leave immediately. Ok.

00:40:59

It will take some hours my wife, stay where you are.

00:41:04

And those steps, they declared. In my in my case,

00:41:10

I would do this at 10 o'clock, I would say I will come at 11,

00:41:15

at 12 o'clock every day, I come at 1 and so on. Good advice no.

00:41:21

Good advice. It was a nice time those four weeks,

00:41:26

a different time, but it was very nice.

00:41:31

So, we went through Bangalore.

00:41:33

We we had the priest here, Lutheran priest

00:41:37

and my younger daughter was

00:41:39

baptized there in Kilpauk. Oh ok.

00:41:46

But at the end, I broke my leg. Oh,

00:41:52

when you were here? Kuppuswami a mechanic.

00:41:55

Yes. He took me to his village.

00:41:57

Ok. In Pudukkottai so, so we were received by the Major and

00:42:05

taking around and then, the Major invited me

00:42:08

come for Pongal in January 65.

00:42:13

So, we went there for Pongal, we enjoyed the procession,

00:42:17

I came there along with aunty Laxmi from Urur and Kuppuswami.

00:42:23

So, I enjoyed the procession is this the bridge,

00:42:31

I was standing here with camera.

00:42:34

I had a tape recorder and the camera.

00:42:37

Ok. And I was following the procession and I didn't know that

00:42:42

there was no no more bridge. No more bridge.

00:42:44

I had to jump down 3 meter.

00:42:48

Oh. There was no water, I want to had to run down to the rocks.

00:42:53

Ok. So.

00:42:56

Was it; was it a major fracture or? Procession was over.

00:42:59

Ok. They came down and put me up.

00:43:03

Ok. 4 years ago, I was in the village.

00:43:07

Oh, you came went again to the village. Again.

00:43:10

An old farmer came

00:43:12

from his house and told me I have. Lift lift.

00:43:18

Taken you up. I tried to go to that village last week. Ok.

00:43:26

But we could not find the address.

00:43:28

Oh. Ok. So, I was taken to hospital. It was this parts, this piece here.

00:43:39

Yeah yeah. Broken off so, they had to fix it.

00:43:42

Ok. Operational of

00:43:44

Operation. showed me. Then, I was at home and doctor,

00:43:50

my wife was upset of course, you can image. Yes sir.

00:43:53

I came I came back, they had to take, I could not drive.

00:43:58

A bus driver from the next village, they came and they took me up

00:44:02

and we reached hospital and at 12 o'clock with the night,

00:44:06

I was examined full body you know next morning, examined again

00:44:12

and my wife was you know very sorry, but it was; this was

00:44:18

a very important time because I was in the general ward,

00:44:22

there was no private room available. There were 20 gents

00:44:29

on this side and 20 here. 20 here.

00:44:31

So, nobody could speak English except one merchant.

00:44:36

Ok. So, where do you come from?

00:44:39

Germany, Germany, Germany, Germany, Germany, Germany, Germany, Germany.

00:44:43

Yes. Then, how many children have you got?

00:44:45

Children, children, children, Children, Children. It was nice. Ok .

00:44:49

Behind my neck, there was a wall this side. And behind this wall,

00:44:56

there was a general ward for the ladies. Oh.

00:44:59

So, one lady had fallen from the bed. Oh.

00:45:03

And couldn't be cured.

00:45:04

So, day and night. Ok.

00:45:12

Soon after 4 days, my wife told the doctor,

00:45:15

please get my husband home. Home ok.

00:45:20

So, the She was staying with you there?

00:45:22

She was staying with you there? No, no she brought; she brought the food.

00:45:26

Oh. Ok. There was no kitchen.

00:45:28

Ok. So, I was taken home and.

00:45:33

So, he came every afternoon this week, had some whiskey

00:45:37

with my wife, then came up to checkup. So, this was again

00:45:42

a very impressive time you know. Yeah.

00:45:45

It it works nice because

00:45:47

when I came to Brunswick, it was done well

00:45:50

they used they used a sort of nail to put it back you know

00:45:57

it is called Kuntscher name so, it was Kuntscher nail.

00:46:01

Ok. It was invented by a German doctor.

00:46:06

Doctor. Surgeon, German surgeon and still also, I have connections

00:46:11

to this this family by like. Oh. Ok.

00:46:13

He he was living in Santhome.

00:46:16

But I I could not find their house.

00:46:19

Yeah, city has changed a lot. He had; he had a daughter and 3 3 boys,

00:46:26

but in the his name is Bashir Ahmad,

00:46:30

there are about two thousand Bashir Ahmads here in the. Yes.

00:46:35

So, this is the additional impression you know from India,

00:46:39

bad and good, interesting and whatever risky. It is the faith.

00:46:47

How can you know that there is no railing, I didn't know.

00:46:50

And I was following the procession and turning around. Procession.

00:46:56

I have carried you up after 50 years. That's really nice.

00:47:08

You know the the real basic culture is in the villages.

00:47:20

Even last week I went to the village of the cook here.

00:47:25

And they are so in their, they are so close to our villages

00:47:31

you know, not spoilt and in in in one generation rising from

00:47:38

a farmer’s boy to school teacher and next generation

00:47:44

rising from the school teacher to an engineer in England

00:47:48

or an America. So, within two steps you know from the ground,

00:47:53

it's fantastic. Fantastic. Ok, thank you.

00:47:58

It's very wonderful talking to you, right.

Oral History Project

< Back

Prof. G. Subramanian (Retd. faculty, Aerospace Engineering) in conversation with Hari Ramachandran (student)

00:00:11

Good morning Professor Subramanian.

00:00:13

Yes.

00:00:13

Now, let us begin.

00:00:14

You joined IIT Madras in 1966

00:00:16

as a lecturer in the Department of Aeronautics and Applied Mechanics.

00:00:19

What made you join this department

00:00:20

that was so young and so small and just upcoming?

00:00:23

Yeah, I was young myself.

00:00:25

Yes, sir.

00:00:26

And, the young department where I could enter,

00:00:30

there was an opportunity available,

00:00:34

and I had just finished my master's programme

00:00:36

in Aerospace Engineering from IISC, Bangalore.

00:00:40

When the advertisement came,

00:00:41

it looked a good opportunity for me to join the programme. Yeah.

00:00:45

Another reason also is there,

00:00:48

I always liked to do research

00:00:52

and then, I found research and teaching had to go together.

00:00:58

So, I had to look for a teaching position in order to do research,

00:01:02

and this turned out to be a nice opportunity.

00:01:07

I was able to convince my interviewers that I was good

00:01:10

and so, I got it,

00:01:12

that is the way it was.

00:01:14

Yes.

00:01:17

So, you had completed your PhD under Dr. K. A. V. Pandalai.

00:01:23

Yes. So, could you could you describe him

00:01:26

as a teacher and as a person and some of your memorable learning experiences with him?

00:01:31

Yeah, Professor Pandalai was an extremely nice person,

00:01:36

and he was a great mentor for me,

00:01:40

but originally, I was not planning to do PhD with him,

00:01:43

because in 1966, when I joined the department,

00:01:48

the department was called Aeronautical Engineering and Applied Mechanics.

00:01:54

In fact, the German aid was not available

00:01:57

for the Applied Mechanics department-for the Aerospace department,

00:02:00

but, for the Applied Mechanics department it was available therefore,

00:02:04

the aerospace-that is the Aeronautical Engineering programme was

00:02:09

brought under the Applied Mechanics department

00:02:11

for the BTech Programme.

00:02:13

Even the BTech students started joining this programme at their 3rd year

00:02:18

because Mr. Shantha Kumar,

00:02:20

Professor Shantha Kumar, who was interviewed a few..some time back.

00:02:24

He was in the Civil Engineering programme and then, in his 3rd year,

00:02:28

he moved over to the Aerospace department-Aerospace programme.

00:02:32

So, likewise, a few students who liked the aerospace idea,

00:02:37

Aeronautical Engineering idea in that day, in those days,

00:02:41

they moved over to-

00:02:44

they moved over to the

00:02:47

Aerospace programme or Aeronautical Engineering programme

00:02:50

as it was...because, I want to make a difference between-distinction between

00:02:54

aerospace and aeronautical engineering.

00:02:56

It was started as an Aeronautical Engineering programme

00:02:59

later on, called as a Aerospace Engineering

00:03:01

with the aerospace content introduced in it.

00:03:05

So, in the first...about 2 or 3 years,

00:03:11

the Head of the Department of Applied Mechanics was Professor D. V. Reddy.

00:03:15

My plan was to work with him

00:03:18

because he was the head of the department, he was the

00:03:20

only available PhD scholar at that time for doing PhD.

00:03:25

So, I moved in with him,

00:03:26

and I started working in the area which was closed to him,

00:03:30

difference equation methods in structural mechanics.

00:03:35

But then, what happened was,

00:03:38

he for some reasons he

00:03:40

left the institute and then went to Canada,

00:03:43

and what he said was that,

00:03:45

he had spoken to Professor Pandalai who had joined in,

00:03:48

and that he could take me as a

00:03:51

PhD scholar.

00:03:52

So, that is how it happened. The transition took place

00:03:56

and Professor Pandalai also was an Aeronautical Engineer

00:04:00

from VPI - Virginia polytechnic,

00:04:05

and so, it all just came about that way.

00:04:09

So, I began working with him,

00:04:12

you asked me about his characteristics.

00:04:15

Right.

00:04:16

Extremely brilliant teacher.

00:04:19

Many things I learnt from him,

00:04:21

with just one course he taught on applied essentials.

00:04:25

And, in fact, teaching itself I started honing

00:04:29

when I looked at him, the way he presented.

00:04:32

So, that way he was good.

00:04:34

He also, was taking over the job of editing

00:04:38

aeronautical..that journal of aeronautical engineering,

00:04:43

we used to produce some publications for it,

00:04:47

I went and submitted a paper, of course, him and me as the authors.

00:04:53

And he said, "why are you working in exact solutions all the time?"

00:04:58

But, that was my favourite.

00:05:00

I said, "I like it." No, but in practic,e exact solutions are usually not enough,

00:05:07

you have to go in for even approximate solutions," that is what he said.

00:05:10

So, that triggered me.

00:05:13

Another time, what he did was

00:05:18

we were working with him and initially,

00:05:20

I was planning to work in the area of shells,

00:05:24

and what happened was,

00:05:27

some time in between, he was planning to leave and go to US for a year.

00:05:33

He called me and said,

00:05:35

"why you want to work in the area of shells?

00:05:37

you already have publications in your own area

00:05:40

which you started with Professor Reddy,

00:05:42

go ahead and do it, that is also structural mechanics," he said.

00:05:47

And so, he completely handed over the freedom to do research in this area,

00:05:53

I appreciate it because,

00:05:55

he found that I was able to do something in that area,

00:06:00

and that was his brilliance -

00:06:02

he could identify who could do what,

00:06:05

and that gave me so much freedom and also convenience that

00:06:09

before he returned,

00:06:11

I really came up with lot of material for PhD.

00:06:14

And he said, I gave it to him,

00:06:17

he looked at it and he is a mathematics person basically,

00:06:20

who became an engineer later

00:06:21

when he went to be VPI.

00:06:23

"These are all mathematics,

00:06:26

put in some applications-

00:06:28

engineering applications," he said. I took another year to do the applications.

00:06:32

It also happened that,

00:06:35

those days, computers were not available.

00:06:38

Some computers were available in Guindy Engineering College,

00:06:42

and also AC-Tech.

00:06:43

And whenever we wanted to do some computation,

00:06:47

we had to prepare decks of cards

00:06:50

send it through a messenger who was available in the library,

00:06:53

it will go there and get examined,

00:06:58

the output will come,

00:07:00

we will look at it make corrections and the next day we send.

00:07:04

So, this is the way.

00:07:06

In fact, it took me a nearly year before I completed my work,

00:07:11

and presented it for a PhD.

00:07:13

But then, he was a great person.

00:07:16

He also understood what I was capable of, I did not know myself.

00:07:22

He made me the joint secretary of the Joint Entrance Examination programme.

00:07:28

In fact, I became a joint secretary then, became a secretary

00:07:32

then completed my exercise

00:07:34

with the joint. In those days, the programme was,

00:07:37

there will be a chairman and secretary.

00:07:39

The chairman, at that time, when I was involved

00:07:42

in IIT Madras, was Professor Chandrashekhar Swami,

00:07:45

who became the director later.

00:07:47

So, we were the team,

00:07:49

and in 1975, I was involved with the joint entrance examination work.

00:07:54

He could see

00:07:55

that, I was able to do it, most of the time I did not see many things myself,

00:08:00

others started seeing many things in me.

00:08:03

Is it also true that

00:08:05

Dr. A. P. J. Abdul Kalam is a student under him at some point of time?

00:08:11

Yes, he...Dr. Abdul Kalam,

00:08:14

he did his BTech Programme at MIT -

00:08:19

Madras Institute of Technology.

00:08:22

He was doing his aerospace engineering, at that time,

00:08:25

Kalam was one of the students.

00:08:29

So, many of your early publications were based on Moire’s method.

00:08:32

Please tell us

00:08:33

how this came to be and how extensively was this method used?

00:08:37

I was not confining myself to only experimental work,

00:08:42

as it seems to look, the way you are asking me.

00:08:48

I did both experimental and theoretical work.

00:08:52

Theoretical work was, I had shifted to..

00:08:55

like Professor Pandalai said, I had shifted to approximate methods,

00:08:59

finite element method is an approximate method,

00:09:02

but, it has potential to give very good results,

00:09:05

and that was the one which was computer oriented

00:09:09

and I had begun working in that area.

00:09:14

Whereas, Moire method is the experimental one.

00:09:17

We had to develop the laboratory and Professor Pandalai said,

00:09:21

to every one of the faculty members,

00:09:24

"all of you must come up with

00:09:25

two or three experiments in the laboratory

00:09:29

and put up an experimental facility.

00:09:33

And, every one of us began planning some experiments

00:09:38

and so, the workshop was at our disposal,

00:09:42

we went in and then, started designing and putting up an experimental setup.

00:09:48

So, that way, I would design three,

00:09:50

another colleague of mine would design three,

00:09:51

like that about 30 experimental things were brought up, built up

00:09:57

and later on, when I took over as the

00:10:00

in charge of the laboratory-structure laboratory,

00:10:03

we weeded out some of the experiments which could not be really sustained

00:10:07

and then, selected about 8 to 10 experiments which were okay

00:10:11

and then, that became the basis for

00:10:14

the laboratory experiments for the students subsequently.

00:10:18

That means that, I got involved in the laboratory development.

00:10:23

And, there was always a talk saying that, if we purchase a photo elastic

00:10:28

bench or something, they say, because funds were limited in those days,

00:10:34

they say, it is there in the Physics lab

00:10:36

it is also there in the Civil Engineering department

00:10:38

why do you want to duplicate like that.

00:10:40

So, what I thought was, let us do something where

00:10:43

it will be different.

00:10:44

So, I thought up about that,

00:10:46

and Moire became my kind of a starting point.

00:10:50

So, I liked it and I also gave couple of lectures for Professor Sirohi.

00:10:56

Professor Sirohi is the person

00:10:58

who became the director of IIT Delhi subsequently.

00:11:04

He was in charge of the Engineering Design Centre

00:11:07

which was having a lot of equipment

00:11:09

brought in by German interaction.

00:11:13

And they make lenses, they have..a lot of optical work they could do,

00:11:18

the fine work, fine techniques, that is what it was.

00:11:22

He used to invite me to give lectures in the area of Moire

00:11:26

for his summer programmes.

00:11:31

So, that way I started interacting with him.

00:11:34

I thought, why not I develop Moire laboratory?

00:11:37

And, that became the basis for that.

00:11:39

Then, I engaged some of the BTech students and MTech students to

00:11:44

interact with me and also develop some things,

00:11:47

in the process, we started also publishing a few basic things,

00:11:51

that is how it began.

00:11:53

But, the important thing that came about in Moire method was,

00:11:56

one with Krishna Kumar,

00:11:59

MS student,

00:12:01

who went on later to Australia and he is a professor somewhere,

00:12:05

and we came up with a nondestructive testing idea

00:12:11

using the Moire method, which is still an unusual method

00:12:16

which really shows the

00:12:19

defects in the products

00:12:22

easily by an optical procedure -

00:12:25

reflective Moire, that is what it is called

00:12:28

so, that is what came up.

00:12:31

During the early and developing stages of the department

00:12:35

what difficulties did you face in your research while

00:12:38

the structural labs had to come up,

00:12:40

and where was most of the experimental work conducted

00:12:43

in the early few years considering that funds were low?

00:12:48

You see, it is true,

00:12:53

but, my experimental work I did in the department,

00:12:56

we built up the facilities,

00:12:59

basic facilities which were needed were not so much,

00:13:03

ordinary lenses

00:13:05

and some things like that we started working.

00:13:08

And, this fine techniques laboratory,

00:13:10

they used to supplement us with some equipment,

00:13:15

I mean, the small ones I needed. Really, Professor Sirohi and Kothiyal,

00:13:18

they were very helpful.

00:13:21

But the structures laboratory was coming up,

00:13:24

and in the initial stages,

00:13:28

the Department of Metallurgy and the Department of Applied Mechanics,

00:13:32

Civil Engineering, in those places where giving..

00:13:35

facility offering or

00:13:38

making available the facilities of their laboratories

00:13:41

for our students to go and do work.

00:13:44

So, that is the way it happen.

00:13:47

So, these people, when they had this laboratory work to be done,

00:13:51

some of the basic work

00:13:53

was being done in the metallurgy laboratory

00:13:56

for structures and things like.

00:13:58

So, Applied Mechanics and Metallurgy department

00:14:02

and Civil Engineering department,

00:14:03

they were able to offer facilities for the students in the initial stages

00:14:07

and then, we were developing our own laboratories and then bringing it up.

00:14:12

So, tell us about the number of projects

00:14:13

that came to your department during your career,

00:14:15

and among the projects that you were associated with

00:14:18

which were the more interesting and the challenging ones?

00:14:23

Yeah,

00:14:27

not many projects came about,

00:14:31

I mean, involving me directly.

00:14:33

But, there were many colleagues who were having plenty of employees.

00:14:37

But, during the period,

00:14:39

you know, the German aid was not available to the department,

00:14:43

but then, a French aid was available which Professor Pandalai saw through.

00:14:48

In fact, he was instrumental in getting the French aid

00:14:51

as well as certain award from the government

00:14:56

with which he began a setting up the FRP centre.

00:15:01

It is his brain child, it is his own thing,

00:15:04

I was not involved in that.

00:15:07

But, you were asking me about the

00:15:11

I just missed the point.

00:15:13

Interesting and challenging projects.

00:15:14

Yeah, project, challenging projects.

00:15:16

See, the AIRDB was starting to allot projects, allot funds for projects,

00:15:22

when we made a request for project funds.

00:15:27

It was just coming up,

00:15:28

even these ideas were only coming up at that time,

00:15:32

you know, the institute used to get some funds from the government,

00:15:36

institute apportion funds to the various departments,

00:15:39

and depending on the departments ability to grab funds,

00:15:43

things were coming into the to the various departments at that point.

00:15:49

The question of projects and things like that,

00:15:51

those ideas started culminating into projects,

00:15:55

for funds, funds for projects only later.

00:15:58

So,

00:16:01

you cannot say many projects came about during that period,

00:16:07

but then, later on, the trend became

00:16:10

rampant and then projects came about.

00:16:12

So, that is the way it was.

00:16:13

So, with, with whatever we had we started working with it,

00:16:17

with whatever funds we could get.

00:16:19

So, our experiments were done in such a manner that they required

00:16:23

minimum, minimum expenditure and also maximum benefit

00:16:28

as it were. Therefore, the fundamental work was being done

00:16:32

where we needed much less input in the form of funds.

00:16:36

So, that is a way we managed the whole issue.

00:16:41

So, so the FRP centre, you said it to was Professor Pandalai's brainchild.

00:16:46

Yes. But, who..like, how did it come about?

00:16:49

Was it was it purely his idea and not the other faculties associated with it,

00:16:54

how did it come about?

00:16:56

No, it was he wanted a composite centre and therefore,

00:17:00

he, he thought about it and then got funds for it.

00:17:04

The French group could give some support

00:17:08

and the he, what happened was,

00:17:10

the Department of Aerospace Engineering had its own workshop

00:17:14

and the facilities of the workshop were also made available to the FRP centre

00:17:19

because it was his centre,

00:17:22

and that is the way it started growing.

00:17:24

Then, it became somewhat independent centre subsequently.

00:17:28

Professor N. G. Nair was involved in that,

00:17:32

Dr. N. G. Nair - N. Gopalakrishnan Nair.

00:17:35

So, he was made in charge.

00:17:37

Professor Pandalai was controlling from the other side

00:17:41

so, that particular centre began growing up.

00:17:45

I didn't have much to do with that.

00:17:48

So, were there any special projects

00:17:49

that you that you worked with with other departments?

00:17:52

Are there any faculty members from other departments

00:17:54

that you remember working with?

00:17:57

No,

00:17:58

I did not have any other department faculty working directly with me,

00:18:02

but we had interactions, alright.

00:18:05

For example, Professor Sirohi and Professor Kothiyal

00:18:08

they were the ones who were

00:18:10

giving me a lot of support

00:18:11

when I was building up the Optics Laboratory in the department,

00:18:15

that is Moire Laboratory in the department.

00:18:17

I had a separate dark room and all those things

00:18:21

and then, we were working in a time

00:18:24

when the digital approach, digital methods were not available.

00:18:29

But then, slowly the Moire methods..

00:18:31

I started moving it into the computer applications

00:18:35

and now, I would say I moved over to digital image correlation techniques

00:18:41

from Moire methods, because they all are optical methods.

00:18:45

So, that is the way it started growing.

00:18:48

I will not say, I was directly involved

00:18:50

with any other faculty member in any other department seriously,

00:18:55

I mean you will find that.

00:18:57

So, that is.

00:18:58

Ok.

00:18:59

Sir, so, this is the question we ask most of the people who we interviewed,

00:19:03

throughout your journey here at IIT

00:19:05

do you have any memory

00:19:07

that is very close to your heart,

00:19:09

maybe inside the department or even outside,

00:19:12

that you would like to share with us?

00:19:16

I, really do not have such a very serious thing

00:19:27

that happened during my...because, I have been just going moving forward,

00:19:32

I was not planning anything very big,

00:19:35

but I was-it was happening,

00:19:37

most of the time it was happening,

00:19:39

that is the way I always felt. See, something was happening and therefore,

00:19:43

I was joining the stream and I was providing support.

00:19:46

I was provided support and that is the way I grew.

00:19:50

Nothing fantastic happened that I could really share with you.

00:19:56

All the students in Research College

00:19:57

that you have taught or have been acquainted with,

00:19:59

can you name a few who are inarguably exceptional

00:20:02

and what qualities did they have

00:20:03

that you want current or new researchers to imbibe?

00:20:06

Yeah, I can say the following,

00:20:10

Professor Shriram who is your dean administration was my student,

00:20:13

at the BTech level, he did his BTech project with me on Moire.

00:20:18

Well, he has scaled greater heights.

00:20:21

He is one person whom I think has got

00:20:23

a motivation and wants to do really very well, you know him right?

00:20:28

Yes, sir. P. Sriram. Professor P. Sriram, Dean Administration.

00:20:31

Administration. Yes, sir, we heard about him. Yeah, he was he was my student.

00:20:35

Then, another student who I remember very well,

00:20:38

I mean, only about one or two students only I want to mention,

00:20:42

is Krishna Kumar Shankar, who was completely involved in the Moire methods

00:20:49

in the initial stages when I was building up the laboratory,

00:20:53

and he was doing his masters by research,

00:20:57

and then, later on moved over to Australia

00:21:00

to do further research and PhD and then get into the academic line.

00:21:06

Day and night he used to live in the laboratory and I also used to join,

00:21:11

that is the way we built the whole thing, ideas were developed,

00:21:15

enjoyed the whole thing.

00:21:16

We had within the laboratory I think a dark room also.

00:21:25

So that, then and there we could watch the films,

00:21:27

see the results, print the films, everything we could do it,

00:21:31

because those days, it was.. that is the way it was.

00:21:35

Another person who I remember very well is at the PhD level,

00:21:39

one Mr. V. V. S. Ravindra - Varanasi V. S. Ravindra is his name,

00:21:46

he did his MS as well as PhD with me continuously,

00:21:50

and he has joined the TATA Consulting Centre

00:21:54

he is in one of the top positions in that place

00:21:58

and he is growing very fast.

00:21:59

Compared to others who join with him

00:22:03

he has grown much faster,

00:22:05

he is a very dedicated person.

00:22:07

He did many things, very serious person and unassuming person,

00:22:14

something like that, that is something which I like most.

00:22:18

So, these are the people who come to my mind immediately when I talk

00:22:22

about these students who worked with me.

00:22:24

There are many others, many, many others,

00:22:27

but, I think these three, I think, in particular I can mention.

00:22:32

So sir, how did your research work

00:22:35

directly or indirectly foster solutions

00:22:38

for the problems that were faced by the industry?

00:22:41

I dont know.

00:22:42

It's, you know,

00:22:47

industry grows from inputs from several directions,

00:22:54

any particular one research does not contribute to the growth of the industry.

00:22:59

So, we tried to do some research,

00:23:02

we try to do in a way, fortunately for us, in those days,

00:23:08

we could do research in an area of our own interest.

00:23:12

So, we could choose a topic we could work with it,

00:23:15

but then, that slowly changed, towards the end

00:23:18

when I was leaving,

00:23:20

the projects were dictated by the consumer,

00:23:24

and one had to dance to the tunes of the dictator.

00:23:29

So, that is the way it was.

00:23:30

So, that way we were working in the areas

00:23:32

which we liked most, where we thought we could contribute something.

00:23:36

So, it is in the area of fundamental work, fundamental research

00:23:39

where I had contributed a lot.

00:23:42

In fact, in mathematics, mathematical areas,

00:23:44

I had the difference equations I had spent a lot of time in those days,

00:23:49

for my PhD, it was difference equation methods,

00:23:52

but then, I completely left it behind.

00:23:55

I consider PhD is a kind of a stamp

00:23:59

which you get in order to say

00:24:01

that you are now independent, you can do independent research.

00:24:04

Because up till now

00:24:06

you are having a guide,

00:24:07

you are having people who are monitoring your work, saying

00:24:11

it's good or not good and so on,

00:24:13

but from that shackles you remove, you get away completely

00:24:18

and then, move to doing something independently.

00:24:21

That is a time when I started working in both Moire and finite element methods,

00:24:26

the numerical methods as well as the experimental methods.

00:24:28

I could start

00:24:30

dealing with

00:24:31

a few PhD students in this area,

00:24:34

a set of PhD students in the other area and things like that,

00:24:37

but then, we are contributing something to this research as such.

00:24:41

So, it manifests in the form of publications,

00:24:45

which in turn fosters further research,

00:24:48

that is the way I look at it.

00:24:51

Sir, according to you, what defines a a true researcher

00:24:54

or a true academician, give us your thoughts on that?

00:25:00

See, first of all one must have some motivation to do research,

00:25:04

I mean, you must think that there is something to do,

00:25:08

and you must also be willing to look at what has been already done.

00:25:13

He must painstakingly go through

00:25:15

everything that is already available in the area,

00:25:20

research is not something you

00:25:23

discover

00:25:25

already, and then try to say,

00:25:28

you are proving it.

00:25:30

When we try to pursue something,

00:25:33

you dont necessarily have to get the answer

00:25:37

which you are thinking is the answer,

00:25:40

that is not research.

00:25:42

See Wernher von Braun was saying this,

00:25:45

"basic research is what I am doing,

00:25:48

when I dont know what I am doing."

00:25:50

So, that is the way it is.

00:25:52

Research is something where you do not have

00:25:54

a final product in mind completely

00:25:57

for which you know everything and then, you say that you are doing research.

00:26:01

So, that kind of an ability must be there

00:26:03

and also,

00:26:05

failure in doing research is a stepping stone for something good,

00:26:10

because, when you have failed to do,

00:26:13

when you, when you are doing something and the result is not good,

00:26:17

you should find out why the result is not good. Many times,

00:26:20

it opens up fresh areas of research,

00:26:24

because it tells you

00:26:25

where you did not look at, therefore, it is also opening up another door.

00:26:30

So, it's very likely that,

00:26:32

you started working in one direction

00:26:34

and then, it tells you something else which is much more

00:26:37

fruitful, functional, very exhilarating, this is exciting, this is possible.

00:26:45

So, that is what I would like student to keep in mind.

00:26:48

You should be prepared to take failure

00:26:51

and look at the failure itself as a stepping stone for success.

00:26:57

So sir, as someone who shaped the department in its early years,

00:27:02

do you think there were things that you unable

00:27:04

to do at the brink of your retirement,

00:27:06

and you think that should be done in the future with the department?

00:27:12

Not really.

00:27:14

I was quite happy with whatever I did,

00:27:16

I was willing to retire too.

00:27:19

So, there is nothing wrong about that,

00:27:21

whatever was possible I tried to always do.

00:27:24

So, that way,

00:27:26

I am not thinking that it should have been done,

00:27:28

that should have been...I have I have no such feeling,

00:27:31

but, I am still willing to do many things.

00:27:34

In fact, I am trying to do it.

00:27:36

I am trying to do it in another place, another place

00:27:38

where I am visiting,

00:27:40

I have a couple of research scholars, with them I am doing it,

00:27:44

I am trying to do further.

00:27:46

If it is possible, I do it,

00:27:47

if I do not, if it is not possible, I do not want to feel bad about it.

00:27:52

Sir, what your thoughts on the flora and fauna in the campus during

00:27:56

your early years,

00:27:56

and how has that changed throughout this part of your career?

00:28:01

August 1, 1966,

00:28:04

when I was getting into the institute for joining the institute,

00:28:11

it was raining heavily.

00:28:14

In fact, I told them that one day before,

00:28:18

I told them that I wanted to join the department on August 1st,

00:28:22

I had written a letter, those days only letters

00:28:26

and what happened was, the previous day

00:28:28

was a convocation day

00:28:30

and the next day had been declared a holiday

00:28:33

and I had no place to go.

00:28:36

So, fortunately I had a

00:28:39

classmate of mine at the undergraduate years, who was an assistant warden in the hostels,

00:28:46

at that time he had joined Civil Engineering department and he was there.

00:28:51

So, I just dumped myself on him

00:28:54

and then, stayed with him for a couple of days

00:28:56

and then, on August 3rd I joined the institute

00:29:00

and then, immediately asked for accommodation

00:29:02

and they gave me accommodation in Taramani house.

00:29:05

Those days Taramani house

00:29:06

was a temporary accommodation, we joined there,

00:29:10

that is how it started.

00:29:14

Plenty of days, plenty of them,

00:29:18

many of them used to cross the roads regularly at nights

00:29:23

and the students also used to cross the roads at night very fast

00:29:28

and it used to be a nightmare.

00:29:30

So, that is used to be the...

00:29:32

So, how it is now I dont know, it should still be happening,

00:29:35

I mean, blind driving here is a very dangerous thing,

00:29:39

but, they dont know what they are doing, they try to escape.

00:29:42

The only difference is, the animals try to go only in one direction whereas,

00:29:47

a human being tries to go forward

00:29:49

and then, again go backward, this is the only thing, therefore,

00:29:51

you can take a good decision and then avoid the animals too.

00:29:56

Many things are here,

00:29:58

this is a forest, continues to be a forest,

00:30:01

and herbs and everything is there, everything is..you have to look for it.

00:30:13

Many things were here which you have to look for it,

00:30:16

you have to go and look for it, banyan trees were plenty.

00:30:19

In fact, I would say, Professor Sengupto was

00:30:23

very kind to make sure that banyan trees were not cut

00:30:26

when he joined as a first director

00:30:29

and then, made the roads turn this way and that way

00:30:33

so, that the banyans are really kept.

00:30:36

But, some my vague feeling is, apart from the banyan trees,

00:30:43

the entire place was just a lot of these thorny trees only.

00:30:51

I dont think we had such a huge beautiful campus like

00:30:56

what we have here with shrubs and things like that,

00:30:59

we have grown them subsequently, many of them we have planned.

00:31:03

Actually, we tried to live here better,

00:31:05

we also allowed the trees and other things also to grow better,

00:31:09

that is the way we have done; we are really doing a good job here,

00:31:12

that is the feeling I get.

00:31:16

Sir, so, as you said, the department when it started, it

00:31:20

did not receive German support unlike the rest of the institute,

00:31:24

so, what was the main source of funding the department

00:31:26

received and support?

00:31:28

The Indian government was supporting the institute anyway,

00:31:33

the Indian government

00:31:34

had planned to put up a Aerospace Aeronautical Engineering department.

00:31:38

So, there was always funding for the department and also,

00:31:43

the department was carved out of the Applied Mechanics department.

00:31:47

So, it was originally associated with the Applied Mechanics department;

00:31:50

the Applied Mechanics department was the mother department

00:31:53

which fostered the growth of the Aerospace department.

00:31:56

So, that way it grew.

00:31:58

But then, that was because

00:32:00

initially, the Aeronautics department could not exist under the

00:32:05

bilateral agreement between the government of Germany and India,

00:32:08

because it was a political reason

00:32:13

therefore, the German government could not afford to

00:32:18

consider developing an aeronautics department at that time.

00:32:22

But then, many things

00:32:23

that we needed for the Aeronautical Engineering department like

00:32:27

the wind tunnels and other things are already available

00:32:29

in the Applied Mechanics department.

00:32:31

Many of the students even today from the Aeronautics department

00:32:34

go to the Applied Mechanics department to do wind tunnel work.

00:32:38

Though, of course, subsonic wind tunnels and a few wind tunnel are available

00:32:43

which are developed by the faculty members

00:32:45

who joined the department subsequently.

00:32:48

And, the main the standard wind tunnel,

00:32:52

the original, one meter open floor wind tunnel was actually the German aid.

00:33:01

Sir, what can you tell us about

00:33:03

Professor Sengupto, the first director of IIT Madras?

00:33:07

Well, I had a very minimal, I mean, time,

00:33:14

when he was a director here.

00:33:16

I mean, he was a director for only a short time when I was there,

00:33:20

because I think, he became..he left the institute later

00:33:25

and then, the next director took over.

00:33:29

I only have this much impression,

00:33:31

he was a nice gentleman

00:33:33

who made sure that the

00:33:37

the infrastructure was built up and the Indo-German sponsorship

00:33:44

and the contract was established beautifully.

00:33:48

At that time, when I came in, there were something like

00:33:51

60 or 70 German professors in the department in the institute

00:33:55

and it was swarming with those people at that time.

00:33:58

So, that was the time

00:34:00

when Professor Sengupto was there,

00:34:03

and not much I can say about,

00:34:06

I mean, I dont have so much, so many memories about

00:34:10

Professor Sengupto, because I was a very young faculty member

00:34:14

and mostly I was concentrating on the local situation.

00:34:20

Sir, so, this is a, this is a question that I had.

00:34:23

So, when you, when you joined the institute,

00:34:26

how would you describe the way

00:34:28

the student-teacher relationship changed over the years in your career,

00:34:32

did you observe changes like how it all started and when you left?

00:34:37

Well, I started teaching Mechanical Engineering students.

00:34:41

First for Applied Mechanics,

00:34:45

there used to be about 60 students

00:34:47

because the Department of Mechanical Engineering had the maximum input;

00:34:50

even today it is. Even today, yes.

00:34:53

And I was asked to teach the first class to those fellows.

00:35:00

Well, I did not find any difficulty, I was going through it very well

00:35:07

and then, later on, I also was the

00:35:12

assistant warden in one of the hostels where they were staying,

00:35:16

they came to me and said,

00:35:18

"did you teach anywhere before?" That was the question.

00:35:21

I did not teach anywhere before,

00:35:23

I said, "no." "But, you looked like that you are teaching somewhere before,

00:35:26

you seemed to handle the class very well."

00:35:30

That probably was because their previous teachers were not that great.

00:35:35

So, I just turned out to be good, that is how I think about it.

00:35:40

Students were good, they were intelligent.

00:35:43

And, one of the five Srinivasans; there is J. Srinivasan, who is the

00:35:48

professor in mechanic engineering at IISC,

00:35:53

and he was the topper,

00:35:54

he was known as the S Grade fellow,

00:35:57

only S, every subject, every time, he used to be only S Grade.

00:36:01

So, that is the kind of person.

00:36:04

What I found was, in those days the students were

00:36:11

from various places in India.

00:36:14

The method of attracting students

00:36:17

through JEE platform was peculiar.

00:36:22

The only thing is that it had a slight legal setback,

00:36:25

but then, they were doing it in that fashion.

00:36:28

So, they were able to attract students from Delhi, Bombay, anywhere.

00:36:32

So, it was a cosmopolitan atmosphere that was there at that point.

00:36:37

Subsequently, I spoiled everything.

00:36:40

What I did was, I said,

00:36:41

"we have to have a programme where the nth rank student

00:36:46

should get the opportunity to choose what he wants

00:36:48

before the nth+1 rank student exercises in option.

00:36:53

So, that was the one which I insisted,

00:36:55

I think, when I started doing that the things came around,

00:37:00

and they said they would have a counseling and other thing...all those things

00:37:03

were my proposal,

00:37:04

and my chairman, Professor N. V. C. Swamy took it to the directors

00:37:09

and the chairman of the audit.

00:37:11

And then, subsequently in another two years the whole thing changed,

00:37:16

and they started asking the students to fill up the forms

00:37:20

and then tell what they wanted

00:37:22

and then, in two days they will

00:37:24

put together everything,

00:37:26

go to all the institutes, everything, pool together every information,

00:37:29

and then start

00:37:31

giving the students what they want, depending on their choice

00:37:35

as well as on the availability.

00:37:37

So, these are the things which happened.

00:37:39

Somebody was mentioning,

00:37:41

if you do like this,

00:37:43

people from the South will like to go to IITs in the South

00:37:46

and North..maybe that was happening.

00:37:49

So, that is the difference that started settling in here,

00:37:54

but I think, that is changing now.

00:37:57

But as far as the students are concerned,

00:38:00

they are good students,

00:38:02

but then, when the number increased,

00:38:04

I find that the

00:38:09

the brilliance of the students which I found in the previous sets,

00:38:14

the same kind of rewarding experience

00:38:17

I was not getting from the students in the later years.

00:38:21

It's unfair to them,

00:38:23

but it is what I felt about it,

00:38:26

but that is an honest opinion about me;

00:38:28

but that is a compulsion, political as well as reality,

00:38:32

that is due to that it is happening.

00:38:34

So, these things we have to live with,

00:38:36

we change our tactics,

00:38:39

we change our strategies and start meeting the situation,

00:38:42

and do better.

00:38:43

So, there is nothing wrong.

00:38:45

But basically, the students are students,

00:38:47

and IIT students are always a cut above the rest,

00:38:51

that is definitely issue.

00:38:53

Before you introduced the counseling procedure

00:38:56

of giving a choice, how was it before that then?

00:39:00

I do not want to describe it,

00:39:02

it's not good,

00:39:06

I did not think it was good. Okay.

00:39:08

So, where does IIT Madras stand

00:39:10

in terms of teaching and research in Aerospace Engineering

00:39:13

and why is this a good field for young researchers to get into?

00:39:17

Well, I'll split it into two parts.

00:39:20

Is the department good? Is the aeronautical engineering subject good?

00:39:25

Well, the Aerospace Engineering subjects are very good because

00:39:32

they consider leading edge research in every area,

00:39:38

because if an airplane has to fly, it has to meet a lot of conditions

00:39:43

that means, we have to be as precise as we can,

00:39:45

as far as the design is concerned.

00:39:48

Whereas, a like..a certain amount of leeway

00:39:52

we can give, when we come to other structures.

00:39:55

We can take care of,

00:39:57

I mean, we can increase and factor safety considerably,

00:40:01

and we can work with it,

00:40:02

because a little extra weight extra load it doesn't matter

00:40:07

in the others.

00:40:08

Whereas, in the case of aerospace structure or for example,

00:40:12

the aircraft itself, it has to be as light as possible and yet strong,

00:40:17

which means, we have to really use high end technologies,

00:40:24

understanding, philosophies in order to

00:40:27

design these things and make them work better.

00:40:30

So, the area of aeronautic engineering should interest

00:40:33

people who want to do research,

00:40:35

and it is not necessary that you have to only design airplanes,

00:40:40

you can design ships too,

00:40:42

you can design anything.

00:40:43

These aeronautical engineers are a selling product,

00:40:47

they can do anywhere, they can go anywhere, they can do anything they want

00:40:51

almost like that; because they have to learn

00:40:54

high end differential equations, solve Navier-Stokes equations,

00:40:58

and things like that,

00:40:59

which are pretty difficult.

00:41:03

The Department of Aeronautical Engineering, the faculty are good

00:41:07

because for the same reason,

00:41:09

they have to be good.

00:41:11

They, they just have to survive like that and therefore,

00:41:14

they have to learn this, they have to live with it and they will be good,

00:41:18

there is no question about that,

00:41:20

it is simply required of them and therefore,

00:41:22

they are dumped with that particular task, they will be good.

00:41:26

So, what was the last question?

00:41:28

Sir, where does IIT Madras stand in terms of teaching and

00:41:31

research in aerospace engineering?

00:41:33

Very good. I would say just very good.

00:41:36

Sir, last, last question.

00:41:40

Yeah, so sir we like to end the interview on the...

00:41:43

if, if you..if you would like to convey some words of wisdom

00:41:46

to the current students of IIT Madras

00:41:48

and the researchers here, what would you say to them?

00:41:56

Rote learning they should avoid, they should diversify,

00:42:02

they should engage in learning from others also,

00:42:08

they themselves wont be able to learn everything,

00:42:11

they should have an open mind.

00:42:14

So, these are the things which are essential.

00:42:16

So, once they do that,

00:42:18

intrinsically they are good, that is how IITs draw them

00:42:23

and therefore, they can make use of it.

00:42:26

I always say to students, "use your head."

00:42:30

So, that is my rule of thumb.

00:42:34

"Use your head."

00:42:38

Thank you.

00:42:39

Thank you so much sir.

Oral History Project

< Back

Prof. V. Balakrishnan in conversation with Prof. Suresh Govindarajan

00:00:11

On behalf of the Heritage Centre, Professor Balakrishnan,

00:00:14

I would like to welcome you to this informal chat.

00:00:17

[Prof. Balakrishnan] Thank you. [Prof. S. Govindarajan] And, the idea is that we go over the history,

00:00:20

your history and your association with IIT Madras.

00:00:24

And so, we'll start with your life before IIT Madras.

00:00:28

So, maybe you can tell us something about

00:00:30

where you lived, where you studied and worked.

00:00:33

Well, I went to school at, primarily in Bombay and Pune.

00:00:41

After matriculation, I had a year of pre-university science

00:00:45

at the University of Pune

00:00:47

and then my father got transferred to Delhi.

00:00:49

So, I joined Delhi university in the Physics Honours Programme

00:00:54

in 1960 and '63, I finished my Physics Honours.

00:01:00

And, in '65 M.Sc. programme and then went abroad

00:01:04

to Brandeis University for a Ph.D.,

00:01:09

returned to India in late 1970

00:01:12

and then spent 3 years at Tata Institute in Bombay

00:01:17

and then joined the then new Reactor Research Centre at Kalpakkam

00:01:22

in the Materials Science division,

00:01:24

I mean what was then the Materials Science lab.

00:01:28

And, after 6 years there, I moved to IIT

00:01:32

and joined in 1980, and then of course,

00:01:36

[Prof. S. Govindarajan] So, RRC is now called IGCAR right?

00:01:39

[Prof. Balakrishnan] RRC is now called IGCAR;

00:01:40

after Indira Gandhi passed away, the name was changed

00:01:45

and it's the second research arm of

00:01:48

the atomic energy department after BARC.

00:01:52

Since you actually had a permanent job

00:01:55

at IGCAR or RRC as it was called,

00:01:58

how did you end up at IIT Madras?

00:02:00

Well, a combination of circumstances,

00:02:02

some intentional, some accidental,

00:02:06

happy accidents in some sense for me.

00:02:10

I always wanted to teach and in fact, in 1976

00:02:16

Professor R. Srinivasan

00:02:17

who was the Head of the Physics Department

00:02:20

invited me to come over here from Kalpakkam 3 days a week

00:02:24

and give a new course on the quantum theory of solids,

00:02:28

which I did during the January to April semester.

00:02:32

And the next year he repeated the experiment.

00:02:35

So, I realized that I really liked teaching.

00:02:39

So, when the opportunity arose I thought.

00:02:43

I would apply and I did and then I came here.

00:02:46

So ... it's true that I did spend

00:02:50

the first decade in a pure research institution,

00:02:54

but I felt always that something was missing, a crucial ingredient.

00:02:57

And then after coming here I realized

00:02:59

it was the presence of young students -

00:03:02

that's generally missing in research institutes

00:03:05

except for a few research scholars or very young scientists.

00:03:10

But being in an institution with

00:03:14

undergraduates and postgraduate students

00:03:16

and a large number of them is a different feeling altogether.

00:03:22

[Prof. S. Govindarajan] So, in 1982 which is probably a year or two after you joined IIT Madras,

00:03:27

I joined IIT Madras as an undergraduate

00:03:30

and by then you were already a legendary teacher.

00:03:34

And I mean it was my great regret that you were not teaching my class

00:03:38

because you were teaching alternate batches.

00:03:40

So, the odd years had you and your team teaching,

00:03:43

but how did you be ... I mean, have such a huge impact

00:03:47

in, I think a year or two?

00:03:50

I don't know if it was an impact,

00:03:51

but you have to remember that in 1980,

00:03:53

'81, the first 4-year batch - B.Tech batch - started,

00:03:58

till then it was a 5-year stream.

00:04:00

So, after I came over, there was this effort to rewrite the Physics curriculum

00:04:07

to compress all Physics so, to speak in 3 semesters.

00:04:10

Professor Indiresan was the Director

00:04:12

who recruited me and I remember even asking him

00:04:15

saying, because, I had been told by people in the Physics Department

00:04:19

that prior to that in the 5-year

00:04:20

stream they actually had Physics for 10 semesters.

00:04:23

So, I even asked him:

00:04:25

how do you expect all of Physics to be compressed in 3 semesters?

00:04:29

And his reply was: that's the mandate, you have to do it;

00:04:32

now everything else depends on how you do it

00:04:35

and surely you can communicate the essentials of a subject

00:04:39

to potential engineers in 3 semesters,

00:04:42

if you can't, it means something is wrong.

00:04:44

So, he was categorical about it, he said you should be able to do it.

00:04:47

So, a team of us: Professor R. Srinivasan who was taking the lead

00:04:52

and then Dr. Swaminathan, Ramabadran and myself,

00:04:58

we handled the first few batches of the new 4-year stream.

00:05:02

And, we wrote out the syllabus,

00:05:04

a curriculum which was used for many years

00:05:06

and we - our philosophy was roughly to say,

00:05:10

we avoid details and focus on principles

00:05:14

and we talk about single particle

00:05:17

or small number of degrees of freedom systems

00:05:19

in the first semester along with ... vector calculus.

00:05:24

So, essentially you are doing mechanics in vectorial form.

00:05:27

In the second semester, we went on to fields

00:05:30

electromagnetism specifically, with a little bit of optics

00:05:34

and in the third semester we looked at

00:05:35

a very large number of degrees of freedom.

00:05:37

So, after a brief introduction to Hamiltonian, Lagrangian mechanics

00:05:41

we did elementary statistical mechanics and ended up with

00:05:44

the fundamentals of quantum physics.

00:05:47

So, that was a very neat package

00:05:49

indeed, in 3 semesters

00:05:51

which kind of summarized what Physics was all about.

00:05:55

And, I must say that the students,

00:05:56

a much smaller number in those days,

00:05:58

I believe that in the early '80s the number was only about 240 or 260.

00:06:03

[Prof. Balakrishnan] Even less - 220 to 230, I think. [Prof. Balakrishnan] Yes.

00:06:05

And then it, of course, has grown since then

00:06:08

but they were split into 4 batches and the 4 of us handled these batches

00:06:12

more or less in synchrony.

00:06:14

And in - in fact, I would say in strong synchrony

00:06:17

because we discussed things beforehand.

00:06:20

And the students were deeply interested, many of them;

00:06:23

as you know very well, including yourself, many people went on

00:06:26

to form in - to careers in science and mathematics.

00:06:30

So, it did make some difference.

00:06:31

Even though I did not have you as a lecturer,

00:06:34

[Prof. S. Govindarajan] I got access to you know cyclostyle notes. [Prof. Balakrishnan] Yeah.

00:06:38

Your legendary cyclostyle notes

00:06:40

and can you tell us something about that?

00:06:43

Well, I - when I joined here, I had a room, an office room

00:06:46

which clearly was a temporary room because

00:06:50

it had a cyclostyling machine at one end of it which was not used

00:06:54

and it had apparently been junked or whatever

00:06:58

and it was still in working condition as far as I know

00:07:00

and there was a technician who would occasionally run things off on it.

00:07:04

And after a while I got this idea that

00:07:07

we could do this stencilling and type and cyclostyling ourselves.

00:07:11

And question papers in those days were cyclostyle,

00:07:14

220 copies made for the quizzes,

00:07:16

for the final exam and so on, and stapled.

00:07:19

So, we set up a kind of assembly line to do this

00:07:23

and I had an old typewriter with me.

00:07:26

So, we'd type on those old stencils, fill out all the equations

00:07:29

using those stencils and then run off;

00:07:32

I even learnt how to use that cyclostyling machine, how to run it off.

00:07:35

And then once that happened, it became easy to

00:07:38

you know distribute handouts, notes, and so on;

00:07:41

because things are much easier,

00:07:42

now we do it by just forming an email group and then

00:07:45

sending out PDF files or whatever.

00:07:47

But...those early days I think it did help

00:07:50

that students had access to notes

00:07:53

because we didn't, in this curriculum it was so mixed

00:07:55

that we didn't really use a single textbook

00:07:57

[Prof. Balakrishnan] and that caused - [Prof. S. Govindarajan] Actually, there isn’t one till today.

00:08:00

And, that caused a lot of difficulty because a lot of complaints

00:08:03

that there wasn't a single textbook from which we were teaching;

00:08:07

unlike the other IITs, I - I guess.

00:08:09

And we insisted that this course was so broad-based

00:08:13

that a single textbook couldn't do justice to it,

00:08:16

it was certainly at a much higher level than

00:08:19

Resnick and Halliday for instance or Bizer or anything like that.

00:08:23

And ... years later, I had opportunity to

00:08:27

compare this syllabus that we had laid out with

00:08:30

corresponding syllabus at Caltech and Cornell and so on

00:08:33

and to a great surprise it was -

00:08:35

there was a very very high degree of overlap.

00:08:38

So in that sense, we had actually modernized the physics curriculum

00:08:42

well before many other places did.

00:08:47

[Prof. S. Govindarajan] One of the funny things is

00:08:50

that with regard to laboratory duty it’s sort of

00:08:53

in - in the Physics Department - as you know most people are assigned

00:08:58

1 session or 2 sessions of lab.

00:09:00

And ... I mean you were assigned a few times,

00:09:04

but then it was decided that it was better not to give you lab duty.

00:09:09

[Prof. S. Govindarajan] Can you tell us what happened? [Prof. Balakrishnan] Might be

00:09:11

you know, realistic assessment of my talents as an

00:09:15

experimentalist which is less than negligible.

00:09:18

But I think for many years through the '80s,

00:09:21

I actually handled 2 theory courses every semester.

00:09:24

And one memorable semester in 1984,

00:09:28

I had 3 and with a little bit of - for a few lectures

00:09:34

I also handled a few lectures of, you know, 4th course

00:09:38

in the same semester.

00:09:40

I wouldn't want to repeat that experience again.

00:09:43

[Prof. Balakrishnan] Because it was a very heavy load. [Prof. S. Govindarajan] Yes.

00:09:46

But 2 was fairly routine and so on

00:09:48

[Prof. Balakrishnan] and then - [Prof. S. Govindarajan] Which is definitely more than most people

00:09:50

because it's usually 1 lab.

00:09:52

[Prof. Balakrishnan] Yeah, 2 and [Prof. S. Govindarajan] And 1 course.

00:09:53

one of them a 4 credit course - it takes takes away some time,

00:09:57

but towards the end in the late '90s,

00:10:00

I did get assigned lab courses, etcetera.

00:10:03

But... I think they found me more useful,

00:10:07

they found it more useful if I gave lectures on error analysis

00:10:10

and statistics and how to analyse data than to

00:10:13

actually go there and supervise experiments,

00:10:15

which I could do, you know, no differently from anyone else.

00:10:21

And one of the big surprises for me at least

00:10:24

is that you know a lot of stuff about materials science

00:10:28

and it is not something you work on day to day,

00:10:30

but I know that you know so much.

00:10:32

Oh. When I - my - my thesis is on elementary particle physics,

00:10:36

theoretical high energy physics of those days

00:10:39

S-matrix theory and field theory, trying to bring them together.

00:10:43

So, that is as abstract as you could have got in those days,

00:10:47

but then when I moved to TIFR, I slowly shifted

00:10:50

to many body theory and did work on the Heisenberg ferromagnet

00:10:54

and statistical physics and so on.

00:10:57

And then when I got this job at Kalpakkam,

00:10:59

it was specifically in the materials science lab.

00:11:02

So, the mandate was to try to understand

00:11:05

from a physical point of view,

00:11:07

fundamental properties of materials, specifically metals.

00:11:12

So I had to learn a little bit of metallurgy

00:11:14

and materials science to be able to work there

00:11:16

and contribute to the research programme.

00:11:19

So, that - my - initially I felt, I mean

00:11:23

this is a subject which would be totally uninteresting to me.

00:11:26

But as I got into it, I realized that it is

00:11:29

a fascinating subject and that sort of ... interest,

00:11:32

cultural interest has stayed with me, you know.

00:11:36

And among the many things you already mentioned that

00:11:39

you were very actively involved in setting up the

00:11:42

physics curriculum for the new 4-year programme in the '80 -'81,

00:11:47

but - but you kept introducing new courses.

00:11:50

So, can you tell us something about the course

00:11:54

called Classical Mechanics II which became Classical Field Theory?

00:11:58

Oh. That was again a bit of an accident,

00:12:01

the very first course that I taught here was in the January -

00:12:05

apart from the '76, '77 brief interlude.

00:12:09

This was a course on Classical Mechanics II

00:12:12

as it was in the M.Sc. syllabus then

00:12:16

and it was from January to J - April or May of 1981.

00:12:21

The class was small and what I didn't realize then was that

00:12:25

it had some exceptionally good students

00:12:27

including some B.Tech. students who were sitting in on the course.

00:12:31

And in all my innocence I went and asked them

00:12:33

what textbook they'd used for Classical Mechanics I

00:12:35

and they said Goldstein.

00:12:37

And I said how much of Goldstein?

00:12:38

And they said all of it

00:12:40

and I was surprised by this

00:12:41

that they had actually covered this entire course,

00:12:44

I found out later that that was a little bit of a hyperbole.

00:12:48

But...I decided that if they had done all of Goldstein,

00:12:51

then the next thing to do was to do - start practically at the last

00:12:55

chapter of Goldstein which is continuum mechanics

00:12:58

and then I looked at it

00:13:00

and said: continuum mechanics is kind of boring;

00:13:02

so, let us make it relativistic.

00:13:04

And then I gave this course on classical field theory.

00:13:07

One of the great advantages of academic freedom is that you could kind of

00:13:12

distort the syllabus in this fashion as you pleased,

00:13:16

the students seemed to like it.

00:13:17

So, I introduced special relativity and tensor calculus

00:13:21

and then did classical field theory.

00:13:23

It went down well, I even wrote a set of notes on it

00:13:26

and distributed it and then in the next few years

00:13:28

occasionally one would come back and give this.

00:13:31

I think it got formalized as classical field theory only much much

00:13:35

later after all of you came in and then

00:13:38

introduced a lot of general relativity and

00:13:40

really made it a proper course on classical field theory.

00:13:43

But I was happy to be able to do things

00:13:45

like spontaneous symmetry breaking

00:13:47

and the Higgs mechanism and so on,

00:13:49

way back then in the context of basic classical field theory.

00:13:54

And ... one course at least for me it’s memorable by its name

00:13:59

and it gave, I - I did not know what that was about;

00:14:01

it was called synergetics.

00:14:03

Can you tell us?

00:14:04

Oh. In the '80s,

00:14:06

when people were beginning to look at complex systems,

00:14:09

what today known as complex systems,

00:14:12

specifically Hermann Haken in Germany, he coined,

00:14:16

I think he coined the name 'synergetics' for this course;

00:14:19

where you have a large number of

00:14:21

effects coming together to produce -

00:14:22

causes coming together to produce an effect,

00:14:25

something like what we would call emergent phenomena

00:14:29

or complex dynamics and so on, today.

00:14:32

And there was a whole series of monographs published on

00:14:36

synergetics with collections of articles in by Springer.

00:14:40

And, I found that one of the lacunae in our M.Sc. syllabus

00:14:43

curriculum was that there was no room for critical phenomena

00:14:47

or phase transitions, the modern period of critical phenomena

00:14:50

nor was there any nonequilibrium statistical mechanics.

00:14:56

And...there was nothing on dynamical systems per se,

00:14:59

although chaos and non-linear dynamics had become quite

00:15:02

popular and they were very very actively

00:15:05

being pursued in the late '70s and '80s

00:15:08

and I thought why not put these together and offer an elective for it?

00:15:12

Strictly speaking it should have been 3 electives,

00:15:15

but the hassle of going through the Board of Academic Courses,

00:15:18

getting permission for all the courses would have been too much

00:15:20

and 3 would have been too much to float at one - one shot.

00:15:24

So, I put the 3 together into 1 syllabus in a little bit of

00:15:28

sleight of hand and called it synergetics.

00:15:32

And, it was approved by the departmental committee and the Board

00:15:35

of Academic Courses and then the course was floated as an M.Sc. elective.

00:15:40

So, for several years to successive batches of M.Sc. students as well as

00:15:45

senior B.Tech. students who'd opted for this course,

00:15:48

I ran this course by focusing on one of these three main topics.

00:15:53

So, it was three kind of different courses but under one umbrella.

00:15:58

Then of course, today we have separate courses on all these subjects.

00:16:01

So, I mean, actually, you have been involved in

00:16:04

creation of dynamical systems.

00:16:06

[Prof. S. Govindarajan] Now, that's two courses, there is advance. [Prof. Balakrishnan] Yeah, there is an advance.

00:16:08

And, then more recently you added two more courses, you know,

00:16:12

which in some sense, seems to have its origins in synergetics;

00:16:15

[Prof. S. Govindarajan] one is Physical Applications of Stochastic Processes... [Prof. Balakrishnan] Yes. Yes.

00:16:19

And Nonequilibrium Stat Mech.

00:16:20

[Prof. S. Govindarajan] And - and in fact, you have actually given NPTEL courses on this. [Prof. Balakrishnan] Right. Right.

00:16:26

So, can you tell us how your NPTEL courses came about,

00:16:30

especially the first two which I think are

00:16:33

wildly popular, I mean to say the least.

00:16:35

For entirely accidental reasons, as usual,

00:16:40

this was around the time that I was actually retiring from the department

00:16:43

formally, a little later in fact, when I was already on ...

00:16:48

[Prof. S. Govindarajan] But your classical physics and quantum physics was given to a real class.

00:16:52

[Prof. Balakrishnan] Yes. [Prof. S. Govindarajan] You were still. They were all.

00:16:54

Yes, they were given as courses

00:16:56

as you know we had a minor stream

00:16:58

which Professor Ananth had proposed early

00:17:00

and the minor stream started off by saying

00:17:03

the physics minor stream, the proposal was 4 courses;

00:17:08

all 4 generally M.Sc. electives.

00:17:11

So, for a few years it was a little chaotic

00:17:15

because different people who would take

00:17:16

different courses or float different courses among the electives,

00:17:21

depending on the interest of whoever taught the course.

00:17:23

And the course wasn't receiving its

00:17:27

due attention from the undergraduates,

00:17:29

it wasn't being opted for as a leading preference.

00:17:33

So, the department decided to do something about it

00:17:35

and then they revamped it,

00:17:37

there were only 3 courses, I think, now...

00:17:40

[Prof. S. Govindarajan] Now, it is 3 but it started off as 4 [Prof. Balakrishnan] Right.

00:17:42

[Prof. S. Govindarajan] with 2 core. [Prof. Balakrishnan] Right.

00:17:44

So, my suggestion at that stage was

00:17:47

to formulate two new courses altogether for the minor stream

00:17:51

and then have the remaining course of two courses

00:17:55

taken from the list of M.Sc. electives.

00:17:57

And the two basic courses would be an overview of classical physics

00:18:01

and an overview of quantum physics, that was agreed to.

00:18:05

And, then I wrote - helped write the curriculum,

00:18:07

the syllabus for these courses

00:18:09

and then it was suggested that they could perhaps be recorded,

00:18:13

that I could give the courses for the - when they were given the first time

00:18:16

and they could be recorded and that was done.

00:18:18

And that was intended entirely as a recording for the local area network,

00:18:25

for internal circulation alone.

00:18:28

They got recorded and I get these series every day and then I decided

00:18:31

just give it to the student representative

00:18:33

which was done and I forgot about it.

00:18:36

And, then when NPTEL came along a few years later,

00:18:40

I was asked whether these courses could be put under part of NPTEL

00:18:44

and I readily agreed because, I didn't see why they shouldn't be.

00:18:47

The only thing is I didn't edit them in any way because, I realized

00:18:50

that to edit an hour of lectures takes 4 hours of work

00:18:53

and that was too much.

00:18:55

So, I said warts and all, let it be there and then, of course,

00:18:58

if there are mistakes in it, it will be detected by the students

00:19:02

and kind of self-corrected and that is how it's remained.

00:19:05

I did do one or two more courses of that kind and then

00:19:09

the last few were recorded, even them -

00:19:12

all the courses I have given there have been

00:19:14

[Prof. Balakrishnan] courses to actual classes. [Prof. S. Govindarajan] Yes.

00:19:16

They happened to have been NPTEL courses which were recorded,

00:19:20

[Prof. Balakrishnan] but they... [Prof. S. Govindarajan] Except for the series you have for high school students

00:19:24

[Prof. S. Govindarajan] Yes. [Prof. Balakrishnan] which is different in character.

00:19:25

[Prof. Balakrishnan] Can you tell us something about it? [Prof. S. Govindarajan] [inaudible] together.

00:19:27

The mandate there was to do half-hour modules on 11th standard physics

00:19:33

and on 12th standard physics in two different courses

00:19:36

and they were supposed to be half-hour modules.

00:19:40

Hm...I was able to do the 11th standard,

00:19:42

but I still haven't been able to do the 12th, yeah.

00:19:46

And ... you started writing articles for this

00:19:51

nice journal of education called Resonance

00:19:54

which is started by the Indian Academy of Sciences

00:19:57

and I really like this series called What Can The Answer

00:20:03

Be and I think of it as vintage Balakrishnan.

00:20:07

In some sense can you tell us a little bit about What Can The Answer Be?

00:20:11

Well, Resonance started in 1996

00:20:14

and they were looking for articles at that time

00:20:17

and one of the thoughts I had was supposed to be pedagogical articles,

00:20:22

supposed to interest students in science and mathematics.

00:20:27

And ... I was on the editorial board at that time

00:20:31

and one of the thoughts I had was why not

00:20:35

put down some of the useful tricks

00:20:37

that one uses in teaching these courses,

00:20:40

kind of heuristic arguments which could be made rigorous subsequently

00:20:44

after you guess the answer into a systematic set of articles on this.

00:20:50

So, I started by writing 1 and then it grew to 2 and 3 and then 4

00:20:53

and then went on for a few more and I titled it What Can The Answer Be?

00:20:59

The idea being - the philosophy being that you

00:21:01

[Prof. Balakrishnan] use very general arguments such as linearity, superposition, [Prof. S. Govindarajan] Isotropy.

00:21:07

scaling, isotropy, homogeneity, dimensional analysis,

00:21:14

order of magnitude estimates and so on;

00:21:16

all the tricks of the trade of a professional scientist

00:21:20

trying to guess the answers to questions.

00:21:22

And then show that it is indeed the the rigorous answer or whatever.

00:21:29

You can move this up to a point, but I found to my great surprise that

00:21:33

you could illustrate fairly sophisticated concepts like

00:21:36

the reciprocal basis for crystallography

00:21:40

not just in 2 and 3, but in n dimensions.

00:21:43

You could then go on to infinite dimensional

00:21:45

Hilbert spaces, vector spaces,

00:21:48

you could talk about basis sets and change of basis

00:21:52

and the idea of completeness and over-completeness, etcetera.

00:21:56

So, fairly sophisticated concepts could be brought in

00:21:59

from very elementary considerations and that's how this series grew.

00:22:05

I must say I regret not having contributed

00:22:09

more towards that set of articles

00:22:12

but they are sort of time-consuming.

00:22:15

Though, I must admit that some of my lectures

00:22:19

now are titled What Can The Answer

00:22:22

Be and the lecture ... proceeds in

00:22:26

[Prof. Balakrishnan] I - I - don't know where I got that - [Prof. S. Govindarajan] a fashion imitating yours.

00:22:27

I don't know where I got that title from - it may not -

00:22:30

it may not be an original thought at all.

00:22:32

So, I always tell them we are going to imitate 'Professor Balki' as you are called,

00:22:36

we are going to imitate Professor Balki today,

00:22:38

[Prof. S. Govindarajan] we are going to say What Can The Answer Be? [Prof. Balakrishnan] Of course, the greats in Physics have always used such arguments.

00:22:42

[Prof. S. Govindarajan] Yeah. [Prof. Balakrishnan] As you know, the Feyn - Feynman and Fermi and so on are legendary

00:22:46

figures who have used such arguments.

00:22:49

Fermi is famous - back of the envelope calculations -

00:22:52

and Feynman’s heuristic way of arguing even complex ... problems...

00:22:58

[Prof. S. Govindarajan] Yeah. [Prof. Balakrishnan] problems out, their object lessons and how to do this.

00:23:02

So, can you tell us a little bit about your family?

00:23:05

I know that your - both your kids, your son and daughter, studied at IITM

00:23:09

and so, I would like your -

00:23:13

you to tell us a little bit about your family and your

00:23:16

influence in them getting into IIT, influence or lack of influence.

00:23:20

Well, my wife is a theoretical physicist.

00:23:24

We were students together at Delhi university

00:23:27

and then at graduate school at Brandeis

00:23:30

and she worked at IMSC till her retirement.

00:23:35

And when our children grew up,

00:23:38

we have a son who is 7 years older than our daughter -

00:23:41

and when he grew up, well, he went to KV IIT here.

00:23:48

One of the things I realized very early on is that

00:23:51

I simply didn't have the patience to be able to teach him anything.

00:23:56

It's just that I think many parents have this problem

00:23:59

with at least the first child.

00:24:02

They think they can download all their information and experience

00:24:06

at several Tera-whatever-it-is -

00:24:08

TeraFLOPS per second into their children instantaneously

00:24:13

and get impatient if they don't absorb all of this at once,

00:24:16

that doesn't work.

00:24:17

It doesn't work that way at all.

00:24:19

So, my wife was very sane about it and she said, well,

00:24:23

let’s give inputs to the kids only when they ask for it

00:24:28

which of course, was not very often

00:24:31

and this this turned out to be very helpful.

00:24:34

So, we really didn't, you know, interfere in any way or

00:24:38

pressure in anyway: as long as they were doing ok, it was fine with us.

00:24:42

It’s only when Hari- that's my son’s name - when he got to about

00:24:46

maybe the 10th standard or something, that he

00:24:49

showed some interest in problem solving in mathematics and so on.

00:24:53

He got into these various quizzes and

00:24:56

then these Olympiad kind of

00:24:59

problem solving with some friends, he had some very good friends.

00:25:03

And so, he wrote the IIT entrance exam and got in here

00:25:07

into the Computer Science programme.

00:25:10

Long after he graduated, my daughter who went to a State Board school,

00:25:15

and we didn't expect that she would be interested in anything scientific at all.

00:25:20

So, she said - she - one fine morning, she told my wife that

00:25:23

she would like to take the IIT entrance exam.

00:25:26

And then - mean - by this time long before, this promise

00:25:31

had been extracted from me that I won't interfere in any way whatsoever

00:25:35

which I was all the more true in her case.

00:25:38

No, but I remember one legendary story

00:25:40

is that you came proudly and announced

00:25:42

to me and Professor Lakshmi Bala

00:25:45

over a tea that you taught -

00:25:48

tried to teach your daughter complex analysis.

00:25:51

[Prof. Balakrishnan] Well - [Prof. S. Govindarajan] and you should tell us your wife’s reaction to that.

00:25:54

[Prof. Balakrishnan] Yes, I - I must say that residue theorem, residue theorem [Prof. S. Govindarajan] Yeah.

00:25:59

it was - it was a mistake because I felt that -

00:26:02

she was probably in her 7th or 8th or something like that -

00:26:05

I felt that talking about real numbers was meaningless without

00:26:09

introducing complex variables.

00:26:12

So, I tried to do that geometrically

00:26:14

and the poor child was totally confused.

00:26:17

[Prof. S. Govindarajan] To do, yeah, equation of a circle in ... in polar coordinates. [Prof. Balakrishnan] Yeah. Right.

00:26:22

So, I said the equations of common curves in

00:26:25

in terms of a complex variable become very simple.

00:26:29

For example, a circle becomes mod z equal to a

00:26:33

very obvious and then of course,

00:26:36

this totally went over her head and it was a disaster.

00:26:40

So, then, I decided to follow my wife’s advice

00:26:44

and not interfere in this matter at all.

00:26:46

I think she told you to stick to being her chauffeur.

00:26:48

Yes. Indeed.

00:26:51

So, I think it's a good - good idea not to interfere till help is asked for

00:26:56

and then to stick to just that.

00:26:58

The other thing I learnt by

00:27:00

getting involved with them was you shouldn't...

00:27:06

it's true you should explain the basics,

00:27:09

but very often they want an instant answer to

00:27:11

whatever the problem is at that moment.

00:27:13

And if you start going too far back and starting from their basics

00:27:17

then they feel their foundations are shaken completely

00:27:19

and then they don't know which way to move,

00:27:21

they don't have a mooring,

00:27:23

so, it's important not to destroy that, you know.

00:27:26

One more thing which I would like to discuss now

00:27:28

is the evolution of the Physics Department.

00:27:31

So, around the time you joined, I remember it was mostly

00:27:34

a department of experimental solid-state physics.

00:27:38

And, today it's evolved to being one of the largest departments in

00:27:43

IIT Madras and having a wide spectrum

00:27:47

of - of topics, I mean it's probably, one couldn't even argue

00:27:51

that it's one of the better Physics Departments among all IITs.

00:27:54

[Prof. S. Govindarajan] So, could you just - [Prof. Balakrishnan] I - I'd go further and say it's the best.

00:27:57

Okay. So - but I know that you were also involved in this

00:28:03

sort of slow but sure shift.

00:28:06

So, could you tell us something?

00:28:08

Well, clearly, historically, the department started with

00:28:12

emphasis in experimental solid-state physics

00:28:14

or what was then solid-state physics of a particular kind;

00:28:17

specifically, things like colour centres and

00:28:22

you know conventional band structure calculations and so on

00:28:25

and Professor Srinivasan had set up very early on

00:28:28

an extremely successful low-temperature physics programme;

00:28:31

cryogenics and low-temperature physics experimental programme

00:28:34

that must - it must be said that

00:28:36

that was one of the country’s first such programmes.

00:28:38

[Prof. S. Govindarajan] That we had a helium plant, right? [Prof. Balakrishnan] There was the helium plant

00:28:40

[Prof. S. Govindarajan] Working helium. [Prof. Balakrishnan] which arrived here, I believe in 1970 or '71

00:28:44

and which was a kind of one-of-a-kind facility

00:28:48

in this part of the country at that time,

00:28:50

apart from maybe BRC or TIFR.

00:28:52

So, that was a very significant achievement of the physics department,

00:28:58

but after that, it focused essentially on one subject,

00:29:01

one part of one subject.

00:29:03

And it was not even geared to

00:29:08

other developments in condense metaphysics such as

00:29:11

the whole theory of critical phenomena and

00:29:14

even the experimental study of critical phenomena and stuff like that.

00:29:18

But then over the years it started slowly expanding

00:29:22

as it should, as it must, inevitably,

00:29:25

and more and more people came in very slowly at first

00:29:28

and then a little faster later on in recent years.

00:29:32

Till today, I think we have a reasonably healthy balance,

00:29:36

certainly the experiment to theory balance was skewed in the early days.

00:29:42

No one knows what the ideal balance is in the Physics Department,

00:29:45

but certainly 2 to 1 ratio would not be too bad.

00:29:49

Which is what it’s roughly now I think.

00:29:51

Which perhaps is what it is now 2 to 1 or even maybe,

00:29:54

you know, 5 to 2 or something like that would be alright.

00:30:04

But that wasn't attained in those days and it did

00:30:08

it - it was a luck, you know, and that I am very happy to say that -

00:30:11

see that it's been kind of addressed.

00:30:15

We have very good people now

00:30:17

and I think the institute as a whole of course,

00:30:20

and then the department in particular is certainly on an upward trajectory.

00:30:25

I would go so far as to - I said this to the review committee when they

00:30:28

came and of course, I'd retired by then

00:30:30

but I said so, I could say this in a very

00:30:32

casual and irresponsible way and perhaps the review committee felt

00:30:36

a little taken aback by this, they smiled.

00:30:40

When they said the department was a good one,

00:30:42

I said it's the best one among the IITs

00:30:44

and then of course, maybe that is arguable.

00:30:48

But I - I would say that we certainly have today

00:30:52

an extremely vibrant department which is extremely

00:30:56

active both research and teaching-wise, yeah.

00:30:59

You are very well known as a teacher but

00:31:03

personally, I think you are even more remarkable as a scientist.

00:31:08

And so, let us just talk a little bit about your research,

00:31:11

I also know that it's not like you be - you worked on one topic,

00:31:15

your thesis was on S-matrix theory high - you know,

00:31:18

theoretical high energy physics.

00:31:20

And, then promptly in your first post-doc you were doing many body theory

00:31:24

and it evolved over the years.

00:31:26

So, could you tell us a little bit of the kind of problems you worked on

00:31:30

and the evolution of your research?

00:31:33

It - I kind of fell into these problems out of curiosity

00:31:38

... more or less by chance, in some sense.

00:31:42

So, when I ... was in TIFR, I slowly shifted out of high energy physics

00:31:49

which had gone in a different direction then

00:31:51

and the reason was that the gauge theories had just come in,

00:31:54

electroweak unification had just been demonstrated,

00:31:57

't Hooft's papers had just come in.

00:31:59

And I didn't have enough field theory

00:32:01

background to be able to follow this

00:32:03

and contribute in terms of research

00:32:04

but by that time I had also found an interest

00:32:06

in many body theory and statistical physics.

00:32:10

So, I did some work on the Heisenberg ferromagnet

00:32:12

Green's functions for it, low temperature properties and so on

00:32:16

and then slowly moved out. When I went to Kalpakkam,

00:32:19

the shift was to materials science

00:32:22

and we set ourselves the task of doing something new

00:32:26

which is to understand mechanical relaxation

00:32:30

using linear response theory.

00:32:32

[Prof. S. Govindarajan] So, that's how you got into linear response theory. [Prof. Balakrishnan] That's right.

00:32:34

[Prof. S. Govindarajan] Through mechanical relaxation. [Prof. Balakrishnan] Through mechanical relaxation,

00:32:37

because there's a well-established

00:32:38

theory of dielectric relaxation and magnetic relaxation

00:32:41

and the idea was there should be a parallel in mechanics and there is

00:32:45

except that it is for very low strains

00:32:47

and it's things like anelasticity and linear viscoelasticity

00:32:50

which are not of direct interest to metallurgists.

00:32:53

It didn't take long for me to realize that the really hard problems in

00:32:57

metallurgy are non-linear,

00:32:58

intrinsically extremely complicated non-linear complex systems.

00:33:02

But as a baby step, one could look at the linear regime,

00:33:07

the time-dependent elasticity in the linear regime.

00:33:11

And sure enough it turned out

00:33:12

that if you looked at the dynamics of defects

00:33:15

using stochastic as well as statistical methods,

00:33:18

you could formulate ... an approach to mechanical relaxation,

00:33:26

things like anelastic creep and stress relaxation and so on

00:33:31

on the same footing as that for dielectric and magnetic relaxation

00:33:35

and you had the same role played by fluctuation, dissipation theorems

00:33:39

in both the first and second ones in this.

00:33:41

So, we developed that for a few years,

00:33:44

that kind of got me interested in random processes

00:33:46

and stochastic processes

00:33:48

and after coming here I looked at the

00:33:50

problem of hydrogen diffusion in metals

00:33:52

which is a very complicated diffusion problem,

00:33:55

its got mixing of classical and quantum properties here, diffusion here.

00:34:00

And that led me to looking at random box

00:34:03

and random box has stayed a kind of recurring interest for the last

00:34:09

35, 40 years now, many years now.

00:34:12

So, that's one aspect of it.

00:34:14

My first students here we did things on random box

00:34:17

and diffusion and generalized diffusion, anomalous diffusion,

00:34:22

continuous time random box, first passage times and so on

00:34:26

for several years through the decades in the '80s and into the early '90s.

00:34:32

So, you were actually being very productive

00:34:35

at a time when you were teaching 2 to 3 theory courses.

00:34:38

Yeah, surprisingly the semesters

00:34:40

I had the maximum teaching load, I also felt

00:34:42

obliged to do the maximum amount of research

00:34:45

because I felt guilty that I wasn't, you know, spending enough time on that.

00:34:49

So, yes, I think when you're kept busy, then you tend to work harder,

00:34:54

when you when you have a lot of things to do.

00:34:57

Then in the '90s, I slowly switched to dynamical systems

00:35:01

and had a few papers on non-linear dynamics,

00:35:05

got into chaos and stuff like that.

00:35:08

And then a little later into - back to quantum physics

00:35:12

to isospectral oscillators, generalized coherent states, things like...

00:35:17

These were all tailored toward students were on at the time and

00:35:21

what their thesis topics would be like.

00:35:25

[Prof. S. Govindarajan] And, now you are working on quantum dynamics. [Prof. Balakrishnan] on quantum dynamics

00:35:28

because there's this fascinating world of quantum optics

00:35:32

and atom optics and kind of coming together of

00:35:40

fundamental quantum mechanics, operator theory

00:35:44

in the behaviour of -

00:35:46

in a nutshell the behaviour of quantum mechanical systems

00:35:50

which show all the normal complexities of quantum physics

00:35:54

like entanglement and multipartite systems interacting with each other,

00:36:00

along with the fact that classically, these are chaotic systems.

00:36:06

So, signatures of chaos as they translate into these systems,

00:36:11

signatures of non classicality

00:36:16

in mainly in photonic systems, etcetera.

00:36:20

So, it’s a hotchpotch of many things,

00:36:22

but there's an underlying method in the madness -

00:36:24

is a theme which Professor Lakshmi Bala

00:36:29

and I have been exploring for many years

00:36:32

which is to understand using expectation values

00:36:37

of physical observables and their higher moments

00:36:40

and the expectation values of - and correlators

00:36:42

and things like that in quantum systems

00:36:46

And your ideas of recurrence from the early days

00:36:48

is coming back in some sense.

00:36:50

Yes, yes, there are deep connections between

00:36:53

revival phenomena in quantum physics,

00:36:57

wave packet revival phenomena,

00:36:59

fractional revivals, full revivals on the one hand,

00:37:02

and recurrences in the Poincaré sense in classical dynamical system.

00:37:07

So, I have got some papers on recurrence statistics,

00:37:11

recurrence time statistics and different kinds of chaotic systems

00:37:15

including intermittent systems and then

00:37:17

ranging all the way from quasiperiodic

00:37:19

to chaotic fully developed chaotic systems.

00:37:22

And, each of them has their own peculiarities

00:37:24

for the recurrence time distributions

00:37:27

and the idea was to explore if

00:37:28

there are connections with revivals and fractional revivals

00:37:31

in the corresponding quantum counterparts to this

00:37:34

and we have some interesting results.

00:37:36

So, the whole idea is to see to what extent

00:37:40

phase-space descriptions can play a role in quantum mechanics.

00:37:44

As you know on the one side,

00:37:45

you have the Wigner distribution and its generalizations,

00:37:49

but on the other side you could also take a more naive approach

00:37:51

and look at expectation values

00:37:54

of observables and their higher powers and cross correlators and so on,

00:38:00

treat them as dynamical variables in some effective phase space

00:38:03

and see what the plots look like

00:38:05

and what signatures of quantum physics they carry here.

00:38:08

That’s been a kind of general programme,

00:38:11

ongoing programme for about 2 decades now.

00:38:14

One feature of your research which I personally

00:38:18

like a lot is the fact that

00:38:21

you come up with exact solutions,

00:38:23

exact by mean there are no approximations

00:38:26

to ... to illustrate non trivial behaviour.

00:38:30

And maybe you can tell us about a couple of them so that -

00:38:33

Well, I think it's just a personal

00:38:37

like in some sense because I'm not very strong in numerics

00:38:45

or in computation - the students are

00:38:48

and I rely on them entirely for this purpose -

00:38:51

but at the same time, I've always felt that if you have a model

00:38:56

which captures some of the essential features that you want to explain

00:39:00

for more complicated systems,

00:39:02

then it’s worth solving the model as exactly as possible

00:39:05

because any reliability that you place on the

00:39:09

results from this model

00:39:11

shouldn’t be dependent on the approximations that you made.

00:39:15

On the other hand, if you start with a model

00:39:17

which is already a caricature of reality,

00:39:19

or a real physical system,

00:39:21

and then you make further approximations to it and they get uncontrolled,

00:39:24

then any results that you get you have no way of deciding

00:39:27

whether it's an artifact of the approximations

00:39:29

or whether the model has captured whatever you wanted to do.

00:39:33

There's this uncertainty and it's difficult to decide

00:39:36

what to do in such a case.

00:39:38

So, it - it would be good to have analytic solutions to simple models

00:39:42

but of course, what happens in most cases is that

00:39:45

these analytic solutions occur for models

00:39:48

are possible only for models which are extremely simple

00:39:51

and oversimplify the real situation.

00:39:53

So, the trick is to find systems which are not oversimplified,

00:39:58

but which at the same time can be analytically solved

00:40:01

like one dimensional models, for example, very often are solvable

00:40:05

but they may not have real features that you may want to capture.

00:40:08

Just to give you an instance, not something I worked on,

00:40:11

even if you know that the one-dimensional Ising model

00:40:14

does not have a phase transition in the standard sense,

00:40:17

you'd still like to understand correlation functions

00:40:20

or the renormalization decimation procedure

00:40:22

from these one-dimensional models,

00:40:24

where it can be implemented exactly.

00:40:27

So, they still have valuable lessons to give

00:40:29

for more complicated systems.

00:40:32

Ok. So, the last part we will just...you've been writing books over the years.

00:40:38

In fact, your first book was written when you were at ... in Kalpakkam.

00:40:43

So, can you just tell us

00:40:44

something about the various books that you've written?

00:40:47

The first book was not written - it was written with -

00:40:50

[Prof. S. Govindarajan] You were already in IIT Madras. [Prof. Balakrishnan] I was already in IIT Madras when it was published,

00:40:53

it was a Springer for book on the Solid-State Sciences.

00:40:57

We had, in Kalpakkam, looked at topological defects in condensed matter

00:41:02

a little bit, didn’t do much original research on it,

00:41:05

but we looked at what kind of arrangements could -

00:41:09

how you could understand the structure of glass.

00:41:12

So, it was basically a disordered system

00:41:14

and there were ideas floating around at that time

00:41:16

due to the French school particularly,

00:41:18

that maybe there are regular tilings in curved spaces and when

00:41:21

projected onto Euclidean space, they looked disordered the way they do.

00:41:25

That’s an oversimplified idea

00:41:27

but in that connection there were proposition,

00:41:32

there were suggestions to have

00:41:34

quote unquote Gauge Theory of Glass,

00:41:37

using the Gauge theory of defects and

00:41:39

dislocations and disclinations which had been developed

00:41:43

by people in continuum mechanics.

00:41:46

Now, that programme didn't really go too far at that time

00:41:50

but we decided to write a short monograph

00:41:53

explaining in very simple terms, the notions of symmetry, broken symmetry,

00:41:57

broken ergodicity

00:41:59

and then give an introduction to gauge theories in this context

00:42:04

and that was the Springer book which came out in '89,

00:42:07

it's called Beyond the Crystalline State,

00:42:09

because it dealt with things beyond the normal lattice dynamics of crystals.

00:42:13

We even included a little bit about quasiperiodicity,

00:42:16

incommensurate phases, Penrose tiling and so on.

00:42:20

Later on, much later, I wrote this book on Nonequilibrium Statistical Mechanics

00:42:25

based on the courses I have given here, basically [inaudible].

00:42:28

[Prof. S. Govindarajan] This was after retirement or - [Prof. Balakrishnan] Book was published in 2008,

00:42:33

but I had the, yeah, in the last year or two of retirement,

00:42:36

I had already started collecting material on this.

00:42:40

It was a set of notes that I had written when I was in Kalpakkam

00:42:43

as a report and then that got elaborated

00:42:45

and the book should have been written earlier but I just didn’t do it.

00:42:50

And then after 2010, I started collecting material

00:42:54

which I had been giving in earlier courses in Mathematical Physics

00:42:57

and it was - that book has been published this year,

00:43:01

late last year - early this year, that was a major effort.

00:43:06

It took me more years than I thought it would,

00:43:09

I thought I'd finish it in 2 years, it took me 4 times as long

00:43:13

or three and a half times as long.

00:43:15

And I know that you are working on

00:43:17

many more book projects and

00:43:21

so, what is your - what are you currently working on?

00:43:23

... When I started this Math Physics book seriously

00:43:27

I put on the backburner a book on problems

00:43:29

and solutions and non-Linear dynamics

00:43:31

which in all these books I wanted to have a - a point of view

00:43:37

before one would start writing a book.

00:43:40

And in the case of this Non-Linear Dynamics book,

00:43:42

the point of view is that I'd like to lay equal emphasis on

00:43:46

Hamiltonian or conservative systems as on dissipative systems

00:43:50

and equal emphasis on discrete time dynamics

00:43:53

as on continuous time dynamics.

00:43:54

So, maps and flows - with that view, I have several chapters already;

00:44:01

I'm well into the book I'd say about - it’s about two-thirds complete

00:44:05

and I hope to finish it fairly soon.

00:44:08

And what are the other projects in the annual?

00:44:11

Well, there are several research problems

00:44:14

which I should pay more attention to,

00:44:18

for which every now and then I get scattered away from it,

00:44:23

there's a kind of desire to write another book of problems and

00:44:27

solutions on conventional statistical physics.

00:44:30

I have the material ready, it's just got to be [inaudible]

00:44:33

I haven’t done that and then it has to be expanded

00:44:39

and that would be one thing which I...

00:44:41

I have a couple more distant dreams

00:44:44

but I am not sure whether - one at a time I think.

00:44:48

[Prof. C. S. Swamy, off-camera] Excuse me, by the time you joined, the Physics Department had

00:44:53

stopped doing demonstrations [inaudible] the first year students.

00:44:57

[Prof. S. Govindarajan] No. [Prof. C. S. Swamy, off-camera] The Physics Lecture Theatre, Chemistry Lecture Theatre,

00:44:59

they used to conduct the

00:45:01

[Prof. C. S. Swamy, off-camera] first year class because they had to show the demonstrations. [Prof. Balakrishnan] Oh yes, yes, oh yes.

00:45:04

[Prof. Balakrishnan] Well, even after I joined, this went on for many years and [Prof. S. Govindarajan] Even in 2014.

00:45:09

[Prof. S. Govindarajan] I actually had demonstrations. [Prof. Balakrishnan] Yeah.

00:45:12

[Prof. C. S. Swamy, off-camera] You had, is it? [Prof. S. Govindarajan] Yeah.

00:45:14

[Prof. C. S. Swamy, off-camera] Ah, because professor - from the time of Prof. Koch, [Prof. Balakrishnan] Yeah.

00:45:17

[Prof. C. S. Swamy, off-camera] And [inaudible], it had started. [Prof. Balakrishnan] Yeah, they...

00:45:21

[Prof. Balakrishnan] And in fact, they used to have the classes only in those days, that's the thing. [Prof. Balakrishnan] Yes.

00:45:24

the - the Lecture Theatre was built specifically

00:45:27

so that they could actually illustrate mechanics.

00:45:30

They had a lot of very beautiful demonstrations equipment,

00:45:33

piece of equipment from Germany

00:45:35

and in particular, they had this huge turntable

00:45:37

on which you could place 2 chairs

00:45:39

and then you could have a rotating frame of reference, illustrate

00:45:42

[Prof. Balakrishnan] all the non - inertial forces and angular momentum. [Prof. S. Govindarajan] Rotating wheel.

00:45:47

Yes, it’s a pity that these went out

00:45:50

partly because I think the curriculum got abbreviated,

00:45:53

got foreshortened; it was assumed.

00:45:57

I remember distinctly that in the '80s,

00:46:00

it was specifically stated almost that

00:46:06

students had already read those who got into IIT had already absorbed

00:46:10

what was in Resnick and Halliday.

00:46:11

And therefore, there was no reason to repeat

00:46:14

elementary mechanics anymore

00:46:16

and it got an early - you know, it - it - it was discouraged to some extent,

00:46:21

the curriculum didn't have space for this and then

00:46:25

[Prof. Balakrishnan] gradually the number of... [Prof. S. Govindarajan] But still there were demonstrations.

00:46:27

We still have and I think it -

00:46:29

[Prof. S. Govindarajan] Few times. [Prof. Balakrishnan] wherever it's possible it should be revived,

00:46:32

but in the presence of - in the availability of

00:46:35

[Prof. Balakrishnan] very good animation and things on - [Prof. S. Govindarajan] And YouTube.

00:46:39

On YouTube, this has become a little per se

00:46:42

but I still think that a live demonstration - nothing like it, I mean.

00:46:46

I remember not too many years ago going to a school and then

00:46:50

they had issues with understanding

00:46:52

the 12th standard electromagnetic waves:

00:46:54

the idea that you have transverse waves

00:46:57

with electric and magnetic fields in perpendicular directions

00:46:59

oscillating and then a propagation in the third direction.

00:47:02

We have a beautiful piece of equipment where you have rods in

00:47:06

two perpendicular directions coloured differently and you rotate a

00:47:09

wheel and there's this beautiful wave

00:47:11

motion which appears to propagate

00:47:13

and that single piece of equipment is worth

00:47:16

dozens of pages in textbooks and explanations,

00:47:19

because all you have to do is to rotate this wheel

00:47:22

and students understand instantaneously

00:47:24

what polarization is and what transverse waves are.

00:47:27

So, in that sense, I think that these demonstrations should be

00:47:31

to the extent possible, revived;

00:47:33

unfortunately, the classes are extremely large now.

00:47:36

And also my experience from 2014

00:47:40

was that we had 850 students

00:47:44

and so, PHLT can hold 200.

00:47:47

So, what we did -

00:47:48

we broke them up into 4 batches

00:47:52

and turns out that many of them were not interested because

00:47:56

attendance was not compulsory.

00:47:58

And ... the - when I mentioned this to

00:48:02

students who graduated maybe you know

00:48:04

6, 7 years ago; they said: sir, we used - may have bunked classes

00:48:08

[Prof. S. Govindarajan] but we never missed the demonstration. [Prof. Balakrishnan] Yeah.

00:48:10

Also you get chocolates, you are asked questions

00:48:12

and you you get chocolates and that was you know they said

00:48:16

you know I remember PHLT would be filled

00:48:19

and people sitting in the stairs,

00:48:21

you know not just - seats were not enough.

00:48:23

And ... but times have changed in some sense.

00:48:27

[Prof. C. S. Swamy, off-camera] I have another question, your notes for the NPTEL.

00:48:32

This is meant at the - for M.Sc. standard, Master's standard

00:48:38

or is it at the - the engineering students only,

00:48:42

the books - I mean, the lectures you are doing under NPTEL.

00:48:46

The courses on overview of classical physics

00:48:48

and overview of quantum physics

00:48:50

were specifically undergraduate courses,

00:48:52

they were part of the minor stream.

00:48:55

On the other hand, I did introduce topics especially

00:48:58

in the second course on quantum mechanics

00:49:01

in - in the course on quantum physics.

00:49:03

I did introduce some topics which were little more advanced

00:49:07

and the notes do contain some material which

00:49:10

is more advanced on operator theory and so on.

00:49:14

The courses on Mathematical Physics and Stochastic Processes.

00:49:21

[Prof. S. Govindarajan] Non-Equilibrium. [Prof. Balakrishnan] Non-Equilibrium Statistical Physics,

00:49:24

these are M.Sc. courses.

00:49:25

Those are M.Sc.-level courses.

00:49:27

Although in all the courses that I have taught throughout my career at IIT,

00:49:31

they've always been open to undergraduates,

00:49:34

I've always given consent of teacher for whatever

00:49:37

to whoever wants to attend these courses.

00:49:40

Although, undergraduates maybe in the first

00:49:43

year or two may not be able to -

00:49:46

wouldn’t have enough background material to take these courses.

00:49:50

But in the third and fourth years I have had large numbers of undergrads

00:49:54

taking these courses as electives.

00:49:56

[Prof. C. S. Swamy, off-camera] The reason I asked you was, you know, Ramakrishnan, Venki.

00:50:00

He talks about the Berkeley lectures which

00:50:05

[Prof. C. S. Swamy, off-camera] he learnt in Baroda University. [Prof. Balakrishnan] Yes.

00:50:08

And of course, IIT Kanpur they were talking about Richard Feynman’s lectures.

00:50:12

And two volumes you know.

00:50:15

So, those are meant for the Bachelor’s level or at the Master’s level?

00:50:22

[Prof. C. S. Swamy] Feynman’s or. [Prof. Balakrishnan] Ok.

00:50:24

[Prof. C. S. Swamy] The Berkeley lectures. [Prof. Balakrishnan] Yeah. Let me take the Feynman lectures first,

00:50:27

he gave them in the early '60s to undergraduates.

00:50:30

But, as is well known from what he has said in - in the book itself,

00:50:36

as the lectures went on, more and more undergraduates dropped out

00:50:41

and more and more graduate students

00:50:42

and faculty members attended the lectures.

00:50:45

So, they were learning.

00:50:46

So, clearly Feynman’s viewpoint was so original

00:50:49

and things were so beautifully meshed together and brought in,

00:50:52

that it's only people who already had a knowledge of

00:50:55

the subject at some basic level could appreciate this.

00:50:58

So, it's like you know an exquisite music concert

00:51:01

and the lectures themselves apart from the

00:51:03

first volume's initial lectures reflect this

00:51:05

because the topics are absolutely eclectic.

00:51:08

Everything is brought together,

00:51:09

you see this incredible unity of the subject,

00:51:12

but it's not a textbook for beginners, certainly.

00:51:16

On the other hand, the Berkeley physics course was a deliberate effort

00:51:20

to have a 5 volume set of books

00:51:24

accessible to undergraduates

00:51:26

and it's my personal opinion that to this day, they remain the very best

00:51:30

set of textbooks for undergraduate physics.

00:51:35

Book 1 is on Mechanics, book 2 is on Electricity and Magnetism,

00:51:39

book 3 is on Waves and Oscillations.

00:51:42

4 is on quantum physics, 4 is on statistical physics

00:51:45

and 5 is on quantum physics or vice versa.

00:51:48

They're all written by extremely competent people,

00:51:51

very very good people and the textbooks are brilliant in their own way

00:51:57

[Prof. Balakrishnan] and they are at a lower level. [Prof. S. Govindarajan] Purcell's introduction.

00:52:00

[Prof. Balakrishnan] Purcell's introduction ... absolutely. [Prof. S. Govindarajan] of magnetism is.

00:52:03

So, each of the books is a gem

00:52:05

[Prof. Balakrishnan] Reif’s book on Statistics Physics is an absolute gem; [Prof. S. Govindarajan] Statistical Physics.

00:52:08

if a student reads - goes through those books,

00:52:12

he or she doesn't need anything else for undergraduate physics.

00:52:14

I would say B.Sc. Physics Theory you have.

00:52:16

Absolutely and I would say good part of the Master's too,

00:52:19

except for specialized subjects.

00:52:21

And in that sense I think the Berkeley Physics Course

00:52:25

which is available in an inexpensive edition in India today

00:52:28

is a great help and you know I very strongly recommend it to colleges,

00:52:33

to students everywhere in the country.

00:52:35

[Mr. Kumaran Sathasivam, off-camera] Professor Balakrishnan, can I ask you about the connection. [Prof. Balakrishnan] Yes.

00:52:38

that you mentioned with Professor Srinivasan, which brought you to IIT.

00:52:42

Can you tell us about that?

00:52:43

How did you brief [inaudible] about that?

00:52:45

I'm not very sure exactly, I don't recall exactly when I met him first.

00:52:50

There was in this of course, I came here in '76 and '77 as I mentioned

00:52:58

and Professor Srinivasan by that time already was well-known

00:53:01

to be the leading expert in lower temperature physics.

00:53:04

So, people in Kalpakkam were interested in this year.

00:53:07

And, on trips to Madras I have visited IIT during that time,

00:53:13

we'd come in a minibus to do various things in - in Chennai.

00:53:17

And, I've spent days in IIT and looked at the lower temperature lab

00:53:21

and got to know him then, we have a working helium plant, I mean.

00:53:26

It was fascinating absolutely.

00:53:28

And I got to know him then and Professor Srinivasan and my old

00:53:33

boss at Kalpakkam, Dr. G Venkatraman, a very well known

00:53:37

physicist from the Atomic Energy Department, they were close friends.

00:53:41

They are contemporaries and close friends,

00:53:43

I believe they were even college mates

00:53:45

maybe not...within a year or two of each other I guess, Presidency College.

00:53:50

And they knew each other very well.

00:53:53

So, I got to know Professor Srinivasan through Dr. G. V. as we call him.

00:53:58

And then he suggested that a course on Quantum Theory of Solids

00:54:04

kind of modernizing solid-state physics be framed

00:54:08

and taught in IIT and I think Dr. G. V. suggested my name for it.

00:54:12

[Mr. Sathasivam, off-camera] Was that for the - I mean, there were only M.Sc. students right?

00:54:14

There were only M.Sc. students in that course.

00:54:16

So, I started giving that course here,

00:54:18

I would come 3 days a week in the minibus

00:54:21

and then give the course and spend the day here and go back in the evening.

00:54:25

And, as the course got given, it - I - I had a full room

00:54:30

of people and they were not all the M.Sc. students,

00:54:32

there were many research scholars here

00:54:34

and there were students from the theoretical Physics Department

00:54:37

at I - at the University of Madras

00:54:40

because Professor Matthews heard that this course was being given

00:54:42

and he suggested I [inaudible].

00:54:44

It was not a credited course.

00:54:45

It was an M.Sc. elective.

00:54:47

So, I didn’t take care of the administrative part of the course,

00:54:51

since I was not a faculty member here. Yes.

00:54:53

So, I do not know who graded the course and who gave, you know,

00:54:56

who gave the grades and so on,

00:54:58

but it was an M.Sc. elective at that time... Oh, it was.

00:55:01

and... But you mentioned university students, how did they

00:55:03

how did the university students - Professor Matthews,

00:55:06

he is a contemporary of Professor Srinivasan and G. V.’s.

00:55:10

So, he heard about this course, I guess

00:55:12

and then he suggested that some of his students attend it here.

00:55:15

[Prof. S. Govindarajan] Just auditing, I guess. [Prof. Balakrishnan] They they would audit, they audited the course.

00:55:19

So, the notes that I made for this course, I did a lot of reading up and so on,

00:55:24

I wrote as a reactor research centre report, a big report

00:55:28

and sent it out to various people.

00:55:31

And I didn't take their suggestion,

00:55:32

people suggested that I should make it into a little book

00:55:36

and I should have done it at that stage, of course.

00:55:39

But the notes, the - the report was quite popular; many

00:55:42

copies were distributed to people and so on.

00:55:45

And then, in the second year in '77, Professor Srinivasan said

00:55:48

I should repeat it since people - it had been favourably received the first time.

00:55:53

And after that...he was - he expressed interest in my coming to IIT.

00:56:01

He said I should really come here and you know teach

00:56:04

and the opportunity didn't present itself till 1980 or so,

00:56:09

and then when I did, I did take his advice and applied.

00:56:12

It’s good for IIT sir,

00:56:13

I - I would like to also ask you about the colleagues

00:56:16

you had in those early years, in the 1980s

00:56:18

and about the facilities of the department at that time.

00:56:22

I'm pretty sure the facilities were nowhere near what they have now,

00:56:26

that's very obvious... As far as

00:56:31

I was concerned since the only facilities I needed were

00:56:34

[Prof. S. Govindarajan] Cyclostyling machine. [Prof. Balakrishnan] Paper and pencil and a waste basket.

00:56:37

So, I didn't feel the need for, you know, I didn't feel any lack of facility,

00:56:43

there was plenty of academic freedom here.

00:56:45

And... Professor Indiresan was the Director

00:56:49

and he essentially I think

00:56:54

had a lot to do with the the credit-based semester system here,

00:56:58

in this institute and he gave complete academic freedom to people

00:57:05

and... he introduced - I think he introduced relative grading,

00:57:08

I wouldn’t know because I don’t know

00:57:09

what the system was before I came here

00:57:11

but the very first courses that I taught in Physics-I, I still remember

00:57:15

we had to fit a Gaussian to it and then there was a...you gave

00:57:21

[Prof. C. S. Swamy, off-camera] Yeah, Gaussian. [Prof. Balakrishnan] You - you put cut-offs and then those who had

00:57:23

[Prof. Balakrishnan] full attendance were shifted into... [Prof. Swamy] Yeah, yeah.

00:57:25

[Prof. S. Govindarajan] That extra marks you had, right, [Prof. Balakrishnan] they were given a little extra thing

00:57:27

[Prof. S. Govindarajan] if you had at- [Prof. Balakrishnan] to move them to - if you were within a certain range.

00:57:30

So, it was an elaborate exercise.

00:57:32

I have one story to tell about

00:57:35

may not - my memory may not be totally accurate

00:57:39

to tell about the grading: the very first course that I taught

00:57:43

in in the undergraduate programme in '81.

00:57:48

It was Physics-I in the semester July to December of 1981

00:57:53

and out of the total number of students who took Physics-I,

00:57:58

the grades in those days were not S, A...

00:58:02

[Prof. S. Govindarajan] Just A B C D E. A B C D U. [Prof. Balakrishnan] A B C D E.

00:58:05

[Prof. Balakrishnan] There was A B C D and F. [Prof. S. Govindarajan] U

00:58:08

[Prof. S. Govindarajan] U for fail. [Prof. Balakrishnan] For fail if I remember correctly.

00:58:10

Yeah, there was an F for fail

00:58:13

and we drew this - I drew this histogram, there were four of us teaching it

00:58:17

and myself, Professor Srinivasan, Ramabhadran and Swaminathan

00:58:22

and we went strictly by the book.

00:58:24

We drew this graph, it was a beautiful Gaussian,

00:58:26

there were 240 students in the class and we gave this.

00:58:29

[Prof. Swamy] It was very difficult to get the Gaussian in this [Prof. Balakrishnan] Yes but the number of days

00:58:32

[Prof. Swamy] Small number. [Prof. Balakrishnan] given in the course was a handful,

00:58:38

like 6 or 7 out of 240 -

00:58:41

this created some comment because they said

00:58:45

I still remember being told this: they said,

00:58:48

well, the number's much larger in Chemistry,

00:58:49

it's much larger in Computer Science,

00:58:51

much larger in Mathematics.

00:58:53

How come it’s so hard in Physics? It’s impossible.

00:58:57

So, I...you know, I kind of shrugged my shoulders and said that’s what the

00:59:01

that’s what it says here, because if you did

00:59:03

1.2 times the standard deviation and you went beyond it

00:59:06

and gave A grades, that's the number and you,

00:59:08

by definition you've said A is outstanding or excellent,

00:59:12

B is very good, C is fair and D is marginal and E...F is fail.

00:59:17

So, I take that literally and the matter was taken up

00:59:24

and then I had to explain that...

00:59:30

I was asked whether physics was different in any way

00:59:32

to which I kind of said maybe intemperately I said: yes, it’s different.

00:59:37

And I was asked how, how it's, why is it so different?

00:59:40

Then I kind of tried to explain that while Mathematics was

00:59:44

something which, there was a set of rules

00:59:47

of calculus or whatever they were teaching, Real Analysis,

00:59:50

and if you mastered those rules, you mastered the subject.

00:59:53

Chemistry likewise, Chemistry they did not try to

00:59:56

explain the Quantum Theory of valence which is very hard.

00:59:59

They said there is this element, has this valence

01:00:02

and this valence and so on and that was the end of it

01:00:06

and Computer Science also was a set of rules.

01:00:08

But Physics was a situation where according to the syllabus we had,

01:00:13

you took a physical system and you changed,

01:00:16

you formulated a physical phenomenon in mathematical terms,

01:00:19

solved the equations that arose using mathematical tools

01:00:23

which the students who were just learning

01:00:26

and then reinterpreted the solution back in physical terms

01:00:29

and this two way translation is hard enough for professionals,

01:00:32

much harder for young students.

01:00:34

So, that's why Physics at that level is more difficult

01:00:36

than Chemistry or Mathematics or Computer Science;

01:00:39

at least so I thought, that is how I felt.

01:00:42

And in any case, this apparently had reached Professor Indiresan’s ears.

01:00:46

[Prof. S. Govindarajan] Wasn’t his daughter part of that class? [Prof. Balakrishnan] Pardon me.

01:00:49

[Prof. S. Govindarajan] His daughter. [Prof. Balakrishnan] I am not sure if she was also in that class.

01:00:51

She was. She was. She was in that class.

01:00:52

[Prof. Balakrishnan] Might have been. [Prof. S. Govindarajan] She is 1 year my senior so,

01:00:54

But in any case the grades

01:00:57

fell where they fell and

01:00:59

Professor Indiresan casually met me one day near the Ad Block

01:01:02

and by this time I realized post facto that it had gone to him

01:01:06

and so on because you know I stuck to the grades

01:01:09

and we - we as a team stuck to the grades and so on.

01:01:12

So, he said: it appears that you are very harsh in grading.

01:01:17

I said - I was taken aback and then he added as he passed by, he kind of said, "but fair."

01:01:23

So, it's ok and then he went off.

01:01:25

I still remember that and...

01:01:31

[Prof. S. Govindarajan] So, Professor Balakrishnan, thank you so much. [Prof. Balakrishnan] Thank you.

01:01:33

For giving the Heritage Centre your time.

01:01:36

[Prof. S. Govindarajan] Thank you very much again. [Prof. Balakrishnan] My pleasure, thank you.

Oral History Project

< Back

Prof. P.T Manoharan in conversation with Prof. S. Subramanian

00:00:03

Ok. How are you Professor Subramaniam?

00:00:06

Oh I'm doing fine.

00:00:07

Ok. See for the general information

00:00:10

let me state that I am actually from Madras University

00:00:14

with an MA MS degree and Master’s Degree

00:00:18

with the second rank. Then of course, I was debating

00:00:22

what to do for some time then I decided to go abroad

00:00:26

for higher studies even though I was also selected

00:00:29

for the Air Force to be very surprisingly.

00:00:31

But I decided to go abroad.

00:00:33

So, I went to Columbia University with the help of the

00:00:35

Fulbright Fellowship which was given by the United States

00:00:38

Education Foundation. USA.

00:00:40

In India and also a scholarship

00:00:42

from Columbia University itself

00:00:46

that that was my Ph.D. that's where I did my Ph.D.

00:00:48

with the famous Professor by name famous,

00:00:51

but very young professor by name Professor Harry B. Gray.

00:00:54

It's a kind of a new field in which was beginning

00:00:57

to work crystal field theory and spectroscopy.

00:00:59

Then of course, after getting my degree in 1966,

00:01:04

I moved to Michigan State University

00:01:06

to work as a you know research associate cum

00:01:10

assistant professor for a period of about 3 years.

00:01:13

Ok. Meanwhile I just went came here.

00:01:17

In those days you cannot come to.

00:01:19

Very often. India quite often. So, I went home

00:01:22

only after 4 years of stay at Columbia University.

00:01:24

So, I stayed for 3 years there we learn

00:01:27

new spectroscopic techniques compared to what

00:01:30

I had done in the I have I have done

00:01:33

in Columbia University then of course,

00:01:35

from there I was directly recruited by

00:01:38

IIT Kanpur for for an assistant professorship post.

00:01:43

So, I went to IIT Kanpur as my first stay.

00:01:47

subsequently I decided to not I decided

00:01:51

other people decided my fate that's both

00:01:55

Professor A. Ramachandran there in director

00:01:57

of the director of IIT Madras.

00:02:00

And probably the one who really brought in

00:02:03

the experts from various faculty into the institute

00:02:06

and with the compulsion from C.N.R. Rao

00:02:09

I landed up at IIT Madras in the year 1972

00:02:14

February month. That was what I specifically remember.

00:02:19

Thereafter of course, I was part of the chemistry department,

00:02:23

but at the same time one-day

00:02:24

Professor Ramachandran called me and said; now

00:02:27

as I already requested you without telling others

00:02:30

that you are going to be in charge of the

00:02:32

special instruments laboratory.

00:02:34

And then he asked me I wanted to

00:02:37

take in two more people who could just

00:02:40

go with you for higher things

00:02:42

and I said ok, sure of course,

00:02:44

I do know there are couple of guys who can

00:02:46

join me and I turned out to be I said

00:02:49

see my basic interest was quantum mechanic,

00:02:51

quantum chemistry and spectroscopy.

00:02:53

So, I have to rely on similar people

00:02:55

in order to develop a big laboratory.

00:02:57

So, then of course, I chose Professor

00:03:01

Sardar Surjit Singh as well as Professor Subramaniam.

00:03:04

And both of them have similar expertise only

00:03:06

thing there are small differences in our expertise.

00:03:09

So, for example, they join and then we three

00:03:12

became what is it called leaders.

00:03:14

Some people you know he wants to say some people

00:03:17

call us three musketeers outside,

00:03:19

but doesn't matter, but I was the leader leader of the team

00:03:23

and then of course, we created from specially first took

00:03:26

charge of the special instruments laboratory

00:03:29

which was originally a gift by the Indo German project.

00:03:34

Is by the Germans. It was a very fantastic project,

00:03:37

but unfortunately when I went through the instruments

00:03:40

I found it lagging its lagging in sophistication

00:03:44

and I was accustomed to you know

00:03:46

I was talking to you on my way

00:03:47

I had already used an expand EPS spectrometer

00:03:50

the cube and and that what liquid and liquid helium temperatures.

00:03:54

So, I cannot I cannot accept it.

00:03:57

So, I wanted more and that was the starting

00:03:59

of the regional sophisticated instrumentation.

00:04:02

Before you chapter. Center concept

00:04:04

that you know no I. Let me come to that point.

00:04:07

That was initiated actually

00:04:09

Professor A. Ramachandran. Alright.

00:04:10

So, now, I am going to up to that point.

00:04:12

Sure sure. Then we can go on together.

00:04:14

So, I am actually from the Tamilnadu state,

00:04:17

but my father was working in a place called

00:04:20

Kottayam in Kerala and so, I shifted from

00:04:24

Tamilnadu after my school for college

00:04:27

education to a place called CMS College, Kottayam

00:04:30

that is the oldest one of the oldest

00:04:32

colleges in the country celebrated

00:04:34

its 200th year earlier this year with

00:04:38

the chief guest was the former

00:04:39

former President Pranab Mukherjee.

00:04:42

So, that institute had was starting

00:04:45

postgraduate degrees in Chemistry.

00:04:46

So, I did my Master's in CMS College, Kottayam

00:04:50

and then probably the Atomic Energy used to

00:04:52

pick up the top rankers for Bombay Atomic Energy.

00:04:56

So, I attended the interview in Trivandrum

00:04:58

they selected me as a scientist for Atomic Energy

00:05:01

went to Bombay probably Atomic Energy Commission

00:05:04

started working on isotopes and isotopic separations

00:05:08

and started using isotopes in agriculture

00:05:10

and Mõssbauer Sources and many things I did.

00:05:13

And then it was slowly turning out to be

00:05:16

there the atomic energy is not probably the place

00:05:19

for persons who want to do really

00:05:21

interesting research work, its more like conforming

00:05:24

to what atomic energy wants because there are

00:05:27

when narrow, but really important projects

00:05:30

that you have to work on,

00:05:31

but you cannot do anything you want.

00:05:33

So, I decided it was time for me to quit, there was a 3-year bond

00:05:37

so, after about two and half years

00:05:39

I started applying for scholarship to outside.

00:05:42

I got a Fellowship and Boston University

00:05:44

and went to the head of the department

00:05:47

Professor VK Iya. Sir, I have a scholarship

00:05:50

I want to go to Boston, can you give me

00:05:52

3 years long leave without pay?

00:05:55

Are you kidding? There are so many people on the

00:05:57

queue, you go to USA and I got scholarship

00:06:00

we cannot give, you wait for atleast 4 or 5 years

00:06:02

then I went to the second head Deshpande

00:06:05

he is a Maharashtrian, I told him sir I wanted leave

00:06:07

and they are not giving me. Can you suggest

00:06:09

one interesting way? You go home

00:06:12

on a leave and don't come back.

00:06:15

But what about my bond?

00:06:16

Nobody was worry about you already done 2 years

00:06:18

and 9 months. So, 3-year bond.

00:06:20

So, no problem let you go.

00:06:22

So, by then the Boston Fellowship expired.

00:06:25

They had given me 3 months and I was corresponding

00:06:28

with the Atomic Energy and by that time they said

00:06:30

no, it was more than 5 months.

00:06:32

So, I was frustrated and lo and behold another scholarship

00:06:35

offer came from UK. I had applied it through a

00:06:38

advertisement nature last page.

00:06:40

A Simmons place. Simmons.

00:06:42

So, Let's tell. Young man I have a scholarship

00:06:45

for you, you just tell me when you want to come.

00:06:48

Bolt from the blue. So, I went to England, did my Ph.D. in

00:06:51

the field which was just emerging. It's called

00:06:53

electron paramagnetic resonance and this Martin Simmons

00:06:57

the professor was one of the pioneers in the field globally.

00:07:01

So, he took me and trained me and

00:07:03

we had lovely time. I even remember that

00:07:05

I got down at the airport in London.

00:07:12

And he was waiting at the passengers arrival

00:07:15

and he asked me you are yes you must be

00:07:18

because this the only Indian coming out this flight is you.

00:07:21

So, you must be can you tell your name?

00:07:23

I said my name is Sankaran Subramanian.

00:07:26

Oh my God, that is too long. From today I

00:07:28

christen you Subbu. You will be called Subbu.

00:07:31

I said fine that really stuck even today he calls me

00:07:34

Subbu. Subbu. All the students call me Subbu.

00:07:36

So, I did my Ph.D. there, this was another

00:07:39

I can't usually people take 3 to 4 years for a Ph.D.,

00:07:43

I have finished it in 23 months my Ph.D. At the end of the Ph.D.

00:07:46

I went to the registrar, little bit of a personal story,

00:07:49

I went to the registrar told them I want to submit with thesis.

00:07:52

Young man you have done only 23 months,

00:07:55

you know the rules, minimum two and a half years before

00:07:57

you submit the thesis and then what am I supposed to do?

00:08:01

Go and wait for another 6 months.

00:08:03

So, I went to my professor he says submit the thesis

00:08:05

and go on leave. We can take the viva voce later. Go home

00:08:08

go to India and comeback. Subbu on other hand

00:08:11

at Columbia, we had their thorough grinding.

00:08:14

The first year is it only for doing.

00:08:16

Course work. Course work.

00:08:17

Only for course work and then you have to give a seminar.

00:08:20

Yes. At the end of the seminar they decide

00:08:22

whether you are going to stick on in the

00:08:24

at Columbia University or going to be thrown out.

00:08:26

If they throw out a person if they have little

00:08:29

reasonable record they give up some kind of a

00:08:31

Master’s degree and throw them out. Yes.

00:08:33

Comfortably, the rest of them are retained.

00:08:35

Yeah. So, and it takes minimum four and a half years

00:08:38

there, but there is no such only, you can do it earlier its ok.

00:08:42

In UK there are no strict coursework,

00:08:44

but you can audit all the coursework,

00:08:46

but then by the time I finished 23 months

00:08:48

I already have 10 publications in very good journals.

00:08:51

So, actually there is no justification

00:08:53

for denying me my degree.

00:08:54

So, anyway I came to India, spent a couple of months

00:08:57

went back and got my Ph.D. in in the university

00:09:00

its called University of Leicester, written as Leicester.

00:09:03

And after my Ph.D. I did one-year post with the same

00:09:06

professor and started looking for jobs in India.

00:09:11

Applied to Tata Institute for Fundamental Research,

00:09:13

they call me for an interview, took another leave,

00:09:15

came Tata Institute for Fundamental Research,

00:09:17

Professor Balu Venkataraman was a chairman was the chief of

00:09:19

spectroscopy. He also asked me.

00:09:21

He interviewed me after sometime

00:09:23

hey, are you interviewing

00:09:26

you are you are interviewing us?

00:09:27

I started asking too many questions

00:09:29

I said sir I just wanted curiosity because

00:09:31

what I will be doing I was just looking at.

00:09:34

So, he said you are sir you are taken no problem,

00:09:37

but we are going to give you only a visiting position.

00:09:39

I said sir I don't want a visiting position in India.

00:09:42

If I was an American if you give me a visiting position

00:09:44

I will accept that. Why do you give me a visiting position

00:09:46

when I am an Indian? But that is rule here,

00:09:49

you have to be a visiting man and then after

00:09:50

3 4 years we will think about it.

00:09:52

I said sorry sir, I don't want it.

00:09:54

So, I came back and there was a

00:09:57

Postdoc Fellowship waiting from Michigan State University.

00:09:59

Lo and behold I just understood later on he had just.

00:10:03

I had just left I was the same. Professor professor.

00:10:05

There was a Canadian there called Professor Max Rogers. Then I joined the Michigan State.

00:10:10

It was very productive year because he was

00:10:12

a magnanimous guy this professor.

00:10:14

So, Subbu and I somewhat you know not

00:10:17

overlapped, but of course, we followed it. He

00:10:19

Yes. followed me and I followed him

00:10:21

and similarly I followed him at IIT Madras

00:10:23

that's what the. Yes. So, I I joined the IIT Madras

00:10:25

about three months earlier than he came from IIT Kanpur.

00:10:29

So, after my Postdoc Fellowship at Michigan,

00:10:33

I went to the Embassy in Washington looking for

00:10:35

jobs in the newly emerging IITs.

00:10:37

So, there was an education secretary he said

00:10:39

Professor Ramachandran IIT Madras director

00:10:42

will be here. So, he would like to visit engineers

00:10:45

and scientist who are interested in coming back to India.

00:10:48

So, you can go and meet him.

00:10:49

So, actually I didn't have any chance to talk to him

00:10:51

because there was a lot of engineers were waiting to

00:10:53

get to India. So, I was in the back bench of that room

00:10:56

and then at the end of the thing he said anybody

00:10:58

who is interested in this new IIT Madras,

00:11:01

if you have a good recommendation from your professor

00:11:04

just contact us. So, I went back to my professor and told him

00:11:07

Sir, I want to go to my native place.

00:11:09

I am from India from South India

00:11:11

there is an institute coming.

00:11:12

So, he said ok, I will send a recommendation

00:11:14

Sent a letter. He must have written a super letter

00:11:17

recommendation letter because normally we wait

00:11:19

for 6 months nothing happens you know from India.

00:11:22

I waited for 3 months. There was a Western

00:11:24

Union Telegram signed by registrar of IIT Madras

00:11:28

Sethunathan was the registrar at that time. Yeah.

00:11:30

Appointed as assistant professor, we shall

00:11:32

provide money towards your travel to India

00:11:35

and also accommodation will be provided on campus

00:11:38

and what else you want to come back to India?

00:11:40

I jumped on it. At the time I already had

00:11:42

a position in Texas Tech. I told the professor sir I got

00:11:46

something in my own home country, I am going back.

00:11:49

He said no no go back. Similarly.

00:11:51

If you are not happy you can always come back

00:11:52

to Texas what you told me. So, I came and joined here

00:11:55

and met Ramachandran, I was just really so

00:11:59

happy that I am coming back to India number 1,

00:12:01

number 2 to an IIT which is just about

00:12:04

10 years old at the time. I joined in 1971

00:12:08

79 it started. 79, yes.

00:12:10

And. You joined in you joined in 71.

00:12:12

Yes 71 November. I have actually.

00:12:15

And he joins 72 February. I have gone to IIT Kanpur in 69 end.

00:12:19

And then of course, I left in 72 very early 72.

00:12:22

Right. So, that is because of two different reasons.

00:12:25

One is Ramachandran wanted me to have have me there.

00:12:29

So, they didn't tell me, but of course,

00:12:31

C.N.R. Rao was pushing me hey come

00:12:33

let's go to Madras you just meet the director of IIT Madras.

00:12:36

I also came and of course, there was a huge

00:12:40

set of people all from the top round like

00:12:42

Professor C. R. Kanekar from Kanekar.

00:12:45

TIFR. from TIFR and our Naidu who was in the.

00:12:50

CL. Director general of CL I mean director

00:12:53

of the same later he became the director general of CSIR

00:12:56

and so on and so forth; 9 people were interviewing me.

00:12:59

So, I was just looking at them answering all their questions,

00:13:03

I went away immediately I was called in only person

00:13:07

oh one person they had an interview and the they called me

00:13:10

he called me and said I am offering you the position

00:13:13

of professorship you want to come you must join.

00:13:17

I said you said you want me to come here

00:13:21

I C.N.R. Rao told me only to go for an interview,

00:13:24

now you are calling me to come and join.

00:13:26

Then, if you want to come me then I have to

00:13:29

have few conditions to belay I told you very bluntly,

00:13:32

I have a few conditions because I know

00:13:34

about the department here and I have to

00:13:37

survive on my own model. I am an independent person.

00:13:40

So, I should have lot of independence to work with.

00:13:42

So, I need this this this this you are giving too much of

00:13:45

list how am I going to give it, but I will give it

00:13:48

you come anyway. So. There was Ramachandran.

00:13:51

Ramachandran come anyway and within

00:13:54

2 months and they forced me to come C.N.R. Rao said

00:13:57

you go there you will prosper that's what I I still remember.

00:14:01

So, finally, I landed up here and as Subbu was

00:14:05

they already for 3 months ago even little earlier

00:14:09

Surjit Singh has join. So, when Ramachandran

00:14:11

at the time he said you are going to be in charge of

00:14:14

Special Instruments Laboratory which was given as a gift

00:14:17

by the Germans. Ok. I will take care of it.

00:14:21

I said you are going to be in charge, but

00:14:23

you need two more people because its a big place

00:14:26

and I want you to develop it as a big place bigger place.

00:14:29

So, whom do you want? I looked around and of course,

00:14:33

by that time I know most of the people here their interests,

00:14:36

there are two peoples interests were coinciding with mine

00:14:39

quantum chemistry and spectroscopy.

00:14:42

Only thing is he and I are believing in

00:14:44

magnetic resonance more ok. He is more of a

00:14:48

magnetic resonant than me, but I involved in all form

00:14:50

of spectroscopy and Professor Surjit Singh is a

00:14:53

molecular spectroscopy’s involved in you know

00:14:56

what's called optical as well as optical IR and Raman.

00:15:00

So, people thought putting together

00:15:02

its a fantastic gang to do this spectroscopic investigation.

00:15:06

So, then of course, we had a chance what to do next ok.

00:15:10

We cannot stop here and of course, by the time

00:15:14

Professor Ramachandran you know I I never

00:15:16

seen an administrator like him. You go to him with a problem

00:15:21

even before when he gives a appointment

00:15:23

he already knows what for he has come

00:15:25

what for I have got I gone to him

00:15:27

and he gives you the solution also.

00:15:29

So, within 5 within 2 to 5 minutes

00:15:32

he interviews and if the problem is taken

00:15:35

care and you come back and then one day

00:15:37

totally different you think about something developing

00:15:40

the bigger lab. And ESD has a programme like this

00:15:43

you apply for it. So, that's how I started

00:15:46

I I wrote the programme with the help of

00:15:49

these two guys programme I am creating the first

00:15:52

and premier Regional Sophisticated Instrumentation Centre.

00:15:56

A new concept in in what is called sharing the

00:16:01

the kind of equipment that we have

00:16:03

for our benefit as well as the benefit of the entire nation.

00:16:07

I nobody has ever thought about

00:16:09

a centre like this from which will serve from

00:16:13

Kanyakumari to Kashmir the whole country.

00:16:15

So, that's was that was the bet

00:16:17

and that happened in 1974

00:16:20

and Subbu will tell you how we got the first equipment.

00:16:23

Because in India creating sophisticate equipment is itself

00:16:27

is very expensive everything is imported from foreign exchange,

00:16:30

foreign exchange was a tough thing during the 70s.

00:16:32

You know we do not have the. Tough thing yeah, there was

00:16:35

Nothing you have to ask for special permit. Yes.

00:16:37

And foreign exchange was given even

00:16:39

when that such a difficult equipment is imported

00:16:42

and given to your professor, the professor will hover

00:16:45

over it and use it only for himself. He won't give it to anybody else.

00:16:48

None of is to none of the students even in the same

00:16:50

institute will have the benefit of the equipment.

00:16:53

Therefore, this possessiveness really prevented a

00:16:56

quite lot of number of people not having access

00:16:58

to this although they were there within the same premises

00:17:01

they could not get their hands onto it.

00:17:03

Plus they are not able to

00:17:04

come accross that. So, the idea of importing very expensive

00:17:07

sophisticated equipment and willing to share it

00:17:10

whoever come first come first serve

00:17:12

that concept was highly appreciated by Ramachandran.

00:17:16

The idea was from PT and myself we wrote the

00:17:18

whole idea of how we are going to do it

00:17:21

and then he he said lot we submitted the

00:17:25

project correct me if I am wrong

00:17:26

submit the project waiting for 3 months

00:17:28

about two and half months. Then suddenly

00:17:31

we got a phone call saying that there is a guy

00:17:33

called Mr. Santhanam, he was a secretary. Secretary

00:17:35

in the Railway Department. Unbelievable.

00:17:37

And he is being deputed to discuss with you

00:17:40

and Manoharan and the director about the project

00:17:43

which we are really interested.

00:17:44

So, we are very happy something is going to happen.

00:17:47

Santhanam comes research to Manoharan and

00:17:49

me and Surjit for about 15 minutes

00:17:52

I think the project is granted you will get

00:17:54

Granted all the money you want. Tell me what do you want now.

00:17:57

Now this thing. even though the listing never happened in the history of India

00:18:00

you write the project it go through projects reviewing

00:18:03

and you go on reminding for 3 months 6 months 9 months

00:18:06

and finally, something comes and you ask for 20 lakhs

00:18:09

you get 3.3 lakhs something like this, this kind of ratio.

00:18:11

See at that time. Here he says they just granted

00:18:13

its a grand idea, we love it,

00:18:15

we are especially happy because it is an IIT campus

00:18:18

where the infrastructure is fantastic

00:18:20

and we told them then even if

00:18:22

the most sophistic equipment you import

00:18:23

you will make sure an electronics person

00:18:25

is trained in the factory of that particular company.

00:18:28

So, that you will be able to do troubleshooting

00:18:30

without much delaying. So, that was the concept. What is.

00:18:33

Santhanam went back and we got the grant

00:18:35

first grant, I think about 20 or 30 lakhs

00:18:38

I don't remember. 30 lakhs 30 lakhs which.

00:18:40

micronic resonance spectrometer. No no.

00:18:42

In NMR. 30 lakhs was granted.

00:18:45

Out of which 20 lakhs which is an Irish grant.

00:18:48

Yes. Dedicated to the purchase of the first

00:18:52

NMR big NMR 100 NMR. Pulse spectrometer.

00:18:55

Pulse spectrometer the first of its kind

00:18:58

to come to an India. They didn't have in IIT Bombay

00:19:00

They didn't had it. They never had it in atomic energy, nobody.

00:19:03

but IIT Madras had it. They had a they had a big

00:19:06

some dirty equipment in IIT Kanpur its not comparable to

00:19:10

ours because ours is a pulse fourier transform. NMR instrument.

00:19:16

100 megahertz NMR the first of its kind.

00:19:19

The kind of work that I I did what I remember is

00:19:22

you have to get so much permission.

00:19:24

They have to go to Director General of Technical Development

00:19:27

and there is an office called Director General of Technical

00:19:29

there you have to go talk to the guys get the necessary.

00:19:32

Justify the import. And you know that justify the import

00:19:34

and what not and finally, prepare local preparation. Yes.

00:19:38

But I must tell you there is one important concept

00:19:40

that we have developed which was ahead of everyone (incoherent speech)

00:19:44

as he is already party pointed it out that is

00:19:47

we had two sets of technical staff.

00:19:49

The one set up technical staff is nothing

00:19:51

but an operating technical staff.

00:19:53

He knew the science behind it

00:19:55

he knew how to operate the instrument.

00:19:57

He is someone who will collaborate with

00:19:59

or otherwise he will discuss with the consumers

00:20:02

or users, including our students.

00:20:05

And then of course, there is a second set of

00:20:07

technical assistance who are electronics personnel

00:20:11

and this is something that is special.

00:20:13

The most important advantage of it

00:20:15

ours is the only centre of that kind

00:20:19

which is importing a foreign equipment,

00:20:21

but no service is expected from them.

00:20:24

We never send a annual maintenance

00:20:27

contract with any company. So it remained internal.

00:20:30

We have beautiful people we have such great people.

00:20:33

Yes. Shantanu, Devasahayam, Palani Swami and so on and so forth.

00:20:36

Yes. Some of them were trained initially at the

00:20:39

Central Electronic Centre, then it was Mr. Rakha

00:20:42

the German profession who was in charge who was in charge. Yeah yeah.

00:20:45

And he liked our style of operation. Yes.

00:20:48

He and his boss liked our style of operation

00:20:51

he said who do you want from the

00:20:53

Central Electronics and I will bring them.

00:20:55

So, I said give me about three people.

00:20:56

So, initial set up three people came.

00:20:59

Yes. And one of them is Palaniswami Palaniswami, Devasahayam and Kamala Anand.

00:21:05

Kamala Anand etcetera etcetera so. In fact, these people

00:21:07

are so, good in electronic troubleshooting then

00:21:09

we will send them to Agarwal Eye Clinic

00:21:12

to repair the de-coagulator for the cataract operation. Yeah.

00:21:16

They were sent into Sankara Nethralaya for repairing equipment

00:21:18

because they didn't have any expertise and to get

00:21:21

somebody from UK or USA they come and

00:21:23

repair is too expensive they just give a call to IIT Madras

00:21:25

we send a technician we don't charge them because

00:21:28

its a charitable institution. But you know all this is

00:21:30

stupid on our part now it should have cost

00:21:33

a lot of money by way industrial consultancy

00:21:35

and we didn't do that it was all free

00:21:37

we did the service came back

00:21:39

probably with a cup of cup of tea.

00:21:41

ICSR did not exist at that time, ,

00:21:43

later on only the Industrial Consultancy

00:21:45

Sponsor Research started that way you know.

00:21:48

And the expansion took place that's what is

00:21:50

very important the expansion took place.

00:21:53

Now, we got almost all the sophisticated equipment.

00:21:57

I am telling really sophisticated equipment

00:21:59

not available to anybody in most of the institutions

00:22:04

even Indian Institution of Science did not have

00:22:06

what we wanted. We we brought imported you see

00:22:09

what's called X-band and Q-band spectrometers.

00:22:13

Right. Spectrometers.

00:22:15

and also we have the system which can go down to

00:22:17

liquid nitrogen temperature later

00:22:18

also with the Euclidean temperatures and so on

00:22:21

and then laser on and spectrometer and then of course

00:22:24

Fourier IR you name it and and then

00:22:27

turned out one of my interest is crystallography.

00:22:29

So, we decided to go in also for crystallography. Crystallography yeah.

00:22:32

Right across our road in the Guindy Centre

00:22:35

for the for Madras University there was a

00:22:39

Crystallography Centre which was once headed by

00:22:41

Professor. G. N. Ramachandran. G N. Ramachandran.

00:22:43

So, now, they thought that we are competing with them

00:22:47

and not only that and we did much better results

00:22:50

than them in one of the conferences somebody said

00:22:53

if you want to get any crystal structure,

00:22:56

you know structure made you go to IIT Madras

00:22:59

he said no no go to IIT University of Madras

00:23:02

to that extent we have been servicing the

00:23:05

people. The service is to be extend of

00:23:07

40 to 45 percent for local people including us

00:23:10

and the remaining is for all people outside

00:23:13

and Subramanian has already mentioned it

00:23:15

that unites on first come first serve basis.

00:23:19

Yeah. Occasionally so happens.

00:23:21

Then, the mandate once we have been borrowing

00:23:23

such a lot of money from the government and even an IIT

00:23:27

and there are large number of colleges and universities

00:23:29

where there are teachers teaching subjects without

00:23:31

the knowledge behind it without any hands on experience

00:23:34

behind it especially teachers who teach post graduate

00:23:38

chemistry and physics. So, we started every summer

00:23:41

two or three summer schools. A summer school

00:23:43

on X-ray crystallography, currently there is one is running now.

00:23:46

Now, the first principle if you remember first one is on

00:23:49

quantum mechanic quantum chemistry in spectroscopy. Spectroscopy yes.

00:23:52

Its a three week intensive course. Yes.

00:23:54

Unbelievable thing. Lot of senior professors came

00:23:57

we wrote all the lecture notes and two kind of

00:24:00

bible like big books were made

00:24:02

and we gave everyone a book and

00:24:04

they are using even today some of them are using

00:24:06

for teaching the post graduate classes. Yeah. Yeah.

00:24:09

So, the summer schools on all subjects

00:24:11

take a particular subject of importance,

00:24:14

run it for three or four days for post post graduate students,

00:24:17

college teachers throughout the region

00:24:19

as well as throughout the world the country

00:24:21

people will come, give them accommodation,

00:24:23

give them travel sometimes give them food and give them Yeah, that money is provided by.

00:24:27

lectures and many people benefited from them. Right.

00:24:29

Some of them are now retiring from the

00:24:31

professorship. The DST actually provided

00:24:33

subsequent fund. Funds also.

00:24:34

For education purposes. Yes.

00:24:36

So, that also we did, not just operating

00:24:39

the instruments and of course,

00:24:41

you know we are also getting benefit.

00:24:43

So, one thing the even though we were having a

00:24:45

centre they never last sight of our own academic

00:24:48

performance. The most important thing is teaching

00:24:51

on behalf of the Chemistry Department,

00:24:53

sometimes even the physicists used to come and

00:24:55

sit in our courses like Master of Spectroscopy

00:24:58

and then of course, what happened is

00:25:00

that we designed a new courses in fact,

00:25:02

near the systematically we designed a syllabus.

00:25:08

Yeah. New courses.

00:25:09

New courses and then of course, we proceeded for that

00:25:12

in the sense and what to do?

00:25:15

Then of course, we begin the conduct on specific subjects. Yes.

00:25:19

Like you know spectroscopy. The advanced level process.

00:25:20

Advanced level. Yeah.

00:25:21

All these things. So, we were and we never lost sight of

00:25:25

none of us lost never lost sight of the

00:25:27

you know what's called teaching. Teaching.

00:25:29

And research research. Yes.

00:25:31

We were doing not only teaching, administering this place Yes.

00:25:36

and also you know what is called we are doing lot of research.

00:25:39

And we as the largest. The professors published more than about 600 papers.

00:25:42

They are together, yeah. During the tenure here.

00:25:45

Several books were written by the faculty

00:25:48

and. And several Ph.D.s were put in

00:25:50

we produced the maximum number of Ph.D.s. Yes

00:25:52

although it’s a small department, department

00:25:54

we we work for the Chemistry Department.

00:25:56

Of course, the Chemistry Department

00:25:58

was quite happy when we joined all the three of us joined,

00:26:02

then it turns out when Professor Ramachandran

00:26:05

and the director called as you three people

00:26:08

manage all the German equipment

00:26:10

the Chemistry Department starts to getting worried

00:26:12

Will we have access to this?

00:26:14

and these three guys new guys have come

00:26:16

and suddenly all the instrument has been handed over

00:26:18

to them. What happens to us

00:26:21

in the Chemistry we got all the German equipment

00:26:23

at that time Professor N.V.C. Sastry was the

00:26:25

head of the department, who is also responsible

00:26:27

for constructing the Applied Chemistry Block.

00:26:29

Block at that time yes. And he got money from

00:26:32

government, he got a lot of equipment from

00:26:34

Germany and work day and night to construct

00:26:37

their Chemistry Department and became one of the

00:26:38

top Chemistry Department in the country

00:26:40

and they were a little bit worried so,

00:26:42

they thought these three are kind of

00:26:45

first class citizens and we are

00:26:46

second class citizens these are the thing

00:26:48

what is happening? Then we told them

00:26:50

just assured these equipments are as

00:26:52

easily accessible to you as it is to outsiders

00:26:55

because definitely its more accessible to you

00:26:57

it is in the neighbour next room.

00:26:58

So, slowly and steadily that little difficulty vanished.

00:27:02

And also we gave some what's called a

00:27:06

separate urgent appointments for some other faculty

00:27:09

like Professor V. Viswanathan. Yes.

00:27:11

And then we even bought a special equipment like

00:27:14

fluorescence spectrometer for to satisfy another

00:27:16

faculty member by name Ramakrishnan. Yes.

00:27:18

Whatever possible help they could give to the department. See we could help them

00:27:21

Yeah. In addition to helping ourselves.

00:27:23

Yeah So, we did that.

00:27:24

So, that was now they realized ok

00:27:26

we are we are here only to help them

00:27:29

rather than you know its a take away that prestige

00:27:31

to us the its went on very well. So,

00:27:33

that way it was going on well and by and large

00:27:36

it was working well until we retired.

00:27:40

So Surjit Singh passed away and Manoharan became

00:27:43

Vice Chancellor of Madras University. that's in the

00:27:45

but even before that there are many things to say

00:27:47

for example, Then I took a voluntary retirement after 28 years,

00:27:51

I took a voluntary retirement to go to United States

00:27:53

to work on imaging of cancer tissues

00:27:56

and so, the institute had some not really

00:28:00

correct policy by way in my way of appointing

00:28:03

temporary heads of department for this centre.

00:28:05

So, for 2 years it will be a mechanical engineer

00:28:08

there won't be any. Subbu before there is many more

00:28:10

things that we have to say about RSIC itself.

00:28:14

RSIC was functioning very well without any problem

00:28:17

not only that we are responsible for the opening

00:28:20

of the RSIC in four other places. Yes.

00:28:23

Bombay, Shillong I have personally went to Shillong

00:28:26

and told them how to do that. Lucknow.

00:28:28

And they come they used to come Lucknow and

00:28:30

also Chandigarh. This, but nobody could beat us

00:28:35

Yes. with respect to performance they even the DST used

00:28:38

to say everything is happening here

00:28:39

you are only advising them what can we do

00:28:42

how to make it better, but of course,

00:28:44

I did told them that we would do that,

00:28:46

but within the institute immediately

00:28:49

there was a realization of course,

00:28:51

Ramachandran went away

00:28:52

Professor Pandalai took over for some time

00:28:54

and then Professor Narayan put then afterwards

00:28:56

Professor Indiresan came in. Yes.

00:28:58

As the director there was a new activity

00:29:01

when Indiresan came in I think that's

00:29:03

that's your time ok, there was a new kind of an act.

00:29:06

Indiresan realize there are a few guys in this place

00:29:09

you know who can do things.

00:29:11

So, I went to him first I asked him

00:29:13

I want a new building for myself.

00:29:16

He said you want a new building for yourself

00:29:18

yes because I have so many equipment

00:29:20

that are lying down here there etc.

00:29:23

its all scattered I want to come to my own place.

00:29:25

So, he said ok, here you are given the money

00:29:28

go build it. So, first two floors came up.

00:29:31

Behind CLT. And the behind CLT that's what the

00:29:35

Regional Sophisticate Instrumentation sign was there

00:29:38

until some time back, then you know

00:29:40

what happened they also found out

00:29:42

that we have good administrators we can get

00:29:44

along with people and so on and so forth.

00:29:46

So, one day he asked me,

00:29:48

why don't you become a warden?

00:29:50

That's not my territory I told him.

00:29:53

No no I am going to subqueue for

00:29:54

something else ok, you are going to be the

00:29:57

chief warden no no that's also I don't want

00:29:59

no I said. You are going to do this Common.

00:30:02

because there is a lot of problem in that

00:30:05

in that place. Wardens, hostel warden.

00:30:06

Hostel sector there was a big problem

00:30:08

between the workers and students.

00:30:11

So, first he wanted me to meet the student committee.

00:30:16

I went there I was actually perplexed to see

00:30:19

100 people sitting down there like in a Senate hall.

00:30:23

We have a lesser Senate members

00:30:25

than they have in that committee.

00:30:27

I said how do you manage with this committee.

00:30:29

We cannot, I want this be reduced to 13 or 14.

00:30:33

Even it is the student were how can you do that?

00:30:36

I will do it if you do that I will continue to

00:30:40

work for you otherwise I am just going away

00:30:42

I have my beautiful place to do research and

00:30:45

teaching I will do it then they thought ok then of course,

00:30:48

they gave me the permission and cut down that committee,

00:30:51

committee number and we acted upon it

00:30:53

the hostels should became better and of course,

00:30:56

the relationship was established then he

00:30:58

post me dean of students for a couple of years

00:31:02

and that was my I mean what I call as a most

00:31:06

stressful time. These took my friends

00:31:09

they went out of the country sabbatical.

00:31:11

Right at the same time. Yes.

00:31:14

And I must here alone manning the

00:31:16

manning the RSIC as well as the dean of

00:31:19

students position. It was a tough time,

00:31:22

but we had also the most interesting thing

00:31:25

was what was called open house concept.

00:31:27

Professor Indiresan said why don't you have

00:31:29

open house for every. Everybody

00:31:31

knows about IIT, they don't know what is inside.

00:31:34

So, you should bring them in.

00:31:35

That is still happening now, everyday. I did that for the first time,

00:31:38

first open house was done by me.

00:31:41

And then when they were; why I am saying is

00:31:43

finally, when they went through the gate

00:31:45

went through the RSIC, they were amazed wow, from that

00:31:49

you know you have seen on those books that is the sketchbook

00:31:52

is that the everybody has written they don't understand

00:31:55

a big big equipment. So, expensive

00:31:58

and people are operating with these.

00:32:00

So, this is a this this this this one aspect of it

00:32:03

that should not be forgotten that man,

00:32:06

but there is one thing I must say about the

00:32:08

character of the faculty of IIT Madras.

00:32:12

I am a junior faculty compared to most of the

00:32:14

senior professors here, but still

00:32:17

when I told them the open house is going to be

00:32:19

conducted with my chairmanship

00:32:22

all of them came. People like very senior

00:32:25

people like you know Varghese and

00:32:28

Professor E.G. Ramachandran they came

00:32:30

gave advice and then of course, they listened to my

00:32:33

way of conducting things etc. they

00:32:35

it was a great success. Of course, cooperation

00:32:37

among the faculty it is extremely. Faculties unbelievable.

00:32:39

Incredible good, yeah. That time I found out why IITs are like this,

00:32:44

this is because when time demands

00:32:47

when occasion demands they will always come together.

00:32:49

We put a really unified face effort

00:32:52

inside that they will little little little difficulties and

00:32:55

differences, but it does not show on then.

00:32:57

And similarly for example, we conducted for example,

00:33:00

myself or Subramanian will conduct several conferences,

00:33:03

international conferences in here

00:33:06

we brought some other stalwarts from various subjects

00:33:09

you know people came from Russia like Bersuker.

00:33:13

Yes. Liechtenstein.

00:33:14

Yes. And then from the U.S. I have Solomon

00:33:17

and many other people and similarly he brought some people around.

00:33:20

Klaus Mobius, Klaus Mobius. Klaus Mobius from Berlin.

00:33:23

He brought. So, like this. And

00:33:24

He used to bring a large number of. John Bilbrough from.

00:33:26

John Bilbrough from John. Quit a number of top people

00:33:29

I says in this field.

00:33:30

They were very happy to come to the campus and

00:33:33

they enjoyed the campus of course,

00:33:34

they did enjoy the RSIC, but they

00:33:36

looked at the deers and the monkeys and and the campus

00:33:39

they were very happy to be in the camp

00:33:42

I think two or three Germans came here and stayed for a month.

00:33:44

Yeah. Gave a series of lectures.

00:33:46

Of course, we have put them in you know overnight trains to Kerala

00:33:49

and other places for sightseeing and all that.

00:33:51

It was it was nice and then let us talk about the

00:33:55

department and also. Ok.

00:33:57

Talk about extracurricular activities. Ok.

00:33:59

and things like that. Ok.

00:34:00

Extra academic activities. Regarding the RSIC,

00:34:02

though RSIC is a separate centre

00:34:05

both budgetary as well as the management

00:34:07

operation wise. We were also effectively involved

00:34:11

with the department effectively involved with the department.

00:34:13

In fact, Professor Sastry before he left

00:34:15

initially he fought with me because I wanted independence

00:34:19

he didn't like it, but later he found out

00:34:21

that I can support him.

00:34:23

So, he said you are in charge of seminars

00:34:26

you are in charge of that you are in charge.

00:34:28

So, he additionally loaded us

00:34:30

similarly for example, Subramaniam was asked to

00:34:32

do certain jobs etc.

00:34:33

whatever is given build in it. So,

00:34:36

the three of us that's why they call us

00:34:38

you know three musketeers

00:34:40

and I would like to tell you in the in terms of recognitions

00:34:44

three Indiresan was Indiresan was very close to us

00:34:47

the the all the three of us. Yeah.

00:34:48

And he also made me sports advisor

00:34:52

because we are not being building the inter IIT

00:34:54

continuously for 6 or 7 years

00:34:57

then by luck when I took over a sports advisor

00:35:00

it was at that time IIT Bombay

00:35:04

and we came with the trophy

00:35:05

came back and Indiresan was very happy

00:35:08

a big party was thrown in Indiresan’s

00:35:11

director's house's lawn, it was fabulous.

00:35:14

And also Indiresan for the first time. And Indiresan always he is very very close to students

00:35:18

students very reacting yeah.

00:35:20

For the first time in my capacity as the dean of students

00:35:23

he told me in fact, I can't say its mine,

00:35:26

he told me, Manoharan how about

00:35:29

calling teacher evaluation. I told him I have no problem,

00:35:34

but there may be some people who may find it a

00:35:36

problem, what do I do?

00:35:37

Then he said you start it.

00:35:39

So, I started as a dean of students that's my work.

00:35:43

Its its actually partly it should be

00:35:45

due to the dean of academics. Yes, dean of academics of course.

00:35:48

But but he said ok you do this work.

00:35:50

So, I took it over genuinely

00:35:52

and then consulted some other things like in

00:35:54

the United States how they do it

00:35:56

and then I prepared a questionnaire

00:35:58

I I questionnaire. Students will answer.

00:36:00

For the students also students were given a chance to

00:36:02

you know chance to address this institute. Evaluate.

00:36:06

They were very good. Unfortunately, I caught

00:36:08

the wrath of some of the faculty.

00:36:11

So, he wants boosting himself.

00:36:12

So, he wants to create this and all his questions are

00:36:15

designed that way, no if you want to give more questions

00:36:18

I am ready to include. But, I included and of course,

00:36:22

the best teachers were selected on the basis of

00:36:25

the input from the students and of course,

00:36:28

the best input came from the first year B.Tech. students. Yes.

00:36:32

And M.Sc. student first year,

00:36:34

but that was continued and so.

00:36:37

I I have been attending the prize

00:36:40

ceremony for first in the last two years

00:36:42

I have been attending here, they are giving 10,000 rupees

00:36:45

or 20,000 rupees. I was best teacher three times

00:36:48

they gave you a slip of paper.

00:36:50

But he might as what he said

00:36:52

the first two years. Computer output came,

00:36:55

you got the top rank in best teaching, congratulations Indiresan.

00:36:59

But in my case its of course I wanted this director you know

00:37:02

if you want call back the old best teachers and

00:37:04

give them some special price. I said no So, again, if you look at it

00:37:07

not only the open house, but also this

00:37:10

they teach that teacher evaluations.

00:37:12

First he initially opposed, but then everybody found out

00:37:15

there must be something to in this because

00:37:18

we get a kind of a ragging etc.

00:37:20

So, then you will be finally, within about 2 years

00:37:24

or 100 percent of the faculty fell in line to

00:37:27

Yeah yeah self-evaluations only for our own good.

00:37:29

So, that we can improve.

00:37:31

Because its not only self-evaluation its course evaluation also

00:37:34

they can also give Another thing I love in this institute

00:37:37

is teaching first B.Tech students.

00:37:40

Because they are creme de la creme

00:37:41

From all India basis you have really the top creme coming

00:37:45

to IIT Madras. So, to teach them is not only a pleasures

00:37:48

its a challenge they will ask you more difficult questions

00:37:51

and they are very attentive and I remember

00:37:54

I was teaching first year engineering

00:37:56

chemistry, quantum chemistry, molecular structure

00:37:59

things like that people get interested.

00:38:01

They will come one or two of them will

00:38:03

come and sit by M.Sc. classes

00:38:04

to see what I am teaching then come with a

00:38:06

night because I am one of those workaholics

00:38:09

during my first 10-20 years, so they will go home for a cup of

00:38:13

coffee at 5 o'clock. 8 o'clock I have my dinner,

00:38:16

8:30 I am back in RSIC and

00:38:19

all my research scholars will have to come

00:38:21

because the professor is here. So, we might also work.

00:38:23

Thats it. So, students are working

00:38:24

up to 12 o’clock in the night 1 o’clock RSIC

00:38:27

will always be lit up in the night.

00:38:28

RSIC will be always lit. Always lit up with the his student.

00:38:31

The director comes and say. My students Surjit's students

00:38:33

20 of them at all times working late at night.

00:38:36

With they. They also sometimes daytime you will not see them,

00:38:39

but 7 o'clock 8 o'clock after the dinner

00:38:41

they all be there discussing among themselves

00:38:43

doing some book club you know take a new book

00:38:46

and then start reading each other so, like that.

00:38:49

So, the B.Tech. students especially I love

00:38:51

them because they will come to my room in the night,

00:38:53

with the new question sir they say you are

00:38:56

doing MRA magnetic resonance tell us all about it.

00:38:58

Hey its not your syllabus no no I want to know about it

00:39:00

some two other students will come then I will go

00:39:02

to the black board explaining things to them

00:39:04

that way a bunch of undergraduate students

00:39:07

became very close to me. They were the people said sir

00:39:10

can you conduct a quiz programme for us

00:39:12

on the next morning. I said sure I can do that.

00:39:14

Let me see. So, two or three students

00:39:17

who are extremely quiz nuts will keep

00:39:20

all sorts of bizarre facts. They will keep

00:39:22

also they will go to various quiz programmes in various

00:39:25

festivals and then keep track of the questions

00:39:28

they got and then they have created some booklets of

00:39:30

quizzes and all that. I said these things are work

00:39:33

which is I will do it myself. I have an Encyclopedia Britannica

00:39:36

at home. When there is nothing else do I go through a

00:39:38

think really some curious bizarre out of this fact.

00:39:44

So, at the question when it is put everybody will

00:39:46

struggle hard to answer that kind of a thing.

00:39:48

So, I started doing it the first one was

00:39:50

done in 1972 January,

00:39:52

after one year after joining here

00:39:54

we started it in CLT, I also had

00:39:57

some music question some movie questions

00:39:59

even had a players from

00:40:01

Madras Players come at act a play in the

00:40:03

stage and ask question some that.

00:40:05

I did that. CLT can get only 300 people inside

00:40:09

if you pack them. All the 1000 people wanted to

00:40:12

go inside CLT they broke the door and really

00:40:14

damaged the CLT. So, that year the quiz programme

00:40:18

was good, but lot of damage to the CLT.

00:40:21

So, director said take it away, don't do it anymore in

00:40:25

CLT. And then the Television Lab said we will provide you big

00:40:29

monitors 12 of them or 6 of them

00:40:32

around the OAT so, we can ask questions on

00:40:35

videos and use the stage and then we will project

00:40:37

everything onto the big screen and have quiz

00:40:40

programme. Next year the quiz programme was attended by

00:40:43

3000 people all the city students were there

00:40:45

then I also started making it longer starting at 7

00:40:48

go to 11. Next year started 7 went up to 12,

00:40:52

by the time we reach the sixth year, it was something like

00:40:55

midnight of around to 1:30 it will go,

00:40:57

lot of interesting questions, who will be sitting in the first row?

00:41:01

Indiresan during his time, Natarajan during his time

00:41:04

all then even Narayana Murthy will be sitting in the front

00:41:07

row asking those many of them will answer

00:41:09

the questions which is not answered by the students

00:41:11

ultimately and so, we had all the directors

00:41:13

very much interested in the quiz programme and

00:41:16

it was fun, it was lot of fun during those days.

00:41:18

And there is. I I enjoyed doing that up to about

00:41:20

1979 or 1989. Even during your period

00:41:24

quiz and then they wanted to bring Siddhartha Roy

00:41:29

from Calcutta to do a quiz programme. They want to

00:41:31

bring it even more. So, Siddhartha Roy said

00:41:34

yeah I can come and do it, but I need first class

00:41:38

airfare from Calcutta to Madras for me and my wife

00:41:41

and stay in five-star hotel and now they look at the

00:41:45

calculations, it was too expensive.

00:41:48

I think they actually next time.

00:41:49

And then came to me I said sorry

00:41:52

you guys went to Siddhartha and get Siddhartha

00:41:54

you know I have done for 18 years

00:41:56

I would have became stay also, get a new face

00:41:58

and it will be good for you. Yeah.

00:42:00

So, they started managing themselves afterwards

00:42:02

yeah and then, it went on very well. Natarajan was

00:42:04

a quizmaster. Professor N.V.C. Swamy was a

00:42:07

quiz master before me. Then because

00:42:09

quiz is always an interesting subject for everybody

00:42:11

because its science, general knowledge

00:42:14

everything comes into it. So,

00:42:16

There is a. and even the quiz programme for the Best Teacher Award

00:42:19

at the end of the award I will have a 12 question quiz

00:42:21

last year and year before last.

00:42:24

But in the in the most important thing

00:42:27

at this point is to say, how others

00:42:31

decide about our our only excellence.

00:42:34

Other from outside. Yeah.

00:42:36

We should well prepared. That's a very important point that's a very

00:42:38

important point because of the faculty

00:42:40

we are doing though we are doing teaching

00:42:43

and we are doing research how much of us

00:42:45

are being recognised outside?

00:42:47

It can easily see by means of two or three

00:42:50

facts; one is of course Fellowship.

00:42:51

I am the first fellowship of the Indian Academy

00:42:54

of Sciences and then I am the first FNA

00:42:57

to become become the fellow of the National

00:43:00

Indian National Science Academy followed by

00:43:02

my two friends who also got the FNA as

00:43:06

well as FASC as well as FNA.

00:43:08

This is the only section of you know

00:43:11

what is called of an institute where everybody

00:43:14

is a fellow of the academy. So, what happens?

00:43:17

There is something in this group.

00:43:19

So, we are academically strong not only

00:43:21

teaching in administration, but also in

00:43:25

what is called knowledge creation.

00:43:27

It is true that we have not created anything

00:43:30

like for consultancy which I did very late

00:43:33

even after retirement I did some consultancy work.

00:43:36

On this process I just Our research and equipmentation was so sophisticated

00:43:41

that none of the industry did not really find something which is

00:43:45

immediately useful for them. They used to come to us.

00:43:47

So, they they have become that's one thing.

00:43:50

Secondly, large number of foreign visitors came here

00:43:53

some of us some of the people are mentioned here,

00:43:57

but at a certain cases for example,

00:44:00

getting certain professors from U.S.A., USSR

00:44:03

was very difficult, but we got them.

00:44:06

Liechtenstein is a good example of how he. Yeah Liechtenstein, Bershov. Bershov.

00:44:09

Bershov. Yeah. Bersuker. Bersuker came. They all came.

00:44:12

These are really stalwarts in their field

00:44:14

and sometimes its very difficult to get visa for them

00:44:16

from the India Embassy in Russia,

00:44:18

then we write letters get letters written by DST

00:44:21

from the Government of India and all that and

00:44:23

get the visa. It was nice its got of difficult days See.

00:44:27

then travel was not very easy especially

00:44:29

from Russia to India and China to India and all that yeah.

00:44:32

Also our recognition also goes beyond the border of

00:44:35

the country. For example,

00:44:37

we have been visiting professor for example,

00:44:40

I have been a I have been a visiting professor to

00:44:43

Netherlands University for one and a half years

00:44:47

and similarly I been to Australia. Right.

00:44:49

And then of course, the National Institutes

00:44:51

that has become my main stay for a long time,

00:44:53

but he went there permanently after. Yeah I went

00:44:56

I went for a sabbatical one year

00:45:00

which is one institute in the world which is

00:45:02

takes care of finding drugs and cure for

00:45:05

all parts of the various diseases. There is a

00:45:09

National Heart and Lung Institute, National Cancer Institute,

00:45:13

National Institute for Arthritis, National Institute for Digestive Diseases

00:45:16

like that 36 institutions are in one campus

00:45:20

very close to Washington DC.

00:45:22

In these institutions now at the moment last

00:45:24

year there are seven noble laureates on duty

00:45:27

within one campus and the quality of work they do is

00:45:30

just simply impeccable because the facilities

00:45:32

and the money that is provided by the U.S. Government

00:45:35

is just enormous. You ask for something you get it

00:45:37

you don't have to write a project and complete,

00:45:39

you have very important thing working on it

00:45:41

you get the money allocated right away without sweating.

00:45:44

So, I had gone in 1994 for

00:45:48

a sabbatical from here, then I told them

00:45:50

that you know this MRI people are doing is for

00:45:52

diagnostic radiology looking inside the heart

00:45:55

and things like that. We can also use the electron

00:45:57

to do an imaging, but then it is

00:45:59

very difficult to capture electron together

00:46:01

very fast dynamics relaxation times of

00:46:03

microseconds nanosecond.

00:46:05

So, we have to develop very good expertise

00:46:07

in equipmentation before we can capture

00:46:10

electron image in the body and we also need

00:46:12

injectable free radicals inside the body

00:46:16

and while we were discussing that a company in

00:46:19

Sweden came up with a nontoxic free radical

00:46:22

which can be injected into animals and still

00:46:24

we can see the flow of it in the blood vessels and tissue

00:46:27

with that collaboration with them

00:46:30

I started working on an animal model equipment

00:46:32

and for the electronic spot a bit lo and behold

00:46:35

who helps me one of the engineers from RSIC.

00:46:37

Yeah, I know he has the best engineer. I know that I got the best

00:46:40

engineer even better than anybody I can

00:46:42

grab in the United States. So, I called him

00:46:45

take a sabbatical come here and the work with me.

00:46:48

So, he came. we developed a prototype equipment

00:46:51

for imaging free electrons in animal bodies.

00:46:54

The beauty of it is free electrons give image contrast

00:46:57

dependent upon oxygen concentration in the body.

00:47:00

So, you can map out indirectly quantitatively oxygen.

00:47:03

This very important for cancer cure, radiation cancer cure

00:47:09

drug users and various what you call

00:47:15

chemotherapeutic agents all work in presence of

00:47:17

oxygen don't work when there is no oxygen hypoxic zones

00:47:20

are not very resistant to radiations.

00:47:23

So, people wanted to look at quantitatively

00:47:25

the oxygen in cancers they had no way.

00:47:29

And this became such an important because

00:47:31

I know about 12 patents on oxygen imaging

00:47:33

working with; I just went on a sabbatical in 94

00:47:37

proved that it is possible do imaging of tissue and came back

00:47:40

came back in 94. 95 onwards

00:47:43

every other week late night at 1 o’clock,

00:47:45

it will be only the evening there,

00:47:47

there will be a call from the Director of NAIC

00:47:49

Director of the Cancer Institute saying that

00:47:51

when are you coming back for longer time.

00:47:53

I see you know I have lot of students to finish

00:47:55

you know give me another year.

00:47:57

Then every three months there will be a call

00:47:59

saying that we want you to enlarge that

00:48:01

particular machine so, that it can finally, become

00:48:04

directly useful for humans.

00:48:06

So, finally, the pressure was so much

00:48:08

I went and Natarajan, R. Natarajan saying

00:48:10

sir I will take a voluntary retirement.

00:48:12

Why do you want to go?

00:48:14

I said sorry sir health thing because I am

00:48:16

doing work here spectroscopy

00:48:18

I am very happy with my work,

00:48:19

but if something relates to human health

00:48:22

and curing human health I think it will be more

00:48:24

humane to do that job. So, let me go

00:48:27

he said ok. So, I called them

00:48:29

ok after I finish all my students next year I will come,

00:48:32

they processed for me and for my wife and children

00:48:35

green card and the embassy from

00:48:38

Germany circle calls me

00:48:39

sir your visa's are ready, when are you picking it up,

00:48:42

this is fantastic kind of you know inviting you

00:48:45

on a platter. So, I went to embassy picked up the

00:48:48

visa and then said goodbye to IIT Madras,

00:48:52

there was a meeting at CLT of course, RSIC

00:48:54

people was so, attached to me

00:48:57

they for for the two or three weeks before I left

00:49:00

nobody was happy. This guy is going to go away

00:49:02

what are we going to do and things like that.

00:49:04

Unlike him I I basically retired from here,

00:49:08

but even before the retirement

00:49:10

we have been I have been also associate

00:49:12

I have been associated with the also the National Institute,

00:49:15

but that's not in. 18.

00:49:16

In the main campus, but in the 18 campus mainly to Yeah.

00:49:19

haemoglobin and without me

00:49:21

the boss cannot work. Yes.

00:49:24

You know always wants me to come there Yeah.

00:49:26

to solve that problems etc. I used to

00:49:28

we accomplished a very very interesting papers in journals of

00:49:32

high impact factor like the journal. Yeah.

00:49:34

And Chemical Society at least four of them

00:49:36

and then of course, Journal of Molecular Physics and so on

00:49:38

and so forth. So, its only publications etc.

00:49:42

Knowledge creation that's it. They are not applied,

00:49:45

its true its not applied.

00:49:47

However he said he with. But the most most important thing

00:49:49

interesting thing is having been an IIT

00:49:51

IIT campus that was really. That is that is

00:49:54

That really makes us different from the rest of the world.

00:49:57

You are an IITian whether you are professor or the student

00:50:00

its something unique. Yeah.

00:50:01

So, we also wanted to contribute to the

00:50:04

society and social things inside here. So,

00:50:07

I was a warden and many times the hostel employees

00:50:10

will come to me saying that, sir I got temporary job

00:50:13

and I will go and what I don't know what I am going to do,

00:50:16

its after 6 months my job is over, it cannot be returned

00:50:18

like that several people. So, I went and talked to

00:50:22

the then director was R. Natarajan at that time. Sir,

00:50:25

some of these people work for temporarily for 16 years,

00:50:28

temporarily for 12 years and that's not fair.

00:50:31

We have to kind of make them regular.

00:50:33

Where is the money for it?

00:50:34

You know when they become permanent

00:50:35

we have to give the medical facility,

00:50:36

we have to give the pension, we have to give this,

00:50:38

there is no money in the kitty

00:50:39

I said sir there are 1000 people including class 3 class 4 employers

00:50:43

in the institute were temporary. They are so called NMR or something.

00:50:46

Actually frankly speaking things were even worse.

00:50:49

Yeah. In 1984 or 85 when you were when he joined this institute,

00:50:55

at that time and that's only the the trouble started

00:50:58

between the students and and the workers. Yes.

00:51:01

So, the workers have to be I formalised their first first one.

00:51:06

I formally made them workers and there is a small document

00:51:09

which we wrote its a kind of a document they can use. Yeah, I remember

00:51:12

yeah. Formally

00:51:13

that that only with that thing most of them are become permanent

00:51:16

and part of the some of them will get the

00:51:18

children admitted into Vana Vani School. Yes.

00:51:20

Earlier it was not possible.

00:51:22

So, all those facilities were given

00:51:24

and the salaries were salary there was a salary

00:51:27

what is it called pay. Scale.

00:51:29

Pay scale was given that was the first time.

00:51:32

So, they still remember whenever I go.

00:51:34

I am the first one to do that and it so happened

00:51:36

the second also he has to do that

00:51:39

its on the people. Came to me and then we.

00:51:41

From the RSIC. We found out that the

00:51:43

you know we have a division Yeah.

00:51:45

None of them have a permanent job

00:51:47

we are all coming working, they don't even

00:51:49

many of them don't have birth certificate.

00:51:51

You call them you do what is your age?

00:51:53

What is it? I don't know sir.

00:51:54

I don't know my date of birth. That was the big problem.

00:51:56

So, Shanmugam the Former Registrar of IIT.

00:52:00

Myself, Professor Narayanan of Applied Mechanics Department,

00:52:03

S. Narayanan and one other person I remember

00:52:06

we all sat and told Natarajan, sir

00:52:09

let us take a few of them and give them some permanency

00:52:11

otherwise you know they are really going crazy,

00:52:13

they don't know what to do after the job terminates.

00:52:16

Many of them have their children’s studying here

00:52:18

they house in Velachery they have

00:52:21

they are not eligible for any quarters inside

00:52:23

because they are temporary employees and all that.

00:52:25

So, Natarajan ultimately ok, is this job which

00:52:28

you are not going to be happy to do. Its .

00:52:30

Sir we will sit every Saturday from morning 8 to evening 4,

00:52:34

in the Administration Building and take groups of

00:52:36

24-30 everyday interview them, see whether they are

00:52:39

qualified enough and they are doing the job enough

00:52:41

and we ascertain we had actually the Medical

00:52:45

Officer Ganeshan to come look at the teeth

00:52:48

to estimate their age. Like people do in a

00:52:52

market of cows and bulls. When you buy bulls

00:52:56

they open the mouth look at the teeth

00:52:58

and say this is likely to be 12 year old or 13 year old.

00:53:01

So, Ganeshan looked at the mouth of all the maalis and.

00:53:03

class 3 and class 4. No, but these there is a method of doing that.

00:53:06

And they estimated the age approximately

00:53:08

because we had write something in the appointment

00:53:10

this day date of birth rough date of birth

00:53:12

almost most of them were born on 1-1 something

00:53:15

they have faster and then we regularize the

00:53:18

overnight their salaries got tripled

00:53:21

because they were getting a very very puny job

00:53:23

always borrowing borrowing most of the time from me

00:53:26

if I am the warden and it will never come back. So.

00:53:29

Anyway some of us. they did that and then

00:53:31

Natarajan was happy, registrar was happy

00:53:33

that we had done it. Later on the audit highly objected it.

00:53:37

How come you suddenly make an expenditure

00:53:39

so much all of a sudden and you you have to

00:53:42

be censured by the audit and things like

00:53:43

that they started really making trouble

00:53:45

for Natarajan. Natarajan called me he said

00:53:48

they are censuring me, I am censuring you.

00:53:50

Why did you do this in a big scale as a

00:53:53

once we are interviewing we have to treat it

00:53:55

equally for everybody. So, it turned out

00:53:56

that we have to regularize 300 people.

00:53:59

Finally, it went through and everything was done

00:54:01

no problem there. So, after that when I

00:54:04

after I went away to U.S.A. in 98

00:54:06

after the voluntary retirement whenever I enter

00:54:09

because during that regularization on 20 security

00:54:11

people also were regularized.

00:54:14

So, when I go there invariably a couple of

00:54:15

guys will be standing in the gate, 'salaam'

00:54:17

Sir because of you we were still here

00:54:21

like that they will say.

00:54:22

So, I had I had enjoyed helping people

00:54:26

inside the campus. The campus is

00:54:28

as good as we keep the rest of the people happy.

00:54:30

So, that you know security people should be happy

00:54:32

class 3 class 4 people should be happy.

00:54:34

So, my partly trying to help them made me feel good.

00:54:39

Yeah, but at the same time you know there is a

00:54:42

there is always a process you know we are

00:54:44

still continuing to be associated with the department.

00:54:47

For example, take me. I I retired basically in 1995.

00:54:52

But then of course, I continued because I have

00:54:54

a Department of Science and Technology

00:54:56

Ramanna Fellowship was there

00:54:58

and subsequently in the INSA Senior Scientists and so on

00:55:01

and so forth, but in between in between these two

00:55:05

things I became a Vice Chancellor for the University of Madras,

00:55:08

that is mainly because for

00:55:11

what is it called credentials that are established

00:55:13

with IIT Madras. There is no doubt about it

00:55:15

because one of the so called member of that

00:55:18

search committee said nobody but him

00:55:21

shall adopt the position of the things

00:55:23

and he will make it make the university again become

00:55:26

similar to what it was under the headship of A.L. Mudaliar.

00:55:30

But of course, I did my best to completely modernize

00:55:33

the system introducing new academic systems

00:55:36

making new administrative setups and so on

00:55:39

and so forth, but some of them could not like it

00:55:42

and for political reasons I left

00:55:43

but doesn't matter I don't regret it.

00:55:45

I came back to the institute and of course,

00:55:48

Natarajan was there. Natarajan immediately said

00:55:50

he made me the first institute professor for some time.

00:55:54

So, I became a emeritus in emeritus professor here.

00:55:58

And subsequently of course, I have been having

00:56:01

different other positions. Now, I have a distinguished

00:56:04

fellowship which was given by the IIT Madras.

00:56:07

So, the action using which I was able to bring some

00:56:11

research funds and continue to do the research

00:56:14

and I must tell you both of us and including Surjit Singh,

00:56:17

we obtained a large number of individual research

00:56:20

grants in addition to what we get for the what we get.

00:56:23

So, most of the students worked in RSIC were supported

00:56:26

by us. Were supported by us.

00:56:27

We didn't Basically.

00:56:28

get any money from the institute. There was always project

00:56:30

and funding for the project association. Some of them

00:56:32

spend more time than they should, but then of course. Right.

00:56:35

We have to go to their support.

00:56:37

So, basic support we were always

00:56:39

taking good care of our students,

00:56:41

that's one thing. There was only one laboratory

00:56:44

in the entire I would say very honestly

00:56:46

I say that work for a minimum of

00:56:49

18 hours per day. Yes.

00:56:51

To 24 hours because our students are also

00:56:53

having the same habit of working late

00:56:56

probably coming late we nobody questions.

00:56:59

That because the campus was just nearby

00:57:01

we were living inside the campus

00:57:03

and Madras city is not a great place to go out to.

00:57:06

So, go home and then go back to the campus

00:57:09

and nothing like that it was good.

00:57:10

Another thing that you gave me as a

00:57:13

thing is what is your look on the campus

00:57:16

then and now. The campus in 1971

00:57:19

when I entered was lush

00:57:21

green it was November, it just rained and

00:57:24

all these sprouting of the trees had happened

00:57:26

lush green lots of monkeys

00:57:28

so, many monkeys that even they will come inside

00:57:30

our home and open the refrigerator and pick up. Yeah

00:57:33

that's why we began to get a key to the refrigerators. Yes.

00:57:38

So, monkeys, deers, the blackbucks.

00:57:43

My I had a big. And sometimes

00:57:45

I was in wardens squads number 8 for 3 years

00:57:47

the first 3 years. I think an anecdote comes

00:57:50

I tell you this. I was given a telegram

00:57:54

by the Western Union saying that

00:57:55

you are selected as an assistant professor

00:57:57

you can join with the next 6 months,

00:57:59

we will provide you with some assistance

00:58:01

with respect to travel and campus accommodation

00:58:04

will be provided. So, I come here

00:58:06

give my certificate to A. Subramanian who was

00:58:09

assistant registrar in that administration building.

00:58:12

He noted everything. Ok. Very good.

00:58:14

It turns out that his grandfather

00:58:15

and my grandfather are from the same place

00:58:17

I think the world is very small I told him

00:58:20

and I said I have joined and I said for courtesy

00:58:22

I will go and see the director and registrar and go to

00:58:25

Chemistry Department. So, I went and saw the director

00:58:27

he was there as usual with his jacket and suit and tie always.

00:58:31

Always always Ramachandran is always.

00:58:33

So, you are Subramanian yeah, I remember.

00:58:35

Yes yes very good I glad you come back

00:58:37

as everything ok. Sir only one thing in the Telegram

00:58:40

you said, I will get campus accommodation.

00:58:42

So, what should I do? No problem go and see the

00:58:45

Estate and Work Department

00:58:47

tell them that you have been promised an accommodation

00:58:50

by the director show your letter to them

00:58:52

they will make arrangements I am sure

00:58:54

you will get an accommodation very soon.

00:58:56

So, I said thank you very much sir and then

00:58:58

went and saw the registrar. Registrar had this

00:59:00

vibhuti here shaking his hands.

00:59:03

Sethunathan. So, oh, you are the new guy

00:59:06

who came from U.S.A. Yeah, I am the new guy who came from U.S.A.

00:59:09

So, what can I do for you?

00:59:12

Sir, this is the telegram, this is the letter,

00:59:14

they said they will give me a accommodation

00:59:16

you know how many people are without accommodation

00:59:18

in the campus? Sir I don't know that.

00:59:21

You are a young man joining Chemistry Department

00:59:25

now you are you know the junior

00:59:27

most faculty in the Chemistry Department

00:59:29

and you expect accommodation on the campus?

00:59:31

Do you think its a joke?

00:59:32

I said it is not a joke.

00:59:34

I am asking if it is not there I can't do anything about it,

00:59:38

but there is a letter, I talked to director

00:59:40

he says go and see the registrar I have seen you.

00:59:43

Sorry no such thing as accommodation for another

00:59:46

5 years you will get no accommodation to campus

00:59:49

go and get the accommodation in Taramani or Adyar

00:59:51

somewhere there are plenty of house available in Adyar.

00:59:53

Sir that I can enquire, but accommodation in the campus

00:59:56

if it is available please let me know. Ok ok.

01:00:00

Then I went down he was I think,

01:00:02

registrar was in the third floor, director was in the fifth floor.

01:00:07

So, I went up to the fifth floor sir I met the Registrar

01:00:10

and he says I don't get any accommodation for 5 years

01:00:12

because I am the junior most faculty

01:00:15

in the Chemistry Department. Is that what he said?

01:00:17

Ok, sit down. Call the registrar.

01:00:21

So, Sethunathan comes, sir,

01:00:24

you know as a director of the institute

01:00:26

I have promised a person

01:00:28

I have invited him to join us from U.S.A.

01:00:30

he already had a job in U.S.A., he did not take it up.

01:00:33

He honoured my request and he has come

01:00:35

and I have given a promise that I will give a job

01:00:37

accommodation and you see there is no accommodation

01:00:39

for 5 years. Ok. Let me ask you a simple question.

01:00:43

What is happening to wardens quarters number 8

01:00:45

he has walked around and found out what accommodations

01:00:47

are being locked up or not.

01:00:49

Sir that is kept for broken furniture.

01:00:52

Tomorrow take all the broken furnitures

01:00:55

throw it to the workshop or carpentry section

01:00:57

I don't care that has to be repaired cleaned,

01:01:01

whitewashed and given to Dr. Subramanian

01:01:03

within the next 5 or 6 days.

01:01:05

This is an order of the director.

01:01:09

You know I have goose pimple. Ramachandran.

01:01:11

Here is a director which says I have promised this young man

01:01:14

you give it. If you are a registrar

01:01:17

you are supposed to make things possible.

01:01:20

Its always easy to say, its not possible

01:01:22

that is a auditors will say audit objection.

01:01:24

Registrar would say statutory objection

01:01:26

I don't want to be people to object

01:01:28

you have to enable the director to get things done.

01:01:31

So, I promise this young man accommodation

01:01:33

he gets it by hook or crook.

01:01:34

He will get it because you know you just now said

01:01:37

there is a house be kept for broken furniture.

01:01:40

We don't build houses of broken furniture

01:01:42

in the campus because accommodation is so costly

01:01:45

in Madras. So, you should give it to him.

01:01:47

Yes sir yes sir yes sir,

01:01:49

The same thing. came down I have I have first he say

01:01:51

yes sir, he was waiting for me outside.

01:01:55

So, you went and complained the registrar

01:01:57

I didn't complain. I told him that

01:01:59

I will not get anything for 5 years.

01:02:00

So, I was just informing him that's not information

01:02:03

that's a complaint against registrar

01:02:05

you think. No I had my own.

01:02:07

You think you do you going to be comfortable

01:02:08

in this institute Sir I don't

01:02:10

know sir. I had I had my own with you.

01:02:11

Ok alright. Ok. You will get your accommodation ok

01:02:14

don't worry alright He wanted to prove

01:02:16

is he he has a little problem. Because he said

01:02:18

he cannot take that complaint

01:02:20

in front of me. say that he has a kind of.

01:02:22

The director told him so. he is the only one.

01:02:24

But Sethunathan was always like that rough and tough.

01:02:26

Not only Sethunathan that's what you take anybody

01:02:29

you ask anyone they will tell you the story about

01:02:32

Sethunathans reaction. This is an interesting anecdote I remember.

01:02:35

He is a nice person he is a very nice

01:02:36

person and he is very good registrar. Otherwise

01:02:38

he will do the job. But he has got his own personality

01:02:39

have to deal with. But anyway,

01:02:42

but that's all part of the things,

01:02:43

even I had the little quarrel with him.

01:02:45

Once by the unwittingly I signed it with the green ink

01:02:49

because that was one there is lying there.

01:02:51

So, I signed it to send the letter

01:02:53

he called me and said

01:02:55

sir began to the later began to respectively. So,

01:02:59

sir you have signed in green ink. Green ink.

01:03:03

That's my privilege. What your privilege?

01:03:06

Where is it? Give me the your statutory

01:03:09

only you can sign it. Then he came down

01:03:11

and said you know sir that is the practice,

01:03:14

whenever there is a green ink,

01:03:15

it is the registrar. Oh if you say that if you have told me

01:03:19

please refrain from here after you you

01:03:21

sign it in black ink or whatever ink,

01:03:24

but don't sign it in green ink I would have

01:03:26

agreed it to you, but you said you are

01:03:28

demanding that don't do that.

01:03:30

Kept quit I am sorry please sir

01:03:32

dont sign in. Don't sign in green ink.

01:03:36

So, I think we are going to conclude

01:03:38

in next 5-6 minutes. Before I conclude

01:03:41

you know I have one of my most wonderful

01:03:44

time of 30 years as a assistant professor,

01:03:46

professor, head of the RSIC things in the campus

01:03:49

and I was internally a little bit sad

01:03:52

when I told Natarajan that I am

01:03:53

taking voluntary retirement going away I was sad.

01:03:56

I went away, but all the time kept in

01:03:58

touch with my students and the faculty here

01:04:01

and every year or two when I drop in

01:04:03

in India it would be for IIT campus.

01:04:05

And definitely see my professors, colleagues

01:04:07

and things like that. It was going on and then

01:04:10

when I finally decided to quit my job in the U.S.A.,

01:04:13

God has given me great place

01:04:16

in this campus because I came

01:04:18

none of the door of Bhaskar Ramamurthi,

01:04:20

he jumped up from his door

01:04:22

are you not Subramanian yes

01:04:23

you taught me chemistry. I was in 77

01:04:25

batch or something like that. Oh, you remember that? Of course,

01:04:28

you are our best teacher.

01:04:29

So, you are going to be you are going to be in the

01:04:31

campus again I said how.

01:04:33

Welcome to chemistry, become an adjunct professor in chemistry.

01:04:36

You go on talk to the head of the department chemistry

01:04:38

and RSIC I am sure they can find a room for you in RSIC.

01:04:42

So, I went to RSIC they got the room ready

01:04:45

the Chemistry Department told me gave me an adjunct professorship.

01:04:49

And its kind of the whole story turned

01:04:51

back again and I am back in the campus

01:04:53

seeing my colleagues, seeing the deer, you know the monkeys

01:04:57

it just incredible, its like a dream

01:04:59

dream its really like a dream.

01:05:01

I am so, happy then

01:05:02

I came back and I am still associated

01:05:05

with IIT Madras that is just

01:05:07

an incredible great blessing of God. The name RSIC

01:05:11

did not sustain after 95 because for some reason

01:05:17

some reasons of financial allocation

01:05:18

etc. etc. It was converted into

01:05:21

Sophisticated Analytical Instrument Facility

01:05:24

which is in nomenclature wise it is little bit lower than

01:05:28

Regional Sophisticated Instrumentation Centre.

01:05:31

However, the one thing that I would say is

01:05:33

the the worst thing that has happened to

01:05:36

RSIC then now its called SAIF

01:05:39

is there is no permanent kind of factor. Dedicated.

01:05:42

No no Subramaniam there is no permanent

01:05:45

faculty associated with that. Yeah.

01:05:47

Because we have totally four faculty subsequently

01:05:49

one Dr. T.K.K. Srinivasan, four of us

01:05:52

and we could divide the work

01:05:54

and we will do in the academics

01:05:56

as well as administrations. Yes.

01:05:58

But here its only they are we coming

01:06:00

to the centre they are only doing the administration. Yes.

01:06:03

Whatever is signing papers etc. etc.

01:06:06

they do, but any administration of the centre

01:06:10

without an academic involvement

01:06:12

it will be a failure.

01:06:14

So, now, you don't use RSIC was projected

01:06:17

so much as a national entity and that's completely lost.

01:06:21

That's what I mean to say. For example, if an equipment is

01:06:23

not working my work will suffer. That's what I hate with myself, ok.

01:06:26

So, I have a vested interest in keeping things going.

01:06:28

Yeah. In getting things going.

01:06:29

Yeah. So, if four of my faculties have such

01:06:31

vested interest and keep everything working Yeah.

01:06:33

Then the institute the particular central

01:06:35

will really flourish and that was the story

01:06:37

in the yesteryears. Now, there is a little bit of slack,

01:06:40

but its its functioning ok because

01:06:42

Functioning if the IIT is functioning had this been in an

01:06:45

university set up. Everything would have decide

01:06:47

Every thing would have been closed to the plastic

01:06:49

you know cover and would have become bag or.

01:06:52

Anyway with. Still along,

01:06:54

still we are getting money last year we got

01:06:56

23 crores for a new equipment

01:06:58

and things like slowly RS DST also has woken up

01:07:02

initially somewhere in between there were some

01:07:06

kind of a story that why should you put this

01:07:08

money in various institutions and

01:07:10

then profit will go. Let the institution get their

01:07:12

machines let them these centres can be closed down

01:07:15

somebody came up with such a suggestion. Yeah.

01:07:18

And we were worried that someday its going to be

01:07:20

closed down. Then the new DST Secretary Ashutosh Mukherjee

01:07:25

took over 2 years ago and I was there in

01:07:27

DST presenting our progress

01:07:29

he said I think this wonderful concept

01:07:32

there is no question of closing down all this

01:07:34

we will in fact, boost these centres.

01:07:36

So, that they are extremely helpful for the

01:07:38

young people who are doing research

01:07:40

in rural area they are not exposed to anything

01:07:42

they will be able to come and do some work.

01:07:44

So, therefore, we shall make sure

01:07:46

that these centres will still continue to be funded

01:07:49

that's where the new DST centre designed.

01:07:51

It was a really a nice positive statement from

01:07:54

the Department of Science and Technology.

01:07:55

I think you know it will carry on. Only thing is

01:07:57

there are some dedicated faculty at that Institute Centre. There must be academic involvement.

01:08:01

Then I think it will even even flourish

01:08:03

better and more productive and more effective Ok, now

01:08:07

what then we say. Yeah I think thanks We should thank you for inviting us

01:08:11

for this opportunity from Heritage. into this programme.

01:08:13

Whatever we we could think of. Sometimes you might have

01:08:16

found there is more personal projection in this talk.

01:08:20

But then it sometimes becomes inevitable. Not all of.

01:08:22

because when you talk you usually talk about yourself you know

01:08:26

people are so happy to blow their own trumpets. Not.

01:08:28

So, sometimes it happens. In our case not everything has.

01:08:30

But basically the idea is to reminisce our time here and to really

01:08:36

complete and closure then this one of the best place to be

01:08:38

completely the best place to be.

01:08:39

Thank you very much. Thank you.

01:08:41

Thanks.

Oral History Project

< Back

Prof. R. Vasudevan in conversation with Prof. B.S. Murty

00:00:11

Good morning, Professor Vasudevan.

00:00:13

Thank you.

00:00:13

Thanks for coming and then giving us a chance to interact with you

00:00:19

and to listen to you about those days, the golden days

00:00:22

that everyone talks about when you were here,

00:00:25

for quite some time. I heard that, you came here

00:00:27

in '63 and stayed here until '97?

00:00:30

So, we want to hear more from you -n

00:00:33

how did you join IIT Madras, what did you do

00:00:36

before joining IIT Madras, and then your days at IIT Madras,

00:00:40

your academics and also otherwise.

00:00:42

So, we would like to listen from you

00:00:44

about your whole experience at IIT Madras.

00:00:48

Well, you could call it the musings of a Methuselah, you know,

00:00:52

I will try to make it as brief as possible.

00:00:55

I am nudging 83,

00:00:57

so, I have to cover a great deal of ground.

00:01:01

Since, you asked about my early days,

00:01:03

I came to Madras as a boy of 8 in the year 1943.

00:01:09

You must permit me to use the term Madras

00:01:12

with regard to Chennai, because that was the

00:01:15

name of the city all the time that we stayed here.

00:01:18

It's the name of the institute also sir, it is still IIT Madras.

00:01:20

It is still IIT Madras. Whenever, somebody tells me IIT Chennai,

00:01:23

Exactly. I correct them.

00:01:24

It's IIT Madras in general. Yes. Correct, by act of parliament, it's only IIT Madras.

00:01:27

Sir, sir, please, go ahead. Yeah.

00:01:29

So, for me, it will always remain Madras only. Okay.

00:01:31

So, I came to Madras in the year 1943,

00:01:35

when the 2nd World War was still raging.

00:01:38

I still remember going to school,

00:01:40

and my mother was warning me. In those days,

00:01:43

the Japanese were bombing; Madras was bombed by the Japanese.

00:01:47

And my mother had told me...in those days,

00:01:49

while going to school - I had to walk about 2

00:01:52

miles to go to my school -

00:01:53

she told me what to do when there is a siren.

00:01:57

There was a siren mounted in those days on all the

00:02:00

metro stations. There was only one line from Beach to Tambaram, Okay.

00:02:05

and there was a siren mounted on each of those.

00:02:08

And, the siren would go off at the time a plane was coming.

00:02:12

So, my mother had warned me - the moment a siren

00:02:14

comes on, run into the nearest place;

00:02:17

if you are sitting in a classroom, run to one edge of

00:02:21

the classroom, don't be at the center,

00:02:24

and have a pencil between your

00:02:25

teeth, so that no explosive sound would lead you to bite

00:02:30

your tongue and all that.

00:02:31

So, these were my earliest memories.

00:02:33

There were air raid shelters all around Madras,

00:02:37

and these were removed only in the year 1944,

00:02:40

actually, by my father, who was a retired PWD officer,

00:02:44

who was charged, at that time, to remove all the air raid shelters.

00:02:48

There was one air raid shelter removing something...looking like a

00:02:52

hard stone cylinder, that’s what they would look like.

00:02:56

And, immediately opposite Kodambakkam railway station,

00:02:59

it was there...these things were removed.

00:03:02

So, that is my earliest recollection of Madras city.

00:03:05

I remember the end of the war in 1945,

00:03:08

when the symbol V was flashed on the sky from

00:03:13

Meenambakkam Aerodrome in 1945, when Germany surrendered.

00:03:18

I remember, when India got independence in 1947.

00:03:22

I was at school and we were all marched off to the

00:03:25

playground and each of us were given one packet of sweets. Wow.

00:03:29

Yeah. That is all.

00:03:30

So, I completed my schooling in the year

00:03:32

1949. And, I was under aged. In

00:03:35

those days, you know, unless you are had a

00:03:37

minimum 14 years 6 months, you could not join college. Okay.

00:03:40

So, I had to waste one year. I spent my time learning...

00:03:44

time learning short hand and typewriting.

00:03:46

1950, in keeping with our family practice,

00:03:49

I joined the Madras Christian College.

00:03:51

Madras Christian College for us, was a family tradition;

00:03:55

my elder sister studied there,

00:03:57

my elder brother studied there,

00:03:58

my cousin studied there, even my grandfather

00:04:01

studied in Madras Christian College. Okay.

00:04:03

So, I took my intermediate there. All your family college.

00:04:06

Yeah, it was.

00:04:07

So, I took my intermediate degree in the year 1950.

00:04:11

The intermediate in those days was like the 12th standard now.

00:04:15

The schools were giving only up to SSLC, that is 10th standard.

00:04:18

In Andhra Pradesh, which I belong to, we still call it as intermediate.

00:04:21

You still call it intermediate.

00:04:23

So, this is what it was like that. And, following that,

00:04:26

I branched off into physics; my background is actually physics.

00:04:30

I took an honours degree in physics from...

00:04:32

Most of the people I know, who have

00:04:34

done metallurgy, they are all chemists. Yeah.

00:04:36

This is something unique. No, not necessarily.

00:04:38

Your own guide, Professor Ranganathan...

00:04:40

Professor Ranganathan was a chemist.

00:04:41

Chemistry sir, I know he was a chemist. Chemistry back ground? I thought that he was a physics background.

00:04:44

Well, anyway, Professor K. S. Raghavan, my colleague and Professor... But anyway...

00:04:47

No, sir... Professor E. G. Ramachandran, also physics.

00:04:50

So, I took physics honors, in which, my demonstrator

00:04:55

there was Mr. T. N. Seshan, the celebrated

00:05:00

Chief Election Commissioner of later days.

00:05:02

Before he wrote the IAS, you know, he also took physics honors. Okay.

00:05:06

And then, he was there at that time.

00:05:08

In 1955, having completed physics honors...the Advance

00:05:14

Centre for X-ray Diffraction here, under

00:05:16

Professor G. N. Ramachandran had just started. Okay.

00:05:20

And, they were offering an MSc degree course;

00:05:21

directly offered by the university not through a college. Okay.

00:05:24

Straight through the university. I was therefore,

00:05:26

the student of the celebrated biofacies Professor G. N. Ramachandran, Okay.

00:05:31

I was one of his direct students. And my other teacher,

00:05:34

there was Professor Alladi Ramakrishnan,

00:05:37

The director of the Institute of Mathematical Sciences.

00:05:39

And, at that time, way back in 195-in 1956,

00:05:44

for the first time, we came into contact and could use

00:05:47

actual X-ray diffraction equipment, Wow.

00:05:50

including cameras and all that.

00:05:52

So, it was a privilege to be connected with Professor

00:05:55

G. N. Ramachandran, who was a direct and if I may

00:05:58

mention, a favorite student of Professor C. V. Raman.

00:06:01

Actually, it's been my privilege to be

00:06:03

connected with two people connected with Sir C. V. Raman.

00:06:07

Professor G. N. Ramachandran was one, and the

00:06:09

other was Professor E. G. Ramachandran...E G Ramachandran

00:06:10

himself, later on. Yeah.

00:06:12

So, I took my MSc from the University of Madras,

00:06:16

specialization was x-ray crystallography; that’s my background,

00:06:20

x-ray crystallography.

00:06:22

At that time, my desire was not to become a teacher

00:06:26

or even to go to the IAS, but to join the Indian Air Force. Oh!

00:06:32

I appeared for the interview-for the interview for

00:06:35

Indian Air Force at Dehradun, all the way. There was only

00:06:38

one centre where they used to conduct the interviews.

00:06:41

It was 4 days of hard interviews, you had a lot of

00:06:45

tough tests and psychological examinations and all that.

00:06:50

Four people from all over India were selected, one of them was myself.

00:06:53

Wow! Good.

00:06:54

Having been selected from Dehradun, we were sent to Delhi,

00:06:58

to the Armed Forces Medical Centre there for medical checkup.

00:07:04

In those days, they were not so keen to recruit people, nearly

00:07:08

50 percent of people selected, would be rejected medically.

00:07:12

On the very first day, I was selected.

00:07:14

So, I thought I had my commission on hand,

00:07:17

but unfortunately, the next day the whole thing was

00:07:19

overturned and they said "you are disqualified."

00:07:23

So, it's really the slip between the cup and the lip.

00:07:27

This time the cup was almost, at the lip.

00:07:30

So, it fell. So, so that was really a shattering

00:07:34

experience for me, because that was my greatest ambition.

00:07:37

You know, in those days there were not many options open to people.

00:07:42

Either you had to go into the defense forces or

00:07:45

you have to join the IAS, these were the only

00:07:48

Class One kind of jobs available.

00:07:51

But right then, in the '50s, the steel plants were coming up. Okay.

00:07:55

And someone told me, that a study of metallurgy

00:07:57

would also give you a fairly good career.

00:08:00

In those days, the only centre giving education in metallurgy

00:08:04

in South India was the Indian Institution of Science. Okay.

00:08:06

The total number of students selected from

00:08:09

all over India was 16; there is a quota system, and

00:08:12

the number limited to Tamilnadu was 3.

00:08:14

Although the basic requirement was only

00:08:17

a BSc degree, you could never hope to get the BSc degree from

00:08:21

Tamilnadu there, you must have had an honors degree or an MSc degree

00:08:26

with a university rank, otherwise you wouldn't get it.

00:08:29

Anyway, I managed to get into it.

00:08:31

And, I was privileged to be a student of Professor T. R. Anantharaman. Wow, wow.

00:08:36

Few may have heard of him.

00:08:38

He had one of the most distinguished academic careers, Okay.

00:08:41

anyone could wish for. Yeah.

00:08:43

From school onwards, he was throughout first,

00:08:46

in the stated University. He was a Rhodes fellow.

00:08:49

In those days the Rhodes fellowship was offered to

00:08:52

only two people, annually, all over India.

00:08:55

Professor Anantharaman...and it was a pleasure to listen to him.

00:08:59

So, he was our role model.

00:09:02

And, with my background in physics,

00:09:04

and he was teaching his physical metallurgy,

00:09:06

My love for physical metallurgy grew. Well.

00:09:08

So, I became a physical metallurgist from that time onwards.

00:09:12

So, having completed the diploma course in metallurgy,

00:09:17

there were the usual options for me,

00:09:18

I could join Hindustan Steels,

00:09:20

I could join atomic energy commission;

00:09:22

I had an offer from both of these. Okay.

00:09:24

The IIT Madras was just starting.

00:09:26

So, I appeared for an interview,

00:09:27

I was selected for a faculty position at that time, Wow.

00:09:31

in the year 1959. '59.

00:09:34

But, the engineering classes were yet to begin after 2 or 3 years.

00:09:40

So, they shunted some of us off to Germany,

00:09:42

for an advanced technological training.

00:09:45

So, there were only 3 centres in those days

00:09:48

giving advanced technological training in metallurgy;

00:09:53

one was Berlin,

00:09:54

one was Clausthal, the third thing was Aachen. Aachen.

00:09:57

There was one Professor T. Ramachandran,

00:09:59

who served for a short time here.

00:10:02

He later on became a head of the

00:10:03

department and the principal at Surathkal. Okay.

00:10:06

Professor T. Ramachandran was already at Clausthal. Okay.

00:10:10

And, when we corresponded with him,

00:10:11

he said, "there is no place for you here."

00:10:13

And at that time, Berlin,

00:10:16

there was a little bit of a problem, if you will remember.

00:10:18

That was a time when Germany was divided into two parts,

00:10:21

and you could approach West Berlin only through East Germany.

00:10:24

Through East Germany.

00:10:25

So, I did not opt for it.

00:10:26

So, I came to Aachen.

00:10:28

Incidentally, I met a later colleague

00:10:31

who was to work here also, Mr. Dasgupta. Dasgupta.

00:10:35

Professor E. G. R. must have mentioned about him.

00:10:38

Mr. Somshankar Dasgupta was also there at

00:10:40

Aachen at that time, he came a little earlier.

00:10:43

I started my research work at the Technical University

00:10:46

of Aachen in the same area in which

00:10:49

Professor Anantharaman was working, namely,

00:10:51

stacking for parameter determination

00:10:53

and then, its effect on work hardening.

00:10:56

Very recently, I should tell you, sir, IIT Madras

00:10:58

and Aachenn have a strategic partnership, okay,

00:11:01

with a lot money pumped into between

00:11:03

the two institutions and lot of work is going on.

00:11:05

Much better, exactly. Lot of student exchanges are going on

00:11:07

between the two institutions.

00:11:08

That's what I said.

00:11:10

So, I started doing...but maybe at this time

00:11:14

I should interject with a few of my other experiences

00:11:17

as part of the narrative.

00:11:20

I mentioned already that, in those days, it was more

00:11:24

or less always common to have a ship journey

00:11:26

only from India to anywhere, whether it's

00:11:28

America or Germany and all that.

00:11:31

So, Professor Kraus who was coordinating the

00:11:35

IIT Madras activities from Germany,

00:11:38

he suggested, we take a boat from India

00:11:41

and he would reimburse our travel from there.

00:11:44

There was some confusion in those days between Bonn, Delhi and madras.

00:11:49

So, when we left from here, I checked with

00:11:50

Mr. Natarajan, "where I should go?"

00:11:53

He said, "you take the boat, you go to Bonn,

00:11:56

you meet the education officer in Bonn,

00:12:00

who will then tell you where you have to go."

00:12:02

This was supposed to be a

00:12:03

technological training preceded by a language course

00:12:06

- to pick up the language - it's given in a

00:12:08

different place, small place.

00:12:10

So, when we had all booked together, that Professor Ramanujam,

00:12:16

he was also along with me.

00:12:18

Professor Y. B. G. Verma,

00:12:20

both of these people, they were also...

00:12:21

Then, there was one, Dr. Garud,

00:12:24

who later on became principal at Nagpur.

00:12:27

VNIT, Nagpur. Yeah.

00:12:28

Well, when I studied there, he was the principal. Yeah.

00:12:31

Yeah, we all went together by the same boat. Okay.

00:12:33

And, there was one Raju also. Four of us had

00:12:36

booked a cabin in by boat.

00:12:38

Just a few days before we were leaving, there was a

00:12:41

telegram from the DAAD saying, "your tickets

00:12:43

have been booked by plane."

00:12:45

This is created another confusion because

00:12:47

we had already booked it by boat.

00:12:49

Anyway, I managed to contact the people,

00:12:50

they said, "okay, you can go by boat."

00:12:52

So, we took the boat from Bombay. It was a 14 day

00:12:56

journey from Bombay to Genoa and from Genoa

00:13:01

we were to take a train and this train would take us through Italy,

00:13:04

through Switzerland into Germany.

00:13:07

So, when I was going, its pretty interesting, that time,

00:13:11

the Suez Canal had just been reopened.

00:13:13

In 1956, you would have heard, there was a problem in the Suez Canal;

00:13:17

Gamal Abdel Nasser had blocked it.

00:13:19

So, people had to go all the way around Africa,

00:13:22

like Vasco da Gama in the old days.

00:13:24

At our time, it had been opened.

00:13:27

So, the interesting point that I want to mention

00:13:29

to you was that, Suez Canal is a very

00:13:32

narrow channel, like this, and there are two terminal points;

00:13:36

one is called Suez the other is called Port Side.

00:13:40

For those of the ship passengers, who want to

00:13:42

have a look at Cairo and have a look at the pyramids of Egypt,

00:13:46

they used to organize a one day journey. We would

00:13:49

get off the ship at one end, be taken through

00:13:53

Cairo where we could see the museum, to

00:13:56

the pyramids of Egypt, the Sphinx and all that...

00:13:59

and they would bring us back and put us on boat,

00:14:01

the ship at the other end of the Suez Canal, right.

00:14:05

So, we were taken and had the pleasure of

00:14:08

seeing the Sphinx, a short ride over a camel in the desert,

00:14:13

and also, going down one of the pyramids;

00:14:16

this is one of the interesting things there.

00:14:19

So, we were brought back after that and

00:14:22

when we are reached Suez, unfortunately,

00:14:25

the agent had taken too much time,

00:14:28

so, the main ship was already in motion.

00:14:30

So, we were on a motor launch and

00:14:32

they were telling us, "from the motor launch

00:14:35

you can climb up to the ship,

00:14:37

the ship will throw you a rope ladder."

00:14:39

So, the ship was moving, the motor launch was

00:14:42

moving alongside and a rope ladder was

00:14:44

thrown and underneath, if you have missed,

00:14:46

you are there in the Suez Canal.

00:14:49

So, all other people preceded me, and I was the very last person

00:14:54

Yeah to climb up the rope ladder.

00:14:55

Okay. Somehow, I came up in one whole piece into the ship.

00:14:59

So, from there we went all the way. They stop for a day in

00:15:03

Naples and from Naples you could see Vesuvius at a distance.

00:15:07

Wow. Yeah.

00:15:08

After, then, we dropped off at Genoa,

00:15:11

from Genoa, I had to take the train.

00:15:14

Now, what happened was, when we were on board

00:15:16

the ship, there was another confusion which arose -

00:15:21

there was an instruction from the Indian Embassy

00:15:26

that, we should not have anywhere else except to go

00:15:29

to our respective places where we could get language training.

00:15:34

All of us were not getting at the same place, at different places.

00:15:37

The ships' captain, who had earlier told us that

00:15:39

he had our ticket to Bonn, came

00:15:41

and said, "your tickets have been changed."

00:15:44

He mentioned me the name of a small town which

00:15:46

I had not even heard, there is a ticket which you are going to get.

00:15:49

I told him, "this is not my understanding, because

00:15:51

the registrar at IIT Madras told me to go to Bonn,

00:15:54

I have to follow only his instructions.

00:15:55

The captain was very angry, you are giving me a lot of work now,

00:15:58

I said, "go back,

00:15:59

I had asked you to book my ticket to Bonn, I will go to Bonn."

00:16:02

So, we got off, we took the train.

00:16:06

Now, they had another bit of experience. When our

00:16:08

train was passing through Switzerland,

00:16:11

we were brought down at midnight at Switzerland because,

00:16:14

by the Swiss police, on doubts that our passports were bogus. Okay.

00:16:20

All of us, 6 or 8, they brought us down from the train,

00:16:24

they checked our passports. By the time they

00:16:27

found out that the passports were genuine, the train had already left.

00:16:30

I had already told the education officer that

00:16:33

we are coming by this train, we were to reach on a Sunday.

00:16:36

So, when we finally took another train and reached

00:16:39

Bonn, there was nobody to receive us.

00:16:41

I didn’t know a word of German, none of us knew,

00:16:44

we didn’t know where to go. Then, someone who knew

00:16:48

the area came, he was good enough, a good samaritan,

00:16:51

he said, "I will telephone

00:16:53

Dr. Baliga, the name of the education officer.

00:16:55

He telephoned. When the education officer came,

00:16:57

he was very wild with us, "why did you come?"

00:17:00

I said, "I had been told by the registrar to come to Bonn."

00:17:03

"I had already given instructions, you should go to other places, you know, go."

00:17:08

He immediately brought us tickets and

00:17:11

said, "two of you will go, four of you will go here,

00:17:13

two of you will go there," like that.

00:17:15

So, from there I went to the place where I learnt German.

00:17:21

So, that is a very very small village called Blaubeuren.

00:17:25

Its population was only 4000.

00:17:28

Now, the Goethe Institute had deliberately selected

00:17:31

these places because they wanted

00:17:33

the people who want to learn the language, to go to

00:17:36

a place where no one speaks any language other than German. Any language other than German.

00:17:40

It is just like throwing a baby into the water to learn swimming.

00:17:45

I remember, sir, when I was in Japan my teacher used to teach

00:17:48

Japanese without using any other language. Exactly.

00:17:51

He says, "you should learn a language through that language only." Through, exactly.

00:17:54

Not through some other language. Exactly, exactly.

00:17:56

You are right.

00:17:57

So, now, this was actually the peak of winter. Actually,

00:18:02

December 1st I started,

00:18:03

there was snow and my accommodation was on top of a mount.

00:18:07

So, when I used to come down, I used to slip on the snow.

00:18:11

Oftentimes, my book will go

00:18:12

in one direction, I will go in another direction.

00:18:15

The classes used to start with morning breakfast at 7 o' clock,

00:18:18

along with the teachers, complete classes,

00:18:20

then lunch along with the teachers, because food habits were different.

00:18:24

There were some who were vegetarian, there were

00:18:26

some who wouldn’t take beef and all, among our students.

00:18:28

So, in a small place like that, you had to make special

00:18:31

arrangements. They would go with us and after lunch, back to class,

00:18:35

classes till the evening.

00:18:37

In Germany, you have a very early dinner 6 o’clock

00:18:39

back, dinner, and then homework.

00:18:43

So, this. Very hardwork.

00:18:44

Yes, but this was really very good because,

00:18:47

I didn’t know a word of German when I first went there,

00:18:50

but within 10 days I could manage. That was the level of

00:18:54

the training at the...as Professor Murthy correctly point

00:18:57

out, one of our teachers once wanted to give the

00:19:00

meaning for the word 'fallen.' 'Fallen' in German

00:19:03

means to fall in English.

00:19:05

There were people who didn’t know English also

00:19:06

in those places. And actually went, he actually went

00:19:10

upon on top of a table and fell down,

00:19:13

he said, "this is 'fallen.'"

00:19:17

So, that was very good and we were particularly

00:19:20

happy to note that there were people from various

00:19:23

countries there and the first thing which gave us

00:19:25

confidence was that Professor Ramanujam and myself

00:19:28

were continuously on the top of the class,

00:19:31

to such an extent that when we finished the first two courses,

00:19:35

we were required to finish only the first two courses,

00:19:37

we were continuously getting the 'Sehr Gut' note, that’s the

00:19:40

highest note that they would give, they offered only for the

00:19:44

two of us the option you could take the middle course,

00:19:46

middle course, the double promotion, you could take the next one.

00:19:49

Now, I didn’t want to take it because

00:19:50

I was not too sure what note I would get.

00:19:52

So, I told them, "I have been all along getting the highest note,

00:19:56

but you ask me to take a bigger examination,

00:19:58

I am not sure." They said, "it's up to you,

00:20:01

but we are sure you will clear it,

00:20:02

but whether you will get the highest note, we don't know."

00:20:04

I said, "I will go along with the usual one." Professor Ramajunam

00:20:07

took the higher examination

00:20:08

and cleared it.

00:20:09

We were the only two people who were offered that kind of option.

00:20:12

So, following that I went to the University of Aachen

00:20:15

and very...started work on the stacking port parameter studies.

00:20:22

Now, it was when I was there

00:20:24

that I came to hear that Professor E. G. Ramachandran

00:20:27

had taken over as the

00:20:29

first professor and head of the department here.

00:20:32

Now, while at University of Aachen, I had a boss

00:20:37

whom I will remember as one of, probably, the

00:20:40

finest persons I have ever met.

00:20:42

What should I say? He was more than a gentleman.

00:20:46

I found him a nobleman, he was extraordinarily kind to me,

00:20:51

extraordinarily kind, considerate.

00:20:54

So, I was very happy to work under him.

00:20:56

And therefore, I also took advantage. Sometimes,

00:21:00

I would go on the journey. I as a doctorate student,

00:21:04

he gave me the privilege of having some

00:21:06

Diplomarbiet students. People were doing the diploma

00:21:09

in Germany, which is equivalent to the master's degree in Germany.

00:21:12

They had also do a project work.

00:21:14

So, that could be a part of my project work and he said,

00:21:17

"you can pass it on to them."

00:21:18

So, I used pass on some work to them and take off myself,

00:21:21

to look around France, here, there, the places, like that.

00:21:25

So, one of the things I want to mention to you again,

00:21:28

which is part of what you have mentioned here was,

00:21:30

a camping trip I undertook all the way to the North Cape.

00:21:35

The North Cape is the northernmost point of Europe;

00:21:38

northernmost point of Europe. I am referring to the year 1961.

00:21:43

So, there was a German colleague and his fiancé,

00:21:49

and myself. There was a German Dauphine, a

00:21:52

Renault Dauphine car; I had taken my driving licence in Germany.

00:21:56

So, rented through to drive.

00:21:58

And, my other friend was also entitled to drive.

00:22:00

So, the two of us we went camping.

00:22:03

So, we had take tent accommodation with us,

00:22:06

we had to cook all this, because it involved a

00:22:10

round trip of 8000 kilometres

00:22:14

to be completed in 30 days, less than 30 days.

00:22:17

And, we were not so rich that we could afford more than 800 marks;

00:22:21

the old currency in the days those days was the

00:22:23

German mark. In those days, the German mark was

00:22:27

about one and a quarter Indian Rupee.

00:22:28

That was...that was all we could afford.

00:22:31

So, we could go only by camping.

00:22:33

So, we did take a car and I told him that,

00:22:36

"I would prefer to take the highway, it's easier for me to drive,

00:22:39

you take the city driving, I was like..." Was there any the speed limits those days?

00:22:42

People say, Germany is the place where

00:22:44

there are no speed limits, okay?

00:22:47

What about those days?

00:22:48

Yeah, actually I will mention this to you, when we were...

00:22:53

I remember, '96, my host drove me. Yeah.

00:22:56

A car at 250 kilometres per hour. Yes.

00:22:58

Until I saw the speedometer, I cant make out that it is actually 250. Yeah it.

00:23:03

So, it was.

00:23:04

Auto ball It was Autobahn., So smooth drive. Autobahn.

00:23:06

And, if it is Mercedes, you will never feel it.

00:23:08

They will say, they will always say, "the Mercedes engine is

00:23:11

absolutely silent, at whatever speed you will go."

00:23:14

Yeah. Now, I want to mention about the speed in some other connection,

00:23:16

I had mentioned this earlier.

00:23:17

It's a very small car, it could not go very much beyond

00:23:20

90 or 100 kilometres, the small car only.

00:23:23

So, we had taken this car and we were at...there is

00:23:27

camping places, all over Europe you have that. In the evening,

00:23:29

we will get down, pitch our tent over there, cook

00:23:32

on a small kerosene stove heat and then, take a look and go around.

00:23:36

So, we went through-through Germany,

00:23:39

then into Denmark and then, from there into

00:23:42

Sweden, and then, from there into Norway.

00:23:44

In the upper regions of Norway, you have the lap...laps there,

00:23:47

Lapland and then, from there, you go to the North Cape,

00:23:51

which are the northernmost point there.

00:23:53

Now, driving in those regions is, was extremely

00:23:56

dangerous in those days. Although we went in July,

00:23:59

there was still some snow over there and believe me,

00:24:01

the width of a road was probably half this, that

00:24:04

you are seeing. Only one car would pass. On one side was an abysmal fall.

00:24:10

On the other side, were mountains with lot of

00:24:16

crags, that kind of thing, we could easily pick up a

00:24:19

scratch and all that on the car; you have to be very careful.

00:24:23

Now, when I was driving there, at that time,

00:24:27

I negotiated a curve at, what you today say was not a

00:24:31

very high speed, somewhere between 80 and 90 kilometres.

00:24:34

For some unknown reason, the car sprang away from

00:24:37

the road, crossed a ditch. Fortunately, where we were

00:24:41

going, there was little expanse, jumped along the ditch,

00:24:44

and came, fortunately, rightside up on the other side.

00:24:48

That shook us to no end,

00:24:51

but, we came out in one whole piece, we got out.

00:24:54

Now, there was a ditch and there was a road here.

00:24:57

So, the the problem was, how to get the car across a ditch?

00:25:02

Yeah, yeah.

00:25:03

Fortunately, it was a small car and there were

00:25:05

friendly passersby. They halted their car, hefty chaps,

00:25:11

all of them physically lifted the car

00:25:14

and brought it back. I mention this for that speed only.

00:25:17

Because, there were regions there,

00:25:19

where you could not really go too fast.

00:25:21

Norway, in those days, were

00:25:22

not so rich, they had not struck oil in those days.

00:25:24

So, in the summer when we went, there used to be

00:25:27

terrible stench of fish, because they would be

00:25:30

drying fish all the way around the river.

00:25:33

So, we went all the way to the North Cape.

00:25:36

On the way, I could read a newspaper at 2 o' clock

00:25:39

in the night, because the it was land of the midnight sun.

00:25:41

It was still so bright.

00:25:43

So, I reached there, and there is a very small shop there, and

00:25:50

then, the North Cape itself is nothing more than

00:25:53

just a stone and then, an arrow pointing towards a North Pole.

00:25:58

From that point onwards, it's water. Okay.

00:26:01

So, I went there and they had a

00:26:03

small register in which the names of all people

00:26:06

Who? who had come from

00:26:07

various countries that entered. Entered.

00:26:08

I thumbed through it, maybe, I did not look into it carefully,

00:26:11

but, I did not see any other Indian name

00:26:14

before my...was very happy.

00:26:16

One of the first Indian to land there.

00:26:18

I don’t know.

00:26:18

May...maybe it's not correct, there could have been other people.

00:26:21

I said one of... I might not have seen it.

00:26:22

One of the person... I might not have seen it.

00:26:23

So, we came back, but what you mentioned.

00:26:25

We had another problem language problem.

00:26:27

When we were coming down through Finland,

00:26:29

Finnish and Hungarian belong to a different group of languages.

00:26:32

These have nothing to do with Indo-

00:26:34

German languages, absolutely different.

00:26:36

The other languages are not far about. For example,

00:26:38

in Swedish, the word for bread is Broder,

00:26:42

It is Brot in German, Brod in Swedish;

00:26:45

you could somehow get along, but when you coming to Finland,

00:26:48

absolutely, the language is totally different, only sign language.

00:26:53

But, we managed to somehow come. Then,

00:26:56

we completed all the, the entire journey, 8000 kilometres

00:27:00

in 30 days and we reached Aachen. And, the cost including

00:27:05

repairs to the car, each of us paid only 800 marks. Wow.

00:27:08

So, that was one of the interesting... So, you could

00:27:11

I undertook in 1963 .

00:27:13

What aspects of metallurgy you have, kind of, got

00:27:16

the expertise during your stay in Germany?

00:27:19

Well, actually I was mentioned,

00:27:20

I concentrated well, I did go and attend classes.

00:27:22

Stacking falls, you mentioned. Yeah, my area which I concentrated,

00:27:27

but I attended lectures also, in other areas - extraction metallurgy,

00:27:30

general physical metallurgy and all that, they were not very different.

00:27:33

But, you were also allowed to operate some machines, for example, microscope?. Yeah!

00:27:36

X-ray diffractometer was the first thing. It like,

00:27:40

the whole thing was...what should I say...

00:27:42

very, looked like predestined and all that. Okay.

00:27:46

When I went to that place, my boss had just ordered

00:27:48

for an X-ray diffractometer, he had not worked on that himself. Okay.

00:27:51

And, he had nobody to work with it. Alright.

00:27:53

But, with my background under Professor G. N. Ramachandran,

00:27:56

I was familiar. The still...the diffractometer was new at that time there.

00:27:59

So, I started working with that.

00:28:01

There was an electron microscope there.

00:28:03

Yeah, that’s what I wanted to know whether you would have...

00:28:05

Misses Butanuth, was a lady.

00:28:07

She also came here later on,

00:28:09

she didn’t stay long enough here. Mrs. Edith Butanuth.

00:28:13

That was the electron microscope,

00:28:14

but, those..those days, you know, we couldn’t go and touch

00:28:17

or operate any of those.

00:28:20

Whereas, the as far as the X-ray laboratory was concerned, everything..

00:28:23

in fact, we had also got an x-ray fluorescence spectrometer,

00:28:26

at that time.

00:28:27

My boss asked me, "can you look after both of these?"

00:28:29

I said, "no, that’s not possible."

00:28:31

So, it was, later on, passed on to a Hungarian colleague.

00:28:34

So, I stuck only to this,

00:28:37

I used to don’t only my studies concerned with the X ray diffraction, but

00:28:41

there were people coming from other...

00:28:43

who wanted x-ray diffraction pictures taken.

00:28:46

So, I used to do their work also,

00:28:48

but, I did attend lectures in other subjects also.

00:28:51

Well, I had to mention this...the

00:28:53

this standard was not very different from what-from what,

00:28:56

You are want here.

00:28:58

It was there at, maybe, at one or two places,

00:29:01

it might have been a little deeper, that’s all.

00:29:03

19... '63 you returned here.

00:29:05

'63 I returned. This time, I took a cargo boat,

00:29:10

because, I had a lot of luggage with me. Okay.

00:29:12

So, I couldn’t come, so I.

00:29:14

I bargained with Mrs. Marga Schmitz of DAAD.

00:29:17

She said, "I will pay only the fare for a normal boat,

00:29:21

you pay the extra difference." I said, "Okay."

00:29:23

I took a cargo boat. And so, we had a very interesting journey.

00:29:26

While we were coming back, we passed by the side of Italy.

00:29:30

Some of you have might have heard of this name of the cinema

00:29:33

Stromboli in which Ingrid Bergman starred.

00:29:36

Stromboli is the name of a volcano, still active.

00:29:39

Still active, and our boat was just

00:29:42

passing by this side of Stromboli.

00:29:44

It has got a...it's a volcano, you know?"

00:29:46

And, the crater mouth is like this...

00:29:49

So, in the night, we could still see red hot lava flowing down.

00:29:53

There were fishermen on the other side.

00:29:56

So, in the night, it was a beautiful sight as our ship was coming,

00:29:59

to see an active volcano in operation.

00:30:02

Then, from there we came

00:30:04

under the monsoon quarters somewhere.

00:30:06

So, this is very interesting because the ship was oscillating violently.

00:30:10

Now, in a cargo boat, passenger accommodation is like first class accommodation.

00:30:14

Okay. So, I had a cabin all to myself.

00:30:16

Now, it was some kind of a, what they call Klappbett in German,

00:30:20

folding bed, and there was a ring on the wall;

00:30:23

this was to allow for the fact

00:30:25

that you dont fall down during tossing of the ship.

00:30:27

So, I had to hook my hand

00:30:29

through the ring on the wall, so I should not fall down.

00:30:31

It was really oscillating by about,

00:30:34

a minimum of 45 to 50 degrees.

00:30:37

Oh. Because you are in the middle of a monsoon.

00:30:40

The more embarrassing thing was that,

00:30:42

when I came down for lunch, we were only a few people.

00:30:45

So, we were sitting like this, you know, our plates were all there.

00:30:48

So, when the ship was taking a toss,

00:30:50

I was often seen eating out of my neighbours plate,

00:30:55

so, of course, which displeased him.

00:30:59

So, I reached India back

00:31:02

in late July 1963 and joined duty on 1st August 1963.

00:31:08

We were all put up in a few rooms in the metallurgy workshop,

00:31:11

the MSB was not yet completed.

00:31:14

Professor Ramachandran was sitting on top, we were also sitting over there.

00:31:17

My colleagues at that time,

00:31:19

Dr. T. Ramachandran had already retired; Professor L. S. Dasgupta,

00:31:24

and Mr. Ramakrishna Iyer,

00:31:27

who was there at that time; Ragunatha Rao,

00:31:29

he was also there; there was one Venkataraman.

00:31:34

So, far as it's not too many people.

00:31:37

So, metallurgy was all in one building, the workshop.

00:31:40

Practically there only.

00:31:42

So, the... The crates were still being opened.

00:31:44

forming did not come up.

00:31:44

No, the crates were still being opened, you won’t believe it,

00:31:47

the very first batch which graduated out of IIT Madras in 1964,

00:31:52

they graduated in the year January not in July because,

00:31:55

following the Chinese invasion

00:31:57

there was an acceleration of the courses. Okay.

00:32:00

And, all the courses are required to be complete by January.

00:32:03

So, with the effect that, the very first batch graduated

00:32:06

without ever having taken a peak

00:32:09

into an optical microscope.

00:32:11

Oh not even. The crates were still being... the crates were still being opened.

00:32:17

Okay. The crates...and unfortunately the

00:32:19

the Metallurgy department was planned by

00:32:23

a few people who belonged to mechanical engineering.

00:32:26

So, they were not all really familiar.

00:32:28

Okay. So, we did not get the kind of equipment we needed.

00:32:31

The only X-ray unit we got was the outmoded ciphered x-ray unit,

00:32:36

An unstabilised unit, 57.3 millimetre camera.

00:32:41

That was all that we had on the camera.

00:32:44

You couldn’t do any kind of research work with that kind of thing.

00:32:48

So, I felt really lost.

00:32:50

After cosming back here,

00:32:52

I couldn’t do any work in the area of x-ray diffraction

00:32:55

until we got the X-ray defractometer.

00:32:58

This we got, thanks to Dr. A. Ramachandran.

00:33:01

Dr. A. Ramachandran came as a breath of fresh air. 1968,

00:33:06

he brought research into IIT, at that time.

00:33:08

So, we were to get some x-ray facilities

00:33:13

and I had gone on a Humboldt.

00:33:15

So, I was one of the first go on a Humboldt, myself and

00:33:19

the Professor B. V. Rao from IIT Madras.

00:33:21

So, Professor Ramachandran knew

00:33:24

about this I was working in x-ray diffraction.

00:33:26

When I came back in 1969, he said,

00:33:28

"we have an arrangement with Germany,

00:33:32

about two hundred thousand

00:33:34

German marks worth of equipment to come.

00:33:37

But, we want to have a centralized facility because, you can use it,

00:33:41

metallurgy, chemistry, can use it,

00:33:43

physics can use it, we cannot have separate.

00:33:45

So, we will have one central x-ray facility."

00:33:47

So, our Central XRD came that way.

00:33:49

Right, came that way.

00:33:51

So, he asked me, "you plan it out."

00:33:53

Okay. So, I planned out.

00:33:55

So, this was '69 - '70. '69 - '70.

00:33:57

But, the equipment had not yet come, Okay.

00:33:59

we had to place an order.

00:34:00

Professor Zeurn had come from Germany,

00:34:02

he was helping us in getting all this equipment.

00:34:04

So, we had planned this kind of thing,

00:34:07

I had worked with the Philips unit there,

00:34:09

So, I said, "I prefer Philips unit, Philips diffractometer"

00:34:12

Professor Zeurn helped us, otherwise we might have got other units.

00:34:15

So, he constituted a committee of which I was the convenor.

00:34:20

And, there was Professor Aravamudhan of Chemistry,

00:34:23

Professor Ramanamurthi of Physics, these were my other two people,

00:34:27

this was a... and myself as a convenor.

00:34:30

Now, he said, "you have to get it started and going immediately on its arrival."

00:34:35

By the time we came to know that everything has been

00:34:38

shipped, it was '73 January, also it was coming...no place.

00:34:44

So, the faculty association was, those days,

00:34:48

located in those small rooms,

00:34:50

where we now have a Central XRD lab.

00:34:53

So, we requested that they vacate to another place,

00:34:57

and otherwise, construction would have taken more time.

00:35:00

Okay. And, we had do it.

00:35:01

So, the equipment landed in Madras port,

00:35:05

and the Philips people were very helpful

00:35:08

and within 1 month flat

00:35:10

of the equipment landing in Madras port,

00:35:13

we had the laboratory going.

00:35:15

Completely. Completely.

00:35:17

X-ray diffractometer and then, small scale, small angle scattering

00:35:20

and, you know, other associated things also going and...

00:35:24

But then, were there any efforts to do texture those days, x-ray texture?

00:35:28

No, at that time what happened was,

00:35:30

I was not actually in the area of texture. Texture.

00:35:33

I understand, Mrs. Mahalakshmi Seshasayee, later on also, was working on texture.

00:35:37

Dr. T. Ramachandran was working on texture. Okay. Earlier.

00:35:39

Yeah, yeah. But, he was not here at the time, when this came.

00:35:41

I think we did get some attachments, I am not too sure about that.

00:35:46

But primarily, the interest was in powder diffraction. Powder diffraction.

00:35:50

Ozone powder diffraction. I understand.

00:35:51

So, this was the main thing.

00:35:53

So, professor... I got excellent cooperation from

00:35:57

Dr. Aravamudhan and Dr. Ramanamurthi,

00:36:00

both of them they pitched in. But more importantly,

00:36:03

not only did we not have any space for me at that time,

00:36:06

I had to move to whatever space was available,

00:36:09

I had no staff, nobody, nothing.

00:36:11

Get started working, I was one man who was trained in that area.

00:36:15

So, at that time, I had the great good fortune

00:36:18

of getting two outstanding students;

00:36:21

one was Professor Kesavan Nair. Oh! Okay.

00:36:24

Who graduated from IIT,

00:36:25

And was my MS student also,

00:36:27

and there is Dr. Pathiraj, who is now in Holland. Okay.

00:36:31

These two people joined me at the right time.

00:36:33

Professor A. Ramachandran told me that,

00:36:37

"I want the laboratory to function; function means function."

00:36:43

so. When I actually joined here in 2004, Professor Nair was not there,

00:36:46

So, I was made XRD incharge.

00:36:48

So, I was central XRD incharge for some time.

00:36:52

So, what we did was, we also agreed that no student should be turned back.

00:36:57

So, Dr. Kesavan Nair, who started working,

00:37:01

that time, fortunately, we also had the service of

00:37:05

Professor Macherauch from Germany.

00:37:07

Professor Macherauch, is a very well known person

00:37:10

in the area of residual stress analysis,

00:37:12

,that’s how we started under residual stress. Yeah, sure.

00:37:14

He came for a one month stay here.

00:37:16

So, he came to our XRD laboratory,

00:37:18

at the same time, Nair was there, Prathiraj was there.

00:37:21

So, he instructed, he personally used to spend time here, night and day,

00:37:26

and set up the facility, trained them and all that.

00:37:29

Subsequently, residual stress measurements from here, passed on to BHEL.

00:37:33

Building Research Institute. Even now, sir, lot of industries, Ashok Leyland,

00:37:36

and a number of industries come for residual stress analysis.

00:37:39

Yeah, from here, yeah.

00:37:40

After that only, we got the Rigaku.

00:37:42

Rigaku yeah. The x-ray diffraction unit and all that.

00:37:45

Now, Mr. Varadachari joined us, at about that time Yes.

00:37:47

I was alone once again, I had practically no staff.

00:37:50

Varadachari. Nair fortunately, Nair, my MS student,

00:37:53

got the job as an STA. Okay.

00:37:55

That is something. Pathiraj still continuity as a PhD student.

00:37:58

Then, there was one Miss Meenakshi, I dont know if you remember her,

00:38:02

she was loaned to me by Professor Aravamudhan

00:38:04

as a ah technical assistant.

00:38:06

She is, now, in America also.

00:38:09

Then, Chandrashekar was there.

00:38:11

Like birds of passage...and when they left,

00:38:15

I didn't know what to do. I met Professor V. S. Raju,

00:38:19

he said, "I have a man working with me,

00:38:20

do you think you can train him, I have no need for him."

00:38:22

I said, "give him to me." That's how Varadachari joined us. Vardachari came.

00:38:25

He stayed with us and Just about

00:38:27

2 years back he retired.

00:38:28

He left.

00:38:29

So, actually, the laboratory, I must say,

00:38:32

I was in charge and general fashion...

00:38:35

but the real development, I must

00:38:39

openly conceid, was due to Professor

00:38:41

Kesanvan Nair who was my student, and ah Dr. Prathiraj.

00:38:44

Dr. Prathiraj, subsequently went to Holland,

00:38:47

where our work done here was recognised

00:38:50

and Professor Kolster from the University of Twente,

00:38:53

he was taking people from here.

00:38:56

So, Profesor Kesavan Nair had gone there,

00:38:59

I also, was invited twice, he had a centre for advanced physical metallurgy there.

00:39:03

They were working on residual stress.

00:39:06

So, But, that time, did any electron microscope coming to IIT?

00:39:09

Yes, electron microscopy actually had come a

00:39:11

little earlier. Professor Sreenivasa Raghavan was in charge of that.

00:39:15

And, Dr... Any other facility...?

00:39:16

Dr. Butenuth...no these

00:39:18

were the things. The scanning electron microscope

00:39:20

was still coming a little later.

00:39:22

I think Dr. Gokul Rathan subsequently

00:39:24

came too, later, little later.

00:39:26

But, you know, I had my hands full with

00:39:29

XRD itself. XRD, I did not want

00:39:32

anything else. And, I was also getting interested

00:39:34

in some of the areas at - some other areas at that time,

00:39:36

I wanted to go into development and technology.

00:39:39

So, so x-ray diffraction and residual stress analysis is one aspect of it.

00:39:45

Then, I wanted to develop some other

00:39:47

areas also, fairly unfamiliar areas,

00:39:50

because I have always been thinking that there is a great difference between

00:39:54

fashionable science and relevant science.

00:39:57

And, I am a person who

00:39:59

goes in strongly for relevant science, that is where the

00:40:02

the, you must have tangible results,

00:40:07

for whatever money you Correct.

00:40:08

put into it. Correct.

00:40:09

It's my personal point of view that,

00:40:11

if you put into 10 crores of money and then get

00:40:14

3 papers published,

00:40:16

however, exalted the journal...

00:40:19

Maybe, it's my personal view, I am wrong,

00:40:21

it's possible, but it's my personal view.

00:40:23

I personally believe that, rather than that,

00:40:26

if you can spend doing some work

00:40:29

on improving any aspect of technology by 10 percent,

00:40:33

guaranteed 10 percent,

00:40:34

with a marginal input of money, public money,

00:40:37

that is really, the kind of

00:40:40

development meant for this country. Anyway, this is a personal opinion.

00:40:44

Okay, to come back to our thing.

00:40:46

So, 1968, we started our postgraduate

00:40:49

programme in metallurgy. That was the first

00:40:52

postgraduate programme was physical metallurgy,

00:40:54

1968, we started.

00:40:56

Year after that, Professor E. G. R.

00:40:58

was always very keen on industrial metallurgy.

00:41:01

So, he said, "physical metallurgy we are there, for industrial

00:41:04

metallurgy, we will get the people from Germany."

00:41:06

So, Professor Zeurn came in for welding,

00:41:08

there was one Professor Bandow who also came in

00:41:10

for welding, Professor Wagener came for metal forming.

00:41:14

And, there was Dr. Panchanathan, Dr. Roshan etcetera,

00:41:17

Dr. Prabhakar, they were all taking care of foundry.

00:41:21

Foundry, and Prabhakar was also looking

00:41:23

after non-destructive testing at the same time. Non-destructive, correct.

00:41:25

So, this way, it was being developed and

00:41:29

I did feel that the demand for physical metallurgy was

00:41:32

coming down because there was a feeling

00:41:34

among many people that the MTech in

00:41:36

physical metallurgy does not really fetch you jobs.

00:41:39

So, I did try to bring in a practical emphasis to physical metallurgy.

00:41:44

So, bringing in some kind of, you know,

00:41:46

real cases of a courses and fracture analysis,

00:41:51

real case of fracture and things like that.

00:41:53

So, we did change the

00:41:55

ah the title from physical metallurgy to materials technology,

00:41:59

to indicate their support.

00:42:01

So, this is how..

00:42:02

So, when I joined, 2004, I can say

00:42:05

those days casting, I mean casting was

00:42:08

going down, welding, forming and materials technology

00:42:11

was enlarging. Materials technology.

00:42:13

Of course, a big boost came when,

00:42:15

Professor Padmanabhan

00:42:17

joined metal forming. He was

00:42:19

an outstanding person and

00:42:21

today he is going to give, He is going

00:42:23

give the lecture today.

00:42:25

he came from Banaras to join us,

00:42:28

and, it was a very good acquisition by the

00:42:30

department to get Professor Padmanabhan.

00:42:32

So, that's how it started.

00:42:33

So, afterwards, subsequently, I had been making some visits to

00:42:36

Foreign countries periodically.

00:42:38

I was spent a year as a Humboldt fellow,

00:42:41

'68 to '69, I told you. I was

00:42:43

at the Max Planck Institute of Stuttgart,

00:42:45

where the person sitting at the table next

00:42:47

to me was Professor Anantharaman himself.

00:42:50

We were together to take the work under Professor Gerold.

00:42:53

And actually, I had gone to Professor Gerold only as

00:42:56

Professor Anantharaman suggested that.

00:42:58

So, Professor Anantharaman and I were

00:43:00

working together for 1 year at

00:43:02

the Max Planck Institute.

00:43:04

Then, 1977 I was given a Max Planck

00:43:06

Society Senior Fellowship. I went

00:43:08

on a sabbatical, this time to the Max Planck

00:43:11

Institute for metals research

00:43:13

at Dusseldorf. At that time, I did

00:43:16

some work which incidentally

00:43:18

got me a invited membership

00:43:21

into the ICDD. I didn't remember or

00:43:23

know at that time, that this work is going to lead to that.

00:43:27

I was doing it as an aside, actually.

00:43:29

Very different from what I was going to do there.

00:43:32

So, '77 - '78, I was there and I came back.

00:43:36

'82 I again went, this

00:43:39

time there to the Institute for Refractory Research at Bonn.

00:43:43

I wanted to work with my old boss Professor Maddox there.

00:43:46

I was put along with a geologist

00:43:48

but what we had in common was

00:43:51

x-ray diffraction. Okay.

00:43:52

So, we were working with that one.

00:43:54

'87 there was, once again I visit

00:43:57

there was a INSA and KNAW,

00:43:59

KNAW is the Royal Dutch Academy of Sciences

00:44:03

and the Indian National Science Academy, there was an exchange programme.

00:44:06

So, he went visiting Holland

00:44:08

because Professor Kolster wanted me to come out,

00:44:11

Professor Kolster had come and visited us here.

00:44:13

He was very impressed and he said, "I want

00:44:15

to take your people here and build up."

00:44:17

He went there and he again, called me in 1989.

00:44:20

I spent 3 months there, at which

00:44:22

time he even asked me to deliver some

00:44:24

lectures to his students,

00:44:29

which I understand, was well received by the students.

00:44:33

So, after that I had...

00:44:36

he had wanted me to come

00:44:38

every year, if possible,

00:44:40

for a few months there, but that wouldn't work out because

00:44:42

we had rules in those days, you know.

00:44:44

I had to spend 3 years, I had to be under a bond here. Okay.

00:44:47

Whenever I used to go, that was not possible.

00:44:49

Nowadays, in principle, every summer you can go if you are

00:44:52

Exactly. willing to.

00:44:53

Exactly. That's possible.

00:44:54

Now, the all this was not possible, in

00:44:56

those days. Yeah, yeah.

00:44:57

So, in 1995, I were superannuated. Okay.

00:45:01

And, at that time, the emeritus fellowship was just

00:45:04

coming in. Not by the IIT,

00:45:06

but the All India Council of Technical Education. Okay.

00:45:08

So, I was one of the first to get that, only for a period of 2 years.

00:45:11

2 years. '95 to '97.

00:45:13

So, in that period of time, I want

00:45:15

to come to this aspect now,

00:45:16

towards the end of my stay, I was getting

00:45:18

interested in the area of developmental technology.

00:45:21

Now, I was always interested to know how

00:45:24

Russians had pulled themselves up with their bootstrap,

00:45:28

they did not have have money enough money

00:45:30

and still, they were doing research work

00:45:32

comparable to what the Americans were doing.

00:45:34

We used to get translations of the

00:45:36

Russian research work here.

00:45:38

So, I used to spend a lot of time in the library here,

00:45:40

looking into the Russian research papers.

00:45:43

What interested me there was,

00:45:45

very often, the papers were very short,

00:45:47

2 pages or 3 pages - this is what we have done and this is the result.

00:45:50

They would not necessarily go into the thermodynamics behind it,

00:45:53

they would not go into the theoretical

00:45:55

studies behind it, this is what you have done

00:45:57

and this is what you have obtained.

00:45:59

I was wondering whether there was anything behind it.

00:46:02

One such thing which interested me

00:46:05

was, this principle underlying the

00:46:08

thermocouple welding gadget,

00:46:09

it is mentioned as an Yasno Bogorodsky effect.

00:46:12

This name Yasno Bogorodsky

00:46:14

is not known anywhere outside of Russia.

00:46:16

It is mentioned in a few Russian books.

00:46:18

The interesting thing is that, this is a

00:46:22

form of electrolysis.

00:46:25

Under certain conditions,

00:46:28

with electrolytes of a specific concentration

00:46:31

and specific voltages, you don't have

00:46:35

the usual kind of electrolytic heating

00:46:37

which is only resistance heating.

00:46:39

The fall of voltage between the anode and cathode

00:46:42

is not uniform there, normally it is uniform.

00:46:45

And, you will find the usual thing, discharge

00:46:47

of hydrogen at the cathode and things like that.

00:46:51

Now, with some electrolytes

00:46:53

and with certain voltage ranges,

00:46:57

you have some kind of a pseudo-anode,

00:47:00

it is not really a metallic anode

00:47:01

building up very close to the cathode.

00:47:04

So, the potential drop

00:47:05

is not uniform, it is very steep. Steep.

00:47:09

Over a small area and then gradual.

00:47:12

This steep is so strong

00:47:15

that it can give rise to a spark discharge

00:47:18

and the spark discharge will produce tremendous heating

00:47:21

at the cathode; tremendous heating at the cathode.

00:47:24

So, the whole idea was,

00:47:28

the right concentration

00:47:30

and the right...I could not get information from the old books here.

00:47:34

At that time, Professor Indiresan had sent me as part of a

00:47:39

Government of India delegation to the then USSR,

00:47:43

for studying corrosion, a joint research in the area of corrosion.

00:47:47

So, we visited several parts of the old USSR.

00:47:52

So, when I was in Moscow,

00:47:54

I requested the people there, those days, you know,

00:47:57

the commissioner, so, everything there,

00:48:00

they could dictate and call a professor like this.

00:48:03

So, I said, "such and such a professors written a book,

00:48:05

I was wondering whether I

00:48:07

could talk to him?"

00:48:08

We will summon him here.

00:48:12

So, he was there.

00:48:15

So, I said what is it

00:48:16

I said, "sir, you have written this..

00:48:18

I have been trying something here, I did not

00:48:20

quite succeed, do you remember?"

00:48:21

"No, no, I got the information somewhere else also,

00:48:24

I dont exactly remember it."

00:48:27

So, I came back,

00:48:28

but then, subsequently a

00:48:29

student working with me here, at that time,

00:48:31

I think, his name was Rajia,

00:48:34

he found out,

00:48:35

after lot of experimentation

00:48:36

one day he just walked into my room and said,

00:48:38

"sir, I have got it."

00:48:40

I couldn’t believe it, there it was.

00:48:43

Then, we immediately thought,

00:48:45

this kind of concentrated heating

00:48:49

in a small area, you will understand,

00:48:52

we could melt copper,

00:48:54

We could melt copper,

00:48:56

under the cathode it will drop down,

00:48:58

and, if you touch the electorate it will be at ambient temperature.

00:49:02

So, almost the entire heat was concentrated now.

00:49:06

Because of this, there was no energy loss. Okay!

00:49:09

So, I got one of my students

00:49:12

Pampa Rao to do actually these

00:49:14

specific measurements in the

00:49:15

electrical engineering department

00:49:17

with regard to power consumption.

00:49:19

We, first of all, took a very large transformer,

00:49:22

that was found to be a wastage.

00:49:24

They said, "this is not necessary, this is not necessary."

00:49:27

You wont believe, it when we finally built

00:49:29

the thermocable building gadget,

00:49:31

it was only 17 watts transformer, just 17 watts.

00:49:35

The time taken for a thermocouple weld

00:49:38

time taken, it was working from a 5 ampere outlet,

00:49:41

please understand,

00:49:42

a welding working from a 5 ampere outlet.

00:49:46

Not heard of ususally! You cant.

00:49:48

We had thermocouple welding gadgets here, imported from there.

00:49:51

The cost of manufacture was only 500 rupees. Wow.

00:49:55

And the cost of one weld

00:49:58

was less than one tenth of one paisa.

00:50:04

There was a time when. Did you did you kind of try to patent?

00:50:07

Yes, yes, yes, we didn’t really get very far,

00:50:10

but, one thing I was very happy about,

00:50:11

at that time, a large number of students

00:50:14

doing research in many places, who wanted to

00:50:17

you know weld thermocouples,

00:50:20

they used to come in large numbers. Our Murugesan,

00:50:22

I dont know if you remember, Oh.

00:50:23

he was a technical assistant.

00:50:25

He was the one who I kept

00:50:26

in charge of this equipment.

00:50:28

There was one Ashokan who was working.. Murugesan

00:50:30

used to handle physical metallurgy

00:50:31

lab Physical metallurgy lab.

00:50:32

he was also in charge of this, I asked him.

00:50:35

There was one Ashokan,

00:50:36

who was working with me and another project with Sri Raman

00:50:39

this another thing which he developed

00:50:40

that was ultrasonic fatigue testing.

00:50:42

This is extremely rapid fatigue testing

00:50:45

which will produce high cycle fatigue

00:50:48

that is more than a million cycles.

00:50:50

The time taken would be only two to three minutes,

00:50:53

because the stretches were generated

00:50:56

by ultrasonic means,

00:50:58

ultrasonic waves or elastic stress waves

00:51:02

and these are a 20,000 cycles per second,

00:51:04

your regular fatigue machine

00:51:06

works at about 50 cycles per minute.

00:51:08

So, you can imagine

00:51:10

a high cycled fatigue testing,

00:51:11

I could complete in a matter of

00:51:13

2 to 3 minutes,

00:51:15

what would take you for months.

00:51:16

The only problem was the power

00:51:17

Power. required for the unit.

00:51:19

We had to have very very small samples.

00:51:21

And, we had to design this,

00:51:23

you could not use the usual barium titanate crystals

00:51:26

that you are using for the normal ultrasonic clearing,

00:51:28

you had to go in and prepare

00:51:30

a special facility with nickel transducer.

00:51:32

I needed a special fine grained

00:51:35

nickel sheet for this

00:51:36

purpose which was given to me by a

00:51:38

friendly professor from England.

00:51:40

So, with Sri Raman, we developed from scratch,

00:51:43

a high cycled fatigue testing machine

00:51:45

the samples used to be only so small.

00:51:48

And, what astonished many people was,

00:51:50

I mean, I will come back to thermo couple welding

00:51:52

agent in a moment,

00:51:53

you would screw the sample

00:51:55

from one end;

00:51:57

the sample will be screwed from one end,

00:51:59

it will be free at the other end,

00:52:01

it is standing vertical...

00:52:02

Please understand it's

00:52:04

screwed at one end,

00:52:05

it is not held at the other end,

00:52:07

it is not held this way,

00:52:08

what is the stress acting on it?

00:52:13

There is no stress

00:52:14

because there is nothing which is pulling it from this side. Okay.

00:52:16

So, you dont even have

00:52:17

a cantilever force because I am not holding it this way.

00:52:20

The whole thing was because we had..

00:52:23

under specific conditions,

00:52:24

we could produce nodes and antinodes.

00:52:26

So, we could produce antinodes at

00:52:29

one portion and node

00:52:30

at the other portion.

00:52:32

We had to concentrate the stresses at the central portion only.

00:52:36

So, in order to get this we had to have only very very

00:52:39

small samples we had took,

00:52:40

but then, the advantage was that

00:52:42

we could fabricate such samples

00:52:43

and, we did demonstrate it to many people,

00:52:45

including Dr. V. Ramachandran

00:52:47

of National Aeronautical Laboratory. Okay.

00:52:49

Many people who would not believe

00:52:51

that fatigue would come out like this,

00:52:53

we showed them, the sample would be held like this

00:52:56

and after about 2 minutes, it would fall down

00:52:59

as if an axe along its neck, right in the middle.

00:53:03

Now, we did enter it for a competition,

00:53:05

I dont want to go into the details behind

00:53:06

that, there was some jealousy

00:53:08

because we didn’t get finally, because

00:53:11

the people who opposed it, opposed us on one score

00:53:14

can you compare the SN cycles

00:53:16

here with the regular SN cycle.

00:53:17

He said, "that’s not the purpose

00:53:19

behind which this is constructed,

00:53:21

please understand why I am doing it,

00:53:23

I don’t know whether its a 1 to 1 correspondence

00:53:26

between ultrasonic fatigue testing

00:53:29

and the normal fatigue testing. Normal fatigue.

00:53:31

But, the results were like this."

00:53:33

Suppose you have a number of options

00:53:35

with regard to a material,

00:53:37

either with regard to welding

00:53:39

or with regard to composition or heat treatment,

00:53:41

the question is,

00:53:43

which is the best option?

00:53:45

So, I said, "if you can do the welding,

00:53:49

according to various

00:53:50

procedures, whatever it is that you think is.. then as

00:53:53

change the composite etcetera...

00:53:55

bring me these samples,

00:53:58

I will check these samples and tell you

00:54:00

which is the optimum among this, which is the best. Okay.

00:54:03

This result will be the same

00:54:05

as what you will get from the other one,

00:54:07

but that will take you months to..."

00:54:09

In this.. This way how we put it,

00:54:11

but, they wouldn’t see it like that.

00:54:13

They said, "unless you are able to

00:54:15

tell us the connection

00:54:16

between the actual SN cycle and this, we wont do it.

00:54:19

This was at the fag end of my stay.

00:54:21

So, I left. I just stayed enough to

00:54:24

connect contact with Sriraman,

00:54:27

who was doing his PhD with me,

00:54:28

to complete that work.

00:54:30

Very other..many other interesting... Some of your students,

00:54:32

where are there now? I mean..

00:54:34

Nobody is there, I am very sorry to say that.

00:54:36

You see, the other people went into other areas also.

00:54:40

This..there are other angles to this.

00:54:42

Actually, even the unit has been dismantled,

00:54:44

I am very sorry because

00:54:45

we did find some other things there.

00:54:47

Martensitic transformations

00:54:49

in austenitic stainless steel,

00:54:52

you dont get it at room temperature.

00:54:54

You will get it only at subsidiary temperatures.

00:54:58

Now, what happens is,

00:55:00

if you, this is with regard to MS,

00:55:02

but you have MD also,

00:55:04

when you go in for defamation,

00:55:05

it will be at higher term. Higher term.

00:55:08

So, the stress for this will have to be very high.

00:55:11

Now, you will understand here,

00:55:14

when there are ultrasonic waves

00:55:16

produced with this kind of power,

00:55:17

my unit had something like, I think,

00:55:20

some like 700 watts power,

00:55:22

not like the barium

00:55:23

titanate which works with about 40 or 50 watts;

00:55:26

tremendous force.

00:55:27

So, if you had a sample like that and dipped it under the water,

00:55:30

it was subjected to cavitation bombardment. Cavitation.

00:55:33

The cavitation bombardment was so high,

00:55:36

that we produced martensite on the surface,

00:55:39

confirmed by x-ray diffraction studies. Okay.

00:55:42

At room temperature At room temperature.

00:55:46

and, above room temperature;

00:55:47

above room temperature.

00:55:49

More interestingly,

00:55:50

subjective correlation, now I am speaking from memory,

00:55:53

22 years ago,

00:55:54

we produced not one, but

00:55:56

two types of martensite.

00:55:58

And, these 2 types of martensite, you know,

00:56:01

when we reheated them,

00:56:03

they vanished at different temperatures.

00:56:07

Another aspect of this was,

00:56:08

because of this tremendous amount of

00:56:10

bombardment in a very thin area,

00:56:12

you could produce surface hardening. Okay.

00:56:16

Shot peening kind of. Shot, like

00:56:18

shot peening.

00:56:18

Like shot peening. Yes, yes.

00:56:20

Over very thin area

00:56:22

only, but the... How people use the word splat..

00:56:23

Yes. Okay,

00:56:24

surface modification. Yeah yeah.

00:56:27

Through this kind of thing

00:56:28

So, this I was a thing, which I felt

00:56:31

we could use for many things.

00:56:33

So, anyway this is one side of it, I still believe that

00:56:36

we could do a lot of work in this area.

00:56:38

One point which I mentioned to them was,

00:56:41

India was getting into missiles,

00:56:42

in those areas.

00:56:43

So, my disagreement with some of these people who,

00:56:48

I said, "look here,

00:56:49

you say ultrasonic fatigue testing has no.."

00:56:52

at least they couldn’t see the importance.

00:56:55

I said, "the missile is flying through space at that speed,

00:56:58

the flutter is there,

00:56:59

are they at 50 cycles,

00:57:01

or are they more likely to be at 20,000 cycles?"

00:57:04

That’s true.

00:57:05

Well it carried no weight.

00:57:07

So, anyway I was stepping down, that

00:57:09

is over, anyway..

00:57:10

these are all the areas where I want to get in.

00:57:12

Interesting. Another I...

00:57:13

another point I want to mention, similarly this RPM,

00:57:16

the electrolytic heating,

00:57:18

you will understand,

00:57:19

you could produce the induction heating in steel,

00:57:22

but then, only steel

00:57:24

which is ferromagnetic. Yeah.

00:57:25

Above the Curie Temperature, Correct.

00:57:27

steel cannot be heated,

00:57:29

then, only gets heated through conduction. Correct.

00:57:31

So, the initial heating at the surface

00:57:33

is only until you come to the Curie Temperature,

00:57:35

not thereafter.

00:57:36

After that, it's only heating from the bottom. Okay.

00:57:38

Now, this could heat..

00:57:40

this is not dependent

00:57:41

on the ferromagnetic effects.

00:57:43

So, not depending on, you could also heat aluminium.

00:57:48

But, it has to be a conducting material.

00:57:50

It had to be a metal.

00:57:51

Correct, metal. It had to be a metal.

00:57:52

It has to be a metal. It had to be a metal.

00:57:54

Cannot be a... Please understand

00:57:55

the beauty behind this.

00:57:57

We produced with two pieces of wire,

00:58:01

close to each other, copper and zinc.

00:58:04

The idea was, as I told you,

00:58:06

there is a very thin film of hydrogen surrounding it.

00:58:09

This film of hydrogen is also a sheath,

00:58:12

is also the cause for the heating.

00:58:15

So, when we melt it and we produce separately,

00:58:18

please understand, from a single container

00:58:22

separate nuggets of molten copper and zinc not brass.

00:58:26

Wow, wow. Not a nugget of brass,

00:58:29

separate. Now, what I felt was at that time,

00:58:32

I barely felt that, this required development,

00:58:36

there is a lot of wastage going on in the metallurgy workshop.

00:58:39

Generally any workshop,

00:58:41

they file things rings fall down,

00:58:44

copper, aluminium, steel, all of them.

00:58:46

If its possible for us to build a gadget

00:58:50

whereby these could be remelted

00:58:52

and obtained in the form of small nodules,

00:58:56

you could use them in the foundries

00:58:58

for additions. Now, this is a place where

00:59:00

you could melt them from the same container,

00:59:02

and get them as separate things,

00:59:04

only you need a gun.

00:59:05

So, we did also make a gun at that time.

00:59:08

There was one boy called Mohan who fabricated it,

00:59:11

he passed away in USA later.

00:59:13

And, you believe me or not,

00:59:16

we did have a gun,

00:59:18

and we bored through white cast iron.

00:59:22

White cast iron, without producing cracks.

00:59:26

We produced three holes Very..

00:59:28

next to each other because,

00:59:29

the heating was severely confined to that area. Okay.

00:59:33

There were some problems,

00:59:34

the area, in all these cases,

00:59:36

the anode to cathode area is very critical,

00:59:39

you must have a very large anode area

00:59:42

compared to your cathode area.

00:59:44

So, if it's thermocouple weighting gadget, no problem,

00:59:47

my anode was the container itself,

00:59:48

the cup. So, I got over it easily.

00:59:51

But while boring, you dont have this.

00:59:54

So, I was really thinking

00:59:55

that, what you needed was actually a spiral anode.

00:59:58

We didn’t do it finally,

00:59:59

but I do believe that if you do that one

01:00:01

it should be possible for us to bore through

01:00:04

very hard metals,

01:00:06

and also...these are all areas where it could go.

01:00:08

I mean physical metallurgstic doing a lot of applied...

01:00:12

I was interested. Engineering

01:00:14

It is amazing, which is not usual, There was.

01:00:16

I should say.

01:00:17

No, I should. Being a physical metallurical myself,

01:00:20

I can say this. See, based on this

01:00:22

I cannot produce a paper

01:00:24

which will come in any of the exalted journals.

01:00:26

But these are applications. ...we will research for a while?

01:00:28

The proof we are putting is in the eating.

01:00:31

You are right, sir,

01:00:33

I can agree with you.

01:00:34

One other..one other, let me just

01:00:36

mention these, two other things which I want to..

01:00:38

These are two areas

01:00:40

in which I still believe work can be done, if

01:00:43

only, thing is we need the combined efforts

01:00:47

of a mechanical engineer, Mechanical engieer.

01:00:48

a design engineer...

01:00:49

Am I overshooting my time?

01:00:50

Please tell me if I am... You go ahead.

01:00:52

A design engineer,

01:00:53

an electronics engineer, and all that. If you do that,

01:00:56

you can produce unique gadgets in this country.

01:00:59

Because our thermocouple welding gadget is not

01:01:02

paralleled by anything else outside.

01:01:04

There was one gadget which was

01:01:06

brought from America, working under..

01:01:07

which was costing about

01:01:09

20 times our gadget

01:01:11

and could not do any better than our gadget;

01:01:13

you can produce cheap ones.

01:01:15

This and also, you can develop it in many ways.

01:01:19

Ultrasonic fatigue testing, I believe,

01:01:21

is something which we can also develop.

01:01:23

Then, the third, next thing I want to mention was,

01:01:26

the effect of coatings.

01:01:27

I had noticed from East German and Russian journals

01:01:30

that there are certain coatings,

01:01:32

once again, not every coating,

01:01:33

which have a tremendous effect

01:01:35

on fatigue crack and fatigue crack propagation.

01:01:39

So, we did a lot of work with regard to many coatings

01:01:42

and we did find that some of the coatings which people are using

01:01:45

for paints, some of these,

01:01:47

have a very strong effect on crack propagation.

01:01:51

So, we were able to identify one or two

01:01:54

resins and paints

01:01:55

which could really, you know,

01:01:58

this we actually tried in our auto workshop.

01:02:01

They sent springs to me.

01:02:02

In our house, my wife and I

01:02:04

used to clean the leave springs.

01:02:06

I quote this and I have a

01:02:08

a letter from Mr...late Mr. Kumar,

01:02:11

who was the workshop superident here

01:02:13

saying, "sir, thank you very much,

01:02:16

the life of our buses

01:02:18

has now increased by at least 50 percent,

01:02:20

Wow. and our jeeps."

01:02:22

One to two. Now, the only thing was,

01:02:24

these lessons have got a very short life.

01:02:26

So, what you should do is

01:02:28

you must have, you can use this in a place, you know,

01:02:31

where there are large number of units to be treated.

01:02:34

For example, like..

01:02:36

like a, like a lorry production place or something like that.

01:02:40

All that it requires is,

01:02:42

it will not cost you more than 50 paise or 1 rupees if you applied,

01:02:45

but the minimum guaranteed life,

01:02:47

with specific coatings can be at least,

01:02:49

50 percent. read it along with the down time,

01:02:51

when a bus breaks down.. Bus breaks down.

01:02:53

this you can do within 1 rupee. 1 rupee. 1 rupee.

01:02:56

With an 1 rupee you can do it.

01:02:58

This is once again an idea which I got,

01:03:00

once again by going through

01:03:02

old Russian and East German journals. Germans and Russians were really..

01:03:06

They really. clean.

01:03:07

But then, the only thing was..

01:03:09

if you had said

01:03:10

simply this result to an american journalist,

01:03:12

it would have been turned back saying,

01:03:13

"tell us the reason why this is happening,

01:03:15

Workout the thermodynamics behind this" and all that...

01:03:17

They were not satisfied with the results only.

01:03:19

So, I was then I was saying, finally, about kidney stones.

01:03:22

So, Professor Keshava Nair had a kidney stone. Okay.

01:03:27

And, at that time, there was a doctor here.

01:03:31

He came and said, "kidney stones ah sir?"

01:03:33

he while he used to come to our XRD lab,

01:03:35

he was a good friend of Keshavan Nair.

01:03:37

So, we were talking, he said,

01:03:38

"sir, kidney stones depend very much

01:03:40

on heredity,

01:03:42

on food habits and all that."

01:03:44

A first generation,

01:03:45

Japanese-American

01:03:47

and a second generation Japanese-American

01:03:50

and a third generation Japanese-American,

01:03:52

they would all have the same this thing.

01:03:55

So, for each place, you need a data bank,

01:03:58

for treatment, because

01:03:59

we have this mistake

01:04:01

that we treat our patients here for all diseases

01:04:04

in the same way as we treat foreign patients.

01:04:06

Now, if this depends on a genetic trait,

01:04:09

I don’t know whether it is strictly correct.

01:04:11

So, we want to first of all find out,

01:04:13

there are various kinds of kidney stones..

01:04:15

the most common

01:04:17

are of course, the calcium oxalate stones

01:04:19

then, after that, there are the uric acid stones.

01:04:21

Speaking to our doctors over here,

01:04:24

I found out all kinds of things

01:04:27

which could be present in kidney stone.

01:04:29

And, we had at that time, the... So,

01:04:31

x-ray are We had the... we had the...on those books.

01:04:34

I had the x-ray diffraction pattern there, and I had one student there,

01:04:38

who although worked with me on electrolysis,

01:04:40

he was wizard in computer programmes.

01:04:45

So, I caused him to work out a software,

01:04:46

we have a copyright of the software.

01:04:49

So, the main problem here is this,

01:04:51

you see, you never have a single face,

01:04:53

what happens is, it could be a combination,

01:04:56

it could be calcium oxalate some proportion,

01:04:58

uric acid some proportion and all that..

01:05:00

now, it is like, for example, identifying a criminal

01:05:03

from his thumbprint. Thumbprint.

01:05:04

Now, if there is only one, there is no problem.

01:05:06

If 10 people are going to put, that’s a problem.

01:05:09

Now, therefore, we had all the patterns.

01:05:11

So, I asked him to work out a software,

01:05:13

whereby we could eliminate it and we had it. Eliminate it.

01:05:16

and we could really identify

01:05:18

and we did prepare this

01:05:19

and, I did at that time, I was approached

01:05:22

by the local doctors,

01:05:24

general hospital Madras

01:05:26

and also from Pondicherry...

01:05:28

they wanted to joint research programme to be started.

01:05:31

Unfortunately, the authorities then said,

01:05:33

"unless they pitch in with the funds,

01:05:36

we dont want to join into this."

01:05:37

I said, "look here, they are treating poor patients,

01:05:40

they dont have the money,

01:05:41

lets join into the.." then he said, "we will have joint guidance.

01:05:44

We want from you and we will

01:05:46

you knowm all these things, you know, it needed cooperation..

01:05:48

In the kidney stone, when the doctor operates

01:05:50

he throws away a kidney stone,

01:05:51

that’s not correct,

01:05:52

you should take it and keep it because,

01:05:54

you should find out the food habits of the patient. Correct.

01:05:56

All these things. So, you must keep it with you.

01:05:58

People usually do chemical analysis,

01:06:00

that’s a problem

01:06:02

because, there are many allotropic modifications

01:06:04

of the same chemical formula

01:06:06

chemisty cannot differentiate.

01:06:07

By XRD, we could do this one.

01:06:08

We did find

01:06:10

and we had a collaboration with the doctor from trivandrum,

01:06:14

99 percent of chemical analysis under XRD,

01:06:17

absolutely they overlap..

01:06:19

and in the remaining 1 percent I told him,

01:06:21

"your chemical analysis is wrong."

01:06:23

I go by XRD data.

01:06:25

So, now, we want to prepare a data bank,

01:06:27

we could not prepare the data bank.

01:06:29

This is only for kidney stones; Kidney stones

01:06:31

are always very highly crystallised.

01:06:33

You know, their kidney stone patterns are very sharp,

01:06:36

there is no problem.

01:06:37

But then, when you come to gallbladder stones,

01:06:40

these are not very well crystallised.

01:06:42

So, you usually get a very broad pattern.

01:06:45

Now, identifying them is a little difficult.

01:06:47

I think, if one gets into rietveld analysis..

01:06:49

One. for our software programme,

01:06:52

we didn’t have the rietveld analysis built in.

01:06:54

If you do that,

01:06:56

if you study the gallbladder stones which are not nearly

01:06:59

as well crystallized as kidney stones,

01:07:01

as well as other deposits,

01:07:03

I believe, this would be an area where we can go

01:07:06

finally, archaeometallurgy. Any any other aspects of

01:07:09

you are stay at IIT Madras you want to recollect?

01:07:11

For example, your relations with the students. Yes,

01:07:14

yes, I will tell you one thing. Campus life

01:07:16

exams. I enjoyed my life with the students.

01:07:19

And, I have no hesitation in stating

01:07:22

that, I have often learnt from my students.

01:07:25

I have often learnt from my students.

01:07:27

It's always true.

01:07:28

I went after about 20 - 25 years of service,

01:07:33

I was once asked to give lectures

01:07:36

on material science,

01:07:39

to electrical and electronic engineering students because,

01:07:42

nobody else wanted to take that course.

01:07:44

K. J. L. Iyer forced me to take that one..

01:07:46

that was a large part of theory of metals and things like that.

01:07:50

How was campus those days

01:07:51

when compared to the campus now?

01:07:53

Yes, there were, you know,

01:07:56

far fewer buildings than you have now. Okay.

01:07:58

There was a far greater,

01:08:00

larger share of nature itself at that time,

01:08:05

and all of us, as I was telling, many of us had gardens

01:08:08

in our houses.

01:08:10

So, we used to have garden competition and

01:08:13

you know. . When water scarcity

01:08:15

has now, created a problem while gardening. Yeah, yeah.

01:08:19

Yeah. Fewer vehicles also, in those days and..

01:08:22

By and large, you know, it's very very beautiful campus.

01:08:24

I can only put it like this,

01:08:26

if I have the option

01:08:27

to relive my life all over again,

01:08:30

I would like to serve again at IIT Madras. Come back.

01:08:32

thank you very much.

01:08:33

Professor Swamy, you wanted to say anything?

01:08:35

Excuse me, I just wanted clarification,

01:08:38

you know, we..

01:08:39

the metallurgy department was involved in teaching

01:08:43

BA Metallurgy to students of Anna... Yes, yes.

01:08:47

Madras University. Yes, yes.

01:08:49

Do you remember? Yes.

01:08:50

Did you teach any course, like '70 - '71? Yes yes yes yes.

01:08:53

Okay. I used to go there because

01:08:56

Dr. Kulandaiswamy was at that time, dean there. Yeah, yeah.

01:08:59

Dr. Kulandaiwamy was at that time dean

01:09:01

and, I was asked to go and deliver some lectures over there. Yeah.

01:09:03

I also, that’s why another thing is

01:09:06

your brother-in-law Tathacharya.

01:09:09

No, brother-in-law, Tathacharya, yes.

01:09:11

And, he was a member of the senate also,

01:09:15

was he a visiting professor,

01:09:18

your brother-in-law, Tathacharya? No, he came only for a short time.

01:09:21

No, no, was it for one, but he was a member at senate,

01:09:24

so, persons in, Right right.

01:09:27

did he work on anything called Kirlian photography?

01:09:30

Yes, yes.

01:09:31

Kirlian photography that’s something which,

01:09:34

I dont know how many of you..

01:09:36

you see, Kirlian photography

01:09:38

borders on the arcane -

01:09:41

can life exist

01:09:43

after some part is cut?

01:09:46

This Kirlian photography, he did demonstrate.

01:09:48

If the Electric Engineering department..

01:09:51

experiment is like this - a leaf is there,

01:09:54

Yeah. The leaf is excised,

01:09:56

a part of it is excised and cut off,

01:09:59

and then, this was done in our

01:10:01

Electric Engineering department.

01:10:06

Electrical radiation cast a shadow there of

01:10:09

including the part

01:10:11

which had been cut off. Oh.

01:10:13

It was also visible. Did this make use of

01:10:14

the electron microscope or how did he do? Yes.

01:10:17

Electron microscope which. But, I dont know the full details,

01:10:19

I know about this particular thing, this Kirlian,

01:10:21

this create a lot of sensation at that time, including the

01:10:25

governor of the Raj Bhavan, he was interested.

01:10:27

He called him,

01:10:28

he said, "I was interested in seeing this." Okay.

01:10:30

But, this was really the case,

01:10:31

even after a thing ceases to exist,

01:10:34

certain kinds of radiations can detect the absence.

01:10:38

Okay. In fact, why I am asking you is, I told Professor Murty also, Yeah yeah.

01:10:42

A doctor, Neurophysician in Medical College,

01:10:47

had tried to make use of this

01:10:49

technique in order to find out even the people who were Yes.

01:10:55

buried as Jivasamadhis. Jivasamadhis, they were trying to investigate. Yeah.

01:10:58

Actually Professor Tathachari, went back to America afterwards, So, I can.

01:11:02

he was very much interested in Kirlian photography, but

01:11:04

he was also great scholar in Sanskrit and many other things,

01:11:08

all sides, biophysics also..

01:11:10

he was a close student of Professor G. N. Ramachandran. Yeah.

01:11:12

He was a professor at MIT,

01:11:13

he was a professor at Stanford,

01:11:15

he contracted cancer and then, finally, he passed away.

01:11:17

and, he was working in this area, you are right.

01:11:20

Kirlian photography the... Okay. photograph was taken here,

01:11:23

in the Electric Engineering department

01:11:25

in the short time, yeah, yeah. I see, in photography said like you.

01:11:27

Having mentioned that, one thing I forgot to mention is,

01:11:29

my interest in archaeometallurgy.

01:11:32

I mentioned to you, India is a country where, you know,

01:11:35

we have iron and steel going back to periods

01:11:39

when the westerners were not aware of this. Correct.

01:11:42

And, I still believe that,

01:11:44

there is a lot of scope for doing

01:11:46

your work on archaeometallurgy here.

01:11:48

I'm mentioning this because, one of my students

01:11:50

did go to the Kodachadri hills.

01:11:52

At Kodachadri hills, there is a small pillar,

01:11:55

it was supposed to be made out of iron.

01:11:58

Going there is very difficult.

01:12:00

He told me, he went by bus,

01:12:01

and then he went by walk,

01:12:03

and he is lived under a tree,

01:12:05

chopped a little bit of that, came, we analysed in our laboratory.

01:12:08

The purity of iron was 99.5 percent.

01:12:12

99.5 percent iron,

01:12:14

2000 years back. In a piece..in a piece of pillar where,

01:12:17

the annual rainfall was 650 to 700 centimetres, a year.

01:12:21

And, we don't have radiocarbon dating,

01:12:24

so, we cannot tell the

01:12:26

how. exact date of the..

01:12:27

shoulb be a few centuries, at least, yeah true true true.

01:12:29

old. But, where we were lacking

01:12:32

in those days, we had done also some work,

01:12:33

we did not have the support of radiocarbon dating

01:12:36

nor thermoluminescence stating.

01:12:38

If we do this, at Melsiruvallur

01:12:42

and at other places in South India,

01:12:44

there are many things,

01:12:46

which go back easily to a 1000 year and more than that.

01:12:49

We could do a great deal of work

01:12:51

and I think, we should start archaeometallurgy.

01:12:54

At least, to respect our forefathers. I think.

01:12:57

Who were, you know...

01:12:58

actually, Konasamudram was the

01:13:00

place from which the Damascian steel went,

01:13:02

who made a Damascus blades and all that.

01:13:05

Sir, before we close,

01:13:07

any message that you would like to give to the

01:13:09

younger generations?

01:13:12

Well, I really dont know whether I am

01:13:16

qualified to give any message. I find

01:13:18

the younger generation also

01:13:20

you know, they have got much more knowledge than what I have.

01:13:23

The knowledge which I have is very small,

01:13:25

compared to the knowledge. To be, to be honest..

01:13:28

the kind of passion that you people had,

01:13:30

I think, that is something which is missing.

01:13:33

Maybe, they have knowledge,

01:13:34

they have information available,

01:13:36

but, but, the fire to do something is...

01:13:41

All I..all I want to mention was that

01:13:43

Try to try to. Do try to get into the area of

01:13:45

developmental technology.

01:13:47

All I mention is, this is something

01:13:49

which is an article of faith with me.

01:13:52

Do try to work with a small amount of capital,

01:13:56

and, try to see if you can produce definite,

01:13:59

that should not be arbitrary..definite results.

01:14:01

If you are able to produce

01:14:03

a 10 percent guaranteed Yeah.

01:14:06

improvement

01:14:06

n the performance of any product, Improvement.

01:14:08

after, let us say, investing

01:14:10

a few thousand or a few lacks of rupees on it,

01:14:13

it is worth it.

01:14:14

So, do go into it, there are a lot of, you know, all around you, Sure sure.

01:14:17

areas are available for research. Available.

01:14:20

And, we do a lot of fundamental research,

01:14:22

it's probably very good, I am not denying that. Sure.

01:14:24

But, there should also be a place for

01:14:25

developmental research.

01:14:27

Thank you, sir. Thank you very much.

01:14:29

Wonderful, thanks for coming.

01:14:31

Thank you so much. Thank you sir, thank you.

01:14:33

Okay.

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