Skip to main content

Oral History Project

< Back

Prof. Ganapathy Chettiar in conversation with Prof. V. Anantha Subramanian

00:00:11

Good morning.

00:00:12

Good morning Professor Ganapathy.

00:00:14

It's my pleasure and privilege today to have a chat with you

00:00:21

so that we recollect some of the very important events, your career,

00:00:27

your experience at IIT

00:00:30

and so that we get a full wholesome picture -

00:00:34

of- Ok, thank you. Yeah.

00:00:37

I'll start with my education background. Yeah.

00:00:42

I was born at Trivandrum, Kerala state,

00:00:46

and brought up there

00:00:48

and it is very important to stress Trivandrum

00:00:52

because with my family background,

00:00:56

I could complete up to engineering in Trivandrum.

00:00:59

Because Trivandrum is a advanced city with Engineering College also. Right.

00:01:04

All the colleges I attended were of commutable distance by walk or by bus. Bus

00:01:11

Then, in 1961-

00:01:14

Yeah.

00:01:16

Our batch was the all-Kerala batch - first batch of all-Kerala.

00:01:20

All-Kerala yeah.

00:01:21

And in 1961, I passed with first rank and

00:01:25

First class distinction. Gold medal yeah.

00:01:27

and also I received gold medal from

00:01:29

Yeah. V. V. Giri at that time. Great.

00:01:31

Absolutely wonderful yeah.

00:01:34

Then... how I came to teaching:

00:01:39

the Government of India started a new scheme

00:01:41

Technical Teachers Training Program.

00:01:43

The purpose is to attract young bright engineers for teaching.

00:01:49

Right.

00:01:50

In that way we - a few centres were

00:01:54

selected for giving training under this scheme.

00:01:57

Yeah.

00:01:58

College of Engineering Guindy was there, IIT Kharagpur, Roorkee University.

00:02:02

Right.

00:02:04

Many of the top students applied from Trivandrum

00:02:07

I applied I didn't know anything about this.

00:02:11

I have ... aiming for IRSC - Indian Railway Service. Railway service.

00:02:16

Then my executive engineer I was, short while I was in electricity board.

00:02:21

Right.

00:02:22

He said this is a Class-1 officer’s scale

00:02:25

after you finish - even if in IRSC, you will get only

00:02:30

Class-1 officer therefore, you please go.

00:02:32

Right, that was the motivation factor, yeah.

00:02:35

Then I joined - I was selected - I went to Delhi and I was selected.

00:02:39

I joined in College of Engineering, Guindy.

00:02:41

It is a 3 years program - first 2 years, part time teaching.

00:02:46

Yeah.

00:02:46

And PG, postgraduate yeah,

00:02:48

in that way I got M.Sc. Structural Engineering from there. Yeah.

00:02:52

And we also got teacher - teaching experience from USA -

00:02:57

United States aid program, some professors Ok.

00:03:00

were there, they also gave some lectures:

00:03:02

how to teach and all these.

00:03:06

Then, under this scheme Yeah.

00:03:10

the Government of India has to provide us lecturer post

00:03:13

after 3 years. It is a agreement. Ok.

00:03:16

But Government of India was not very successful.

00:03:19

Right.

00:03:20

Therefore, what my - I saw my seniors, Government of India has given

00:03:26

one of the technical teacher-training in Srinagar.

00:03:29

Another in Jamshedpur.

00:03:32

Then we thought, let us find out ourselves.

00:03:35

I, at that time fortunately, IIT Madras applied.

00:03:38

Yeah.

00:03:39

For post.

00:03:40

Yeah, 1964. Yeah.

00:03:43

I applied for the post.

00:03:46

Initially I was not called for interview.

00:03:50

It is the same old story (laughs). I met the registar at that time. Yeah.

00:03:54

R. Natarajan, IAS.

00:03:56

Right. He is very very excellent. Yeah.

00:03:59

I showed him I am first rank from Kerala University

00:04:02

and here M.Sc. Engineering also I am second rank,

00:04:05

but I was not called for interview.

00:04:07

Then he did something there and here and Professor Varghese

00:04:11

I met - he asked me to meet Professor Varghese,

00:04:15

HoD - Head of Department of Civil Engineering.

00:04:17

He - I met him, he said: see actually we didn't want any structural engineering.

00:04:22

Right.

00:04:22

That is why I didn't call, then I said this and - this is

00:04:28

then ok, no problem you will be called for interview.

00:04:31

Yeah.

00:04:32

Then interview call came,

00:04:34

I attended the interview. And that is history (laughs).

00:04:37

Interview was held,

00:04:39

Professor B. Sengupto was the chairman - director - at that time.

00:04:42

And fortunately for me, an expert is Director of SERC

00:04:47

Professor G. S. Ramaswamy.

00:04:50

He has specialized in shells.

00:04:52

Right.

00:04:52

My M.Sc. thesis was also in shells.

00:04:55

That way, whatever questions he asked I answered properly.

00:04:59

Right.

00:05:01

Therefore, he was impressed and I was selected for the lecturer course. Right.

00:05:06

I joined in September 1964. 64.

00:05:11

Yeah. And other technical teacher-trainees in IIT are Professor Ninan Kurian.

00:05:16

Correct.

00:05:17

He is my classmate in Civil Engineering

00:05:19

Professor V. Radhakrishnan.

00:05:20

Right.

00:05:20

Mechanical. Yeah. He is from our own college, same batch. You are right.

00:05:24

Professor P. K. Philip

00:05:26

like that we joined here. Right.

00:05:29

So, I really appreciate and admire the

00:05:34

candid facts of those days you've stated.

00:05:38

So, I would say the same factors could prevail today as it was there

00:05:43

which is also a very good reason for anyone not to lose heart

00:05:47

because I would therefore interpret that

00:05:51

you set your heart on something, you achieved it.

00:05:54

So, that’s wonderful... As I see, you have done your

00:05:59

Ph.D. in 1973 in Structures, again.

00:06:03

Ah - Yeah Then, I have a peculiar experience in the sense

00:06:07

I was in Civil Engineering Department for 14 years. Right.

00:06:10

Then with Ocean Engineering Department, 19 years.

00:06:13

Right. That way, first 14 years I will tell about my experience in Yeah.

00:06:17

Civil Engineering.

00:06:20

At that time, IIT had agreement with the West German government for

00:06:28

Sci- Collaboration. Yeah, yeah Scientific collaboration.

00:06:31

And Civil Engineering was alerted a little late

00:06:35

whereas, the other departments will - ahead Yeah.

00:06:39

in the Civil Engineering Department also

00:06:41

there, only two branches were accepted-

00:06:44

Structural Engineering and - Right. -Hydraulics.

00:06:46

Right. Hydraulics was given preference because one professor Rouvé was there.

00:06:50

Right.

00:06:51

And Structural Engineering, we were there. At the time, only 3 -

00:06:56

Ah, Professor Varghese was the Head of the Department. He was a

00:06:58

permanent head of the department, not by rotation. Right.

00:07:01

He was appointed as a - Right. -Head of the department.

00:07:05

and then he planned in such a way that

00:07:09

there should not be competition between the teachers. Right.

00:07:12

Therefore, he identified each area for each

00:07:15

so that no competition between people.

00:07:17

In that way, Professor Radhakrishnan - R. Radhakrishnan - Civil Engineering

00:07:21

he was asked to ... emphasize on structural dynamics.

00:07:25

Right.

00:07:25

Professor T. P. Ganesan was asked to do experimental stress analysis.

00:07:30

I am the third lecturer.

00:07:31

I was asked to do on steel structures.

00:07:33

Right.

00:07:33

He said there - there is lot of scope for steel structures,

00:07:37

nobody is doing on steel structures.

00:07:39

Yeah, it’s very interesting because I really want to highlight the fact

00:07:44

that you were (...) well established or - by those - by today’s standards

00:07:49

a well established Department of Civil Engineering

00:07:52

and then you came to Ocean Engineering

00:07:54

which was absolutely nascent or virtually non-existent.

00:08:00

So, I would like you to bring out what were the challenges that

00:08:04

you encountered, and which I know as your colleague later,

00:08:08

that you successfully overcame.

00:08:10

The transaction had happened like this The way you planned. Yeah.

00:08:14

In IIT - in Civil Engineering Department -

00:08:20

in IIT many people applied for the Alexander von Humboldt Foundation. Correct.

00:08:24

I also applied. Right - which you got. And I got selected.

00:08:26

Yes.

00:08:27

1977. Yeah.

00:08:30

I joined. I went to Germany. Germany, yeah.

00:08:33

Berlin, yeah

00:08:35

At that time, The Government of India wanted to start 5 centres, one centre each in IIT. Right. IITs.

00:08:42

Right. IIT Madras was asked to do on Ocean - Ocean Engineering,

00:08:46

IIT Bombay was asked to do on Resources Engineering. Right.

00:08:50

IIT Kharagpur was asked to do Cryogenic.

00:08:53

And IIT Madr- ... Delhi was asked to energy and IIT Kanpur, something else. Alright.

00:09:00

That way we were hired to Ocean. IIT was started, no,

00:09:04

IIT Ocean Engineering was started.

00:09:06

Centre. With a 150 crores Yeah.

00:09:09

For 5 years. Yeah.

00:09:11

And they brought Professor Mitra from IIT Kharagpur. Kharagpur.

00:09:15

who was the head of Naval Architecture there. Yeah.

00:09:18

He was the first head of - Yeah he is the father figure of IIT Kharagpur also

00:09:22

because he was the first naval architect I think in India coming from UK

00:09:26

And with his [inaudible] experience, he planned properly. Yeah.

00:09:29

He was the first Head of Ocean Engineering. Yeah, Yeah, Yeah.

00:09:32

Then when I was in Germany itself

00:09:34

the advertisement came for professor post. Yeah yeah.

00:09:38

Already Civil Engineering I was assistant professor.

00:09:40

Right. With a senior and all this...

00:09:42

then I applied from there because

00:09:44

I had training in - in- Hindustan Shipyard for ship structures

00:09:49

and there also I have gone for some 3 months with one professor

00:09:56

... in [inaudible] another professor. Right, yeah.

00:09:59

In that way all this is - that way, I was selected

00:10:02

for professor post in Ocean Engineering.

00:10:04

Not [inaudible] no.

00:10:06

No, [inaudible] is not. Yeah.

00:10:08

He is a professor of structural - steel structures - ship structures, good fellow. Ship structures ok.

00:10:13

Then I joined as professor there.

00:10:16

Yes.

00:10:16

And ... stayed in Civil Engineering.

00:10:19

Alright. Because Ocean Engineering building was not there. Yes

00:10:21

Then, there was given a few rooms. Professor Mitra was there,

00:10:25

myself, Professor Raju. Right.

00:10:27

He is the senior to me.

00:10:29

Yes.

00:10:29

We are appointed on the same day because I joined later.

00:10:33

I was junior to him. In that way we

00:10:37

started Ocean Engineering centre. The department, yeah.

00:10:39

Initially Professor Mitra planned everything properly

00:10:42

and we were very lucky to get German aid for Ocean Engineering centre also.

00:10:48

Right.

00:10:49

That is why we are in a, such a very good stage.

00:10:51

Yes, I just want to touch upon some aspects of that

00:10:55

because I came in the early '80s and we were colleagues.

00:10:58

Of course, you were already the professor there

00:11:00

and the amazing thing was this was a department

00:11:05

which was beautifully planned with facilities even before starting the

00:11:09

academic programmes or even the research programmes.

00:11:13

So, the creation of the wave basin was a challenge

00:11:16

or was something we could not have dreamt of

00:11:20

and today, historically I would say we have evolved.

00:11:24

Now, I would like you to touch upon the challenges that we faced

00:11:28

in having created the facilities - they were not so fulfilled in those days -

00:11:33

and how we resolved it, how that path of growth

00:11:38

from those days, late '70s to now,

00:11:42

how will you put it on the track?

00:11:44

... leaving alone the details, Yeah.

00:11:48

In Germany, it was given to Ocean Engineering researchers. Right.

00:11:51

After Professor Mitra retired, Professor

00:11:55

Raju was the head of the Ocean Engineering Department for 3 years. Right.

00:12:00

At that time, Professor Indiresan was the director. Director.

00:12:05

This German programme aid came towards '83, '84

00:12:11

that is, towards end of Professor Raju’s time. Time, yeah.

00:12:18

Then Professor Raju ... requested Professor Indiresan,

00:12:24

the Director, that he will continue

00:12:27

as the coordinator - for the German programme. Right. Right.

00:12:32

And Professor Raju and Professor Indiresan were - at very good terms. Right - Yes.

00:12:38

But I objected to that.

00:12:40

I fought tooth and nail with Director Indiresan. Yeah.

00:12:44

And told him that this is not a usual project

00:12:48

it was a project given by the German government to the institute. Yeah.

00:12:51

And it should be yeah done through the department Head only. Right.

00:12:56

It is not an individual project. Right.

00:12:58

Because no individual has submitted this project. Right.

00:13:01

That way, he didn't want to take any decision. Right.

00:13:05

Who? Professor Indiresan. He is- Indiresan, yeah.

00:13:09

That way he hesitated because my

00:13:11

argument was very strong, he could not say no. Right.

00:13:14

And you were talking for the welfare of the balanced

00:13:17

growth of the department. And he hesitated

00:13:19

and wrote action can be taken by Professor Sreekanth.

00:13:23

Right. Next Director. Right.

00:13:24

After Professor Sreekanth - Srinath. Srinath, yes.

00:13:27

Professor Srinath has come. I met him. Yeah.

00:13:29

I told him all these things. Yes.

00:13:31

Then I came and that way the head of department only has to

00:13:35

look after that, he told. Right.

00:13:37

At that time fortunately one German -

00:13:42

[Inaudible] was also there. Right, yeah.

00:13:44

In that way he was ... good terms with all the faculty and all this.

00:13:49

Yeah.

00:13:49

In that way, things went off.

00:13:51

Yeah.

00:13:51

And he planned for this multi-element wavemaker

00:13:55

there was objections for multi-element wavemaker. Right.

00:13:58

from some people. Yeah.

00:13:59

[Inaudible] we overcome that

00:14:01

and I also went with him to Danish Institute.

00:14:05

Yes, Danish Hydraulic Institute, yeah.

00:14:08

Who were the fabricators and installations - Alright. - for all these things

00:14:11

Everything was done properly. Exactly.

00:14:13

So, to put it back in a nutshell

00:14:17

what I would say is that that very positive intervention

00:14:21

has made the department what it is today after more than

00:14:25

35, 38 years

00:14:27

and another peculiar aspect those days was:

00:14:32

we had the facilities, we did not have the experience.

00:14:36

And let us say, we did not have the confidence

00:14:39

of how to utilise these facilities for research, for academics,

00:14:44

I think it's very important to highlight how we overcame that.

00:14:48

For giving - Yeah.

00:14:49

At the time one Professor Krupa - Yes. - Technical University, Berlin.

00:14:54

Yes, I was with him also there, yeah. And Professor Kraus

00:14:56

were also experts for us and Professor Chandy. Yeah.

00:15:00

Was called to... give us training there for some time, On the DAAD fellowship there.

00:15:07

so that you can use the facilities. Yeah.

00:15:11

And all these things. In that way, who else will... like that I have also gone-

00:15:15

few people were given. Yeah. Sundar was there. Yes.

00:15:18

Training and in that way it was not -

00:15:20

and from Danish Hydraulic Institute also some people came there. Yes.

00:15:24

Yes. Another thing is I had a Indo-German project with one Professor Kuriacose.

00:15:29

Ok right. And the multi-leg articulated tower. Towers.

00:15:34

One person also came here. In that way the transition was not bad. Right right.

00:15:39

Now I think that was a very critical decision that gave us a lot of self-confidence

00:15:45

because if I remember right. we used to search for a global expert

00:15:49

to help us in experimental hydrodynamics

00:15:51

we finally learnt that we are the experts ourselves. We grew the hard way.

00:15:55

You know there also I had a little bit fight. Yeah.

00:16:02

This Professor Krupa, German. Yeah.

00:16:06

I was in Germany, I know the system. Yeah.

00:16:08

There is what is called über Ingenieur. Yes.

00:16:11

In that way, all the work will be decided by him. Ok.

00:16:15

In the work shop, in the laboratory who should do what, all these things.

00:16:19

Right. That way they wanted to have a same system

00:16:22

over engineer, one over engineer should be here

00:16:25

and they met Professor Srinath and all this is -

00:16:29

I told him this over engineer will not work here. Right.

00:16:33

Here it is a democratic country.

00:16:34

Yes, He cannot act - our head of the department also cannot overrule -

00:16:40

Oh ok. - over engineer. That way I very, very much fought with him.

00:16:45

Yeah. That over engineer need not be there. Yes

00:16:47

The what is it called - wave time manager they called. Right right.

00:16:51

There need not be any wave time manager, everybody will continue like this Yeah.

00:16:56

and all will be having freedom to work, whatever it is. Yes yes.

00:16:59

The facilities and the expertise can be shared between people

00:17:02

and all this I have to struggle harder to argue with Professor Srinath.

00:17:09

Right.

00:17:09

Finally, he agreed. Yes.

00:17:10

you know I want to recall the genesis of Naval Architecture

00:17:17

in our department because

00:17:20

you know, I mean you should share with us

00:17:22

how we... So, I was in Civil Engineering at that time. Naval Architecture was there

00:17:26

even in Naval Architecture, in Civil Engineering Department

00:17:30

Naval Architecture was not given any proper- Yeah.

00:17:33

figure and it was consider as a second grade department.

00:17:37

I think we started as a conversion course for the

00:17:41

Cochin Shipyard - Engineers, Cochin Shipyard and all.

00:17:43

giving them a degree in Naval Architecture. Yes. Degree people with.

00:17:46

Our some people came here and there. Right.

00:17:48

Right that was the beginning. That way it was going on, yes.

00:17:51

Then when the Ocean Engineering Centre came, Yeah.

00:17:54

Still they did not want to be here yeah initially. Right.

00:17:58

They had academically, administratively, very difficult problems

00:18:02

that way Professor Indiresan appointed

00:18:05

Yeah Professor Right.

00:18:07

Very senior naval architect to look after the -

00:18:10

Yeah Ocean Engineering, no, Naval Architecture section. Yes.

00:18:14

And he was - He was from Garden Reach Calcutta right.

00:18:17

He was sitting next to our - Yes yes.

00:18:19

He was there for some time, but still the problems were not solved. Yeah.

00:18:24

And these people fought with him and all such things. Yeah.

00:18:27

I think we had just 3 colleagues in those days

00:18:29

to teach the entire Naval Architecture programme.

00:18:32

And Ship Structures I used to take. Yeah.

00:18:34

And these people ... sometimes will take and will not take

00:18:40

in that way I got help from Swaminathan of Mathematics Department. Mathematics, yeah.

00:18:43

For wave - Seakeeping and. yes yes.

00:18:46

That way smoothly I took. Yeah Then, Ghosh Roy left. Yeah.

00:18:51

Then Professor Indiresan said I will be looking after administratively

00:18:54

for the Naval Architecture and ... Naval Architecture

00:18:59

In toto has come to Ocean Engineering. Yes.

00:19:01

In that way I also consoled Sambandan. Yeah.

00:19:06

Who did M.Sc. with me and all this. I had good terms with him. Yeah.

00:19:09

Of course, with also.

00:19:11

And he was made co-project coordinators for two or three projects. Yeah.

00:19:16

So, that his importance need not be - left out. Yes. Yes.

00:19:19

In that way they became smooth.

00:19:21

Yeah And it has become a part of the Ocean Engineering Right.

00:19:25

Centre as B.Tech. Naval Architecture came

00:19:28

and now I think it is called B.Tech. Naval Architecture

00:19:30

and Ocean Engineering. Ocean Engineering, which is

00:19:32

more to - that way it has merged totally with Ocean Engineering. Yes.

00:19:35

So, that's where I would say that your contribution - key

00:19:38

contribution - was bringing together

00:19:41

what was a Naval Architecture division under ocean - under Civil Engineering

00:19:46

back into the mainstream of Ocean Engineering

00:19:48

and today, of course, we are all harmoniously working

00:19:51

so. Cold War was. Yes.

00:19:52

stopped. Yes, exactly that is what I am saying.

00:19:55

So, I admire I want to bring it to record the vision that you had

00:19:59

in bringing, because although Ocean Engineering

00:20:02

is a multidisciplinary department

00:20:04

we had our own problems and issues in this coexistence

00:20:08

and growth and everything.

00:20:09

Now, I want to touch upon some other aspects of those days

00:20:13

when Naval Architecture again was at that nascent stage,

00:20:19

I know that in your career while you were a

00:20:22

full fledged faculty and professor

00:20:24

you chose to go to the industry voluntarily

00:20:29

and spend 6 months, please tell us of that incident and experience.

00:20:35

See, I was asked to do on steel structures. Yeah.

00:20:41

That way I did.

00:20:42

Professor Varghese said steel structures here nobody else is doing anywhere

00:20:46

that way it will be very good if you go to

00:20:48

Bharath Heavy Plates you know HPVP. Yeah.

00:20:51

They are making this. Pressure vessels.

00:20:53

Yeah. Pressure vessels, spherical tanks

00:20:55

and all these. are making this for sometime there

00:20:57

and also Hindustan Shipyard where they are

00:20:59

fabricating ships. Ships.

00:21:01

In that way 6 months yeah he asked me to go there, yeah I went there and

00:21:05

I had a good fortune to have friendship with

00:21:08

Sambandan, Sambandan was there at that time. Right.

00:21:10

And other two. Yeah.

00:21:12

Misra and. yes other such people I stayed with them.

00:21:15

Yeah. I studied very well. Yeah.

00:21:17

How the structure is fabricated and how

00:21:20

that ship structure is nothing but a structure like any other.

00:21:25

Absolutely. But the loads are different.

00:21:27

Yeah. Loads are different by end sea loads and other such thing.

00:21:31

You just said that ship structure is nothing but just like any other structure

00:21:34

now this is one thing I love about the way you were teaching

00:21:38

that you could simplify many otherwise difficult concepts.

00:21:44

I remember being a student in your own class,

00:21:47

that you always made a subject look very easy.

00:21:50

To me that is a very important hallmark of a teacher.

00:21:54

So can you please narrate any incidents that may occur to your mind,

00:21:58

your interaction with the students,

00:22:00

did you always have a smooth time with them, did they really challenge you,

00:22:05

did - is there some incidents?

00:22:07

Yeah. Positive or whichever way.

00:22:10

See, after my retirement I was in Nagercoil. Right.

00:22:14

And there is in Tirunelveli some colleges are there. Yeah.

00:22:18

They called me for giving some lecture one day. Right.

00:22:21

And there a principal - no there principal is - was

00:22:27

He - he has done Ph.D. in Hydraulics. Right.

00:22:31

That's all I knew. Yeah. Of course,

00:22:33

good friends and all. Then when he addressed the students, he told

00:22:37

I taught him the Fortran language.

00:22:41

When I was in civil engineering, I took computer programming for the beginning. Yeah yeah.

00:22:46

He told, I know I knew computer programming only through him

00:22:50

and he took us Fortran language, and that was surprise to me.

00:22:55

I see he recalled the fact that you were there, teaching them. Yeah

00:22:59

And even our - Heritage - our CEO. Yeah.

00:23:04

he is, Kumararan yes yes. And he has written a email to me yeah.

00:23:10

That I attended your class on plates and cells.

00:23:13

Kumararan I mean

00:23:17

Yeah. Which was good and he has took.

00:23:19

Yeah, he was in the early '80s there. I met him. Yes yes.

00:23:22

Yes he was our student in the early '80s.

00:23:24

So, he is been here enjoying this job yeah

00:23:27

Like that some...

00:23:28

So, I again recalled because when I came to the department in '82

00:23:33

and joined the faculty, the early days.

00:23:36

'82 I was [inaudible]... Yes yes.

00:23:39

So, the early days were the days where you could hardly find

00:23:42

any vehicles in front of the department.

00:23:45

I remember seeing a Fiat car in front of the department,

00:23:48

we professors used to proudly owned our cycles and use them

00:23:53

for that matter, Professor Indiresan himself was on the cycle.

00:23:56

So, days have changed.

00:23:58

So, I would like you to touch upon the nostalgic aspects of those days

00:24:03

how - how were the camaraderie between colleagues,

00:24:07

you remember we used to have a tea room there.

00:24:09

Yes yes.

00:24:10

So, the, the - See about the vehicles: I used to come to IIT by my cycle

00:24:16

then towards the end I had this Luna. You had a Luna of TVS yes.

00:24:21

Then 1 or 2 years before my retirement I You had a Maruti, I know, I know.

00:24:25

Still I have in my house. Yes.

00:24:29

Then we - I always - we wanted to be together. Yeah.

00:24:33

That is why we started a coffee club. That's what I am saying, yeah.

00:24:36

And I - I know many people, they will bring the coffee (...)

00:24:42

professor or HOD or whatever it is.

00:24:44

He will bring there and Yes.

00:24:47

But I will never do that yeah I went there and

00:24:51

I will eat. That way I used to meet everybody. Yes.

00:24:55

Now the coffee club was a very important place to meet.

00:24:57

In fact, we even used to discuss in the faculty meetings

00:25:01

the issues of the coffee club, you know. I also used to take charge of that.

00:25:05

So, what I mean is it was a good fraternity of the

00:25:08

department in those days, yeah. And yes, faculty also went for one outing

00:25:12

Professor Indiresan also came. Absolutely. See, after Director post, Yeah.

00:25:15

That also ... incident ... after director post. [Inaudible] Yeah, yeah.

00:25:20

He did not want to go to IIT Delhi. Delhi.

00:25:23

Or something ...

00:25:23

... I don't know Yeah.

00:25:24

but he wanted to continue in IIT Madras. Yeah, yeah.

00:25:29

Being a Electrical Engineering professor

00:25:31

he was having some problem with Electrical Department. Right.

00:25:34

That way Ocean Engineering. Yeah accepted him to be here.

00:25:37

Yeah. Because he had that ocean energy project.

00:25:40

Right. He was - he gave ideas to Professor Raju and Professor Ravindran

00:25:44

that way all the 3 were, in that way I, I was called by the - the - then deans.

00:25:52

Yeah.

00:25:52

Professor Prithviraj and Professor Kuriakose. Kuriakose yeah.

00:25:56

Yeah. And they had, not they - somebody had some bad

00:26:01

thinking that I will not accept Professor Indiresan.

00:26:03

Oh, oh, ok. I will being ... I being head and all that. I told them, I will never do such things.

00:26:09

Right. He is always welcome, you forget about all that then. Yes.

00:26:12

That way he came Yeah to Ocean Engineering.

00:26:14

And when he left,

00:26:16

he thanked me and he said: you cooperated with me always.

00:26:19

Absolutely, I remember the days when he was our colleague also, yes

00:26:23

yeah And if he was given full freedom to continue the Ocean Energy Project. Right.

00:26:28

All these things. Yes.

00:26:29

Yeah, where he also had a stint in Germany for a couple of years

00:26:32

I think. I have met him there.

00:26:35

Now coming back to our subject area and ocean engineering today.

00:26:42

I just wanted you to share on a more global basis

00:26:47

or more on a national basis

00:26:50

that those days we all used to go abroad

00:26:53

for these collaborative programmes and

00:26:56

short and long-term stints there.

00:26:59

I always remember China used to send huge numbers of their

00:27:04

researchers to the West - to the Euro - to Europe, to Germany

00:27:08

and they were received in a big way.

00:27:10

And today after about almost 40 years

00:27:13

we have seen the transition of China which is a fact.

00:27:17

Now as Ocean Engineering Department

00:27:21

and with our interaction with the industry

00:27:24

how do you think we can take a leaf - I am not trying to say

00:27:28

we should copy China - say, how do we take a leaf out of this -

00:27:31

what kind of advice would you give,

00:27:34

that - how do we intensify the benefit of these

00:27:40

abroad stints where we get back something,

00:27:44

how do you think if we had an ideal scenario

00:27:47

that this could transform our industry into a

00:27:50

larger entity than what it is today.

00:27:53

See first of all, the industry should have an open mind to come to us. Right.

00:27:58

They came. See, even now I will not say no. They have come. For example,

00:28:04

Defence. Ministry of Defence for that ... just to give an example. Yeah.

00:28:10

These INS Vikrant was there.

00:28:14

Ski jump. They had the - they had the normal planes. Yes.

00:28:18

When they got a Harrier aircraft. Right.

00:28:21

It is heavy. Yes and it should have ... longer runway. Larger runway, right.

00:28:25

Larger runway is not possible therefore, they wanted to give a ramp. Ski jump.

00:28:29

That way they asked to descend the jump - ramp

00:28:33

so that the turbulence should not come. Yeah.

00:28:36

That project was given to us. Right.

00:28:39

We did it successfully with Professor Chandy

00:28:42

and [inaudible] was the Director General of Naval Designs. He came there

00:28:46

and - and the Chief of Staff also visited.

00:28:51

Chief of Staff also visited and they were very happy with the - Right, right.

00:28:55

similarly, this ISRO. Yeah.

00:28:57

In fact, sir, I would like to touch upon or stress on the fact that that Vikrant project

00:29:02

the creation of the ski jump was a wonderful

00:29:05

state-of-the-art creation by this department. See, I am not a

00:29:09

expert on this turbulence. Yeah.

00:29:11

But I saw. Yeah. Professor P. S. Srinivasan was there in the fluid mechanics. Yeah.

00:29:17

At certain stage, this- that wooden pieces which was - such - vibrate. Right yes.

00:29:26

[Inaudible]

00:29:27

That way they found out some such things and all these things.

00:29:31

See, it is a beautiful thing that somehow the navy had the confidence

00:29:35

to go by the tests and investigations that the department

00:29:40

conducted and implemented. That only now they are having that - Right, alright.

00:29:44

Naval Research Board or something. Naval Research Board. Yeah, yeah.

00:29:50

So, I think that's a nice example you have given

00:29:52

which is in a way an answer to the question I asked earlier

00:29:56

that we - do you agree that we need to be doing this with much more intensity

00:29:59

because nothing builds like success, nothing succeeds like success

00:30:05

you know? Yeah. Similarly there is ... ISRO. Yeah.

00:30:09

See this PSLV they are sending. Right. And we saw... capsule falls. Yeah.

00:30:13

That is left there itself.

00:30:14

They wanted to see when the capsule falls what will be- Recoverable. -the vibrations

00:30:18

Right. Whether it is got - got - spoilt or it will be floating. Yeah.

00:30:22

That way we did experiment with Bhattacharya.

00:30:25

Yeah, I know, the reentry. Yeah, yeah, yeah, yeah. Yes.

00:30:28

We two also did some software - We have done. And inland waterway. We have done, yes.

00:30:32

Yes. I do not know. See, the faculty should go

00:30:36

far away to ask. Yeah. Now I see in the newspaper; as a retired person

00:30:40

I am reading: inland waterway is very very important. Some fellows are telling. Yes.

00:30:45

That way we have to go. See, we are having expertise,

00:30:48

we will be able to solve many problems, we have to tell. Yes.

00:30:51

But if teachers are in their ivory towers, nobody will come. Yes.

00:30:57

I think I'll be happy to state here now

00:31:00

based on the foundations that our predecessors

00:31:02

have laid including you of course.

00:31:04

Not like that... Today our interaction with the industry is quite intense.

00:31:09

It should be.

00:31:10

So, yeah of course,

00:31:12

if you visit the department you will see the amount of activity

00:31:14

we have with the shipyards,

00:31:16

national, international, yeah. And we should tell them: see we are having these multi-element wave maker, Yeah.

00:31:20

Using this we can do so many things. Right.

00:31:22

For example, Naval Physical Oceanographic Laboratory.

00:31:25

Laboratories yes. Underwater cable... it's all very very

00:31:28

important defence-oriented projects. Right.

00:31:30

On the look, it will be looking nothing. Right.

00:31:32

But these are all very useful. Yeah.

00:31:34

That way what will be the configuration of the cable... Right.

00:31:37

And vibration will take place... Yes.

00:31:40

Or what should be the force...

00:31:41

all such things we need some projects like that Yeah That is ...

00:31:46

we - people are going for - and Orissa and that port. Right.

00:31:52

Gopalpur port. Yes. Gopalpur port, from there all the way he came. Yeah.

00:31:55

Even now the approach trestle is constructed there... with our design . Absolutely, absolutely.

00:31:59

It is standing and Sundaravadivelu is still continuing as -

00:32:02

And Sundar and - Yes, he is the expert on ports and harbour structures

00:32:06

and Sundar and company - Another, another - - they are the experts on break waters.

00:32:09

which I will say my contribution is

00:32:11

I started this user-oriented M.Tech. program. Absolutely.

00:32:15

Yeah. For port engineers. Money was given by them.

00:32:18

Right. That is according to me it is the first-user oriented in IIT

00:32:21

Madras- program that you started.

00:32:23

They paid money. Yeah.

00:32:24

And their engineers came here and our syllabus was slightly modified

00:32:30

or electives are added which will be useful to them. Yes.

00:32:32

In that way, user-oriented...

00:32:34

and that is the starting point for the present user-oriented you are having

00:32:39

2 or 3 petroleum engineering - With L and T. L and T. L and T. All such things, yes.

00:32:44

we also have a program with NIOT.

00:32:47

User-oriented program for M.Tech. in Ocean Technology. Yeah.

00:32:51

Yeah, that is true.

00:32:52

So, I think people today should remember that

00:32:57

our predecessors have done a lot of wonderful foundation job

00:33:00

which anybody would have done,

00:33:02

but the important thing is, this kind of visionary,

00:33:05

No visionary - steps -

00:33:06

They should continue the project without any selfishness. Yes, absolutely, yes.

00:33:09

During my Headship. Yeah, I never took a single research student for myself,

00:33:15

because people should not say being Head, he has taken by all these things. Yes.

00:33:18

Yes. In that way for 4 years it is a webworm.

00:33:22

I would recall this personally in the case of many of our colleagues

00:33:25

where you saw to it that they are taking and guiding and

00:33:30

you know, producing the - or at least guiding for the Ph.D.s

00:33:33

in a time-bound fashion because I remember your cautionary statement always

00:33:36

that if you don't take care of yourself -

00:33:39

And you used to provide the most important impetus for that. Yeah.

00:33:43

Looking at - looking back at all those things

00:33:46

I just wanted to ask one more thing,

00:33:50

would you like to have a message to our colleagues today? No,

00:33:54

Please don't say no, because I would like to say, No-

00:33:57

Messages should be always given and old people will give

00:34:00

No, I would like to receive it with pleasure. Yeah.

00:34:06

See what I get - get an impression is nowadays many people are selfish. Yeah.

00:34:11

They feel they want to improve their own biodata

00:34:15

without bothering about the progress of the departments. Right.

00:34:19

That should be Yes.

00:34:21

And we should collaboratively - unity should be there.

00:34:26

Yes. Or cooperation should be there. You should have Right.

00:34:29

another person who is in another area, whatever it is. Right.

00:34:32

And do some projects; we have to go out of the way

00:34:34

and inform the ministry, no, departments

00:34:38

see we are capable of doing such and such things. Right.

00:34:41

Right. Please come. Right, yeah.

00:34:43

So, that would be the key to success, the key to collective growth, yes.

00:34:48

See, Team effort. Yeah For example,

00:34:51

yes, this is a, this - MRPS, MRPS something is there, no?

00:34:58

Right.

00:35:00

They are exporting. Yes.

00:35:02

They made, but unfortunately it is not satisfying the

00:35:08

international standard because there is a small gap. Yeah, yeah.

00:35:13

Myself and ... Chandy Yeah.

00:35:16

Visited there.

00:35:18

and they are applying the pressure - liquid pressure - everything, everything is same,

00:35:22

but when the - and temperature is there volcanizing.

00:35:25

At the temperature, it - it expands.

00:35:28

Yes. Therefore, the metal comes out. Okay.

00:35:31

That way we gave a solution that - this should not be done like that.

00:35:36

That way they did and that way the projection was not there.

00:35:39

Nothing to do with Ocean Engineering. Yeah.

00:35:41

But still. Yeah. Because of the experience in the - see,

00:35:45

Chandy did for this integrity monitoring using ... artificial... Of the structures.

00:35:51

Yes. Neural network. Yes.

00:35:52

All those things has helped us to -

00:35:55

and we got a project from ONGC. Right.

00:35:58

For the- Integrity monitoring of the structures. Artificial neural network

00:36:01

for integrity monitoring of structures. Right. Monitoring of structures.

00:36:03

We did an experiment. Yeah. It was quite good, we made a jacket tower.

00:36:07

Yeah.

00:36:09

Measured the ... dynamic characteristics. We cut it. Yes.

00:36:13

Damage, yeah. Then there the it can be shown, see.

00:36:16

And this can be identified by our ANN or software like that.

00:36:20

Yes, yes. We have to convince them. Right.

00:36:23

Because managing directors are not experts. Experts.

00:36:27

in, in that way

00:36:28

they can see this, oh, these fellows

00:36:30

they have some ideas, etcetera, they should know. Yeah,

00:36:33

I ... think that is a very important hallmark of our department

00:36:39

because we have been interdisciplinary. Because we have to come down. Yes,

00:36:41

We have been interdisciplinary for example, just to briefly share

00:36:45

I am doing a work for the defence related to the

00:36:48

ordinance factory, the infantry combat vehicles.

00:36:50

Because they are going to be amphibious.

00:36:53

So, as you said it is not a ship. Yes.

00:36:55

But then the moment it's in water - Land also it will come and - Yes.

00:36:58

So, you know, with that kind of a open mindset

00:37:02

we have been able to collaborate

00:37:03

very effectively with the industry. And they are the apt people for designing that hydrocoil.

00:37:06

Yes.

00:37:07

Nowhere else; except IIT Kharagpur, nobody else will do.

00:37:10

Exactly. Hydrocoil designing.

00:37:11

Exactly yeah.

00:37:13

Structurally, you can take the help of our people. Right.

00:37:15

See at the time ... there was a proposal to

00:37:19

buy submersible by the government.

00:37:22

Central government. Right, right. There were some meetings

00:37:24

I was also asked to attend there by some people

00:37:27

but fortunately the cost was very much. Enormous. The secretaries

00:37:32

decided not to buy yeah that way submersible ...

00:37:35

bought. Could have been bought, yeah.

00:37:37

...I should not forget to touch upon another aspect. Yes.

00:37:41

Because we were at a time not having all the experts for all the subjects

00:37:46

because of the highly interdisciplinary nature

00:37:50

of the syllabus of our programmes.

00:37:52

And I remember how you led from the front by taking on courses

00:37:59

in the undergraduate level and with that example

00:38:04

you saw to it that our colleagues also take on courses.

00:38:08

We had courses like mechanical handling systems.

00:38:13

That is exactly what I wanted you to touch upon

00:38:15

you know just for the benefit of the- See, mechanical handling department I had a good rapport.

00:38:19

With Professor Parameshwar no. Because I took there - what the design of the crane -

00:38:23

Yeah.

00:38:25

Which ... it was a M.Tech. course, two courses are there.

00:38:29

Mechanical Handling 1 and 2, I took. I was taking that

00:38:32

That way, I can ask them to - shipyards and all such things Two courses for this. See, Parameswaran was very good that way

00:38:39

he did. Right. And we got some projects, Chitram crane company Cranes.

00:38:45

and all these things. Who set up the crane in Cochin shipyard, yeah.

00:38:48

And Professor Parameswaran used to design that gear and all this. Right.

00:38:52

The structural things. Right. I used to do and

00:38:54

fabricated and it was - So, you know it was a.

00:38:59

- Mechanical handling Yeah.

00:39:01

For only marine, of course, Vijayan helped afterwards I do not know

00:39:05

our people themselves - Yeah we had. We had - had studied and

00:39:08

Mechanical Engineers also joining us. Yes. And ship structures, I was taking.

00:39:12

Then Bhattacharya studied, Right. And we were taking. Like that

00:39:15

each man prepared themselves to - That is what I am saying, so the

00:39:20

the most important aspect was that we had the courage

00:39:25

and we did the hard work and we solved our problems

00:39:28

and we gained in confidence.

00:39:30

See. Yeah. Now, if you see none of us are experts on anything.

00:39:35

You take Professor - Sundaravadivelu too

00:39:39

now he is doing in coastal structures, ship structures,

00:39:43

not ship structures, boat structures, etcetera. Right.

00:39:46

By experience, experience, experience he gained. Yeah.

00:39:49

Structures are structures. Yes. Then

00:39:50

how the loads come. Yes. That way, similarly yourself.

00:39:54

Yes.

00:39:55

Or Sundar. Yes. Like that, like that, like that, we study and bring it.

00:40:00

So, I think that is very important. That is - that has made a good difference in our approach

00:40:05

to handling our problems taking our teaching. We could have easily said, no sir exactly this is not our

00:40:10

area, we cannot run - Yes.

00:40:13

or look for another colleague to be hired. Yeah. To get M.Tech. Ocean Engineering,

00:40:16

We have to fight like hell at that time. Yeah.

00:40:19

To start M.Tech course engineering. See, there was opposition.

00:40:23

Some unwanted opposition: a centre cannot start a M.Tech course.

00:40:28

Right. It has unfortunately our name was called - Ocean Engineering Centre. Centre.

00:40:33

Right.

00:40:33

In that way I met Professor M. C. Gupta, Dean of

00:40:37

Academic Research. Right. He is that - etcetera, etcetera, etcetera,

00:40:40

everybody helped us. Correct.

00:40:42

Yeah, I think we have -

00:40:44

Only reason why Ocean Engineering Centre is

00:40:47

thriving now is we had this educational programme -

00:40:51

all other 4 IITs, it's went down. Yeah.

00:40:55

Yeah. Resource Centre, in IIT Bombay Right.

00:40:57

Nothing is there, Right. Except maybe 1 or 2.

00:41:00

But here we are having a whole - entire department by

00:41:04

that 150 crores, Yeah, it is a full-fledged department, yes. Which was

00:41:07

started by Nayudamma Committee. Right, right.

00:41:09

Then cryogenic. Right. Cryogenic is there,

00:41:12

but not as a department and all these things. Exactly.

00:41:16

Because we had this academic program, we were successful. Absolutely.

00:41:21

and I think we had the vision and open mind. And how we have spread. Yes.

00:41:24

Yes. ... some petroleum engineering, Yeah.

00:41:27

that, this, that, etcetera ... many things.

00:41:28

Yeah, today we are so busy and so full that we don't have the space

00:41:33

and of course, IIT is expanding.

00:41:34

So, we have solutions for going into

00:41:36

more common academic complexes and

00:41:40

you know, spreading out a bit in the institute.

00:41:43

So, I am so happy that...

00:41:46

Ah, then, You could recollect. About other than

00:41:48

academic programme what were the...

00:41:52

I was a warden in Saraswati hostel

00:41:56

that is all normal. Right. But how

00:41:57

some students came sir you helped me lot

00:41:59

and all this, that is all normal.

00:42:01

Then as Engineering Unit, Chairman - that was a

00:42:05

good post. Professor Natarajan was the Director. Yeah.

00:42:09

He gave me a very good appreciation. Yeah.

00:42:11

And all this. Though I opposed

00:42:14

a little earlier when he was not Director. Yeah. There is a - there was a proposal

00:42:19

to have a guest tours for IST.

00:42:22

Indian Society for Technical Education,

00:42:25

which had good rapport with somebody ...

00:42:28

Yeah. They wanted to have a guest house near

00:42:32

some prime location. As a Chairman of Estate we discussed.

00:42:37

And the Senate I opposed tooth and nail. I see,

00:42:41

It was to be within the campus or?

00:42:43

It was to be within the campus. No, I suggested it is very good to have a guest house,

00:42:47

but you have it above the NCC building - NCC building or something

00:42:51

there - You are right. not a independent guest house. IIT is not meant for giving

00:42:55

guest houses, etcetera for others. Right. Right. I told.

00:42:57

Then when I came out from the Senate room, one or two colleagues:

00:43:03

how you can tell like that

00:43:06

to the director?

00:43:07

It was very very good what you told, but it was very dangerous.

00:43:13

Again, again, now that you - it just takes my mind back to some other aspects

00:43:20

I would say you never hesitated to call a spade a spade.

00:43:24

You know - See, after going home - Professor Natarajan called me. Yes

00:43:28

At that time he was not director. Yeah.

00:43:29

He was IST Chairman or something like that. Right.

00:43:32

He told hey, why, how you're giving a space for ICSR,

00:43:37

but you refuse to give for IST. Yeah.

00:43:40

I said ICSR - ah, NIOT. Ok.

00:43:44

How you are giving NIOT space in IIT. Space, but not for IST

00:43:47

Yeah.

00:43:48

Why do you want to compare NIOT,

00:43:51

Government of India is giving a lot of money for the IIT

00:43:53

and the department, IST what they will give?

00:43:55

Yeah. They will come and go.

00:43:57

Chairman will come and go stay there.

00:43:59

Correct. For 2 days and go away. Right.

00:44:00

How can you compare like that? Yeah.

00:44:01

The same Director has given very good appreciation after my...

00:44:06

Which meant you - you had the.

00:44:09

No. Conviction to - to hold to what you felt was right

00:44:13

and it was proven right. That's more important.

00:44:15

See, there is space in the NCC building first floor, second floor,

00:44:18

third floor, we can construct and leave it. Yeah yeah.

00:44:21

And again to put it on record the same NIOT has today blossomed into a huge

00:44:26

institution with who we are very closely interacting. Yes.

00:44:30

Thanks to the very positive attitudes we had with them.

00:44:33

Yeah, again to recount, during your chairmanship of the

00:44:38

engineering I always thought or always observed

00:44:43

that you always went into the details of small things. For example,

00:44:47

in between the main gate. Yeah.

00:44:50

In-gate and out-gate there was this thorny bush. Correct.

00:44:53

Right. Before were they were trying, trying, trying - it was not

00:44:58

it is having a very environmental problem it will never get destroyed.

00:45:02

Exactly it is very pernicious. And it will not allow other plants

00:45:04

to grow. Right.

00:45:05

That way I gave contract and I assigned; it was completely removed

00:45:09

not only there, even near the hostels. Yeah.

00:45:12

And now it is a very good garden. Yeah. In between there

00:45:15

and also now is not to be seen.

00:45:17

Yeah, yeah, of course, it was a recent issue that people even went to court

00:45:22

how IIT could remove it and all, I think we have amicably resolved it.

00:45:26

No it will not allow - Yeah it is a very

00:45:28

pernicious plant - other plants to come. Exactly, exactly

00:45:31

Now, I remember because even those days

00:45:34

you know we have this peculiar problem of

00:45:36

so many banyan trees in this campus

00:45:39

and they would grow invariably with their seeds on buildings

00:45:44

creating crevices.

00:45:46

So, I remember in your time you had a mission

00:45:51

to remove them from all the buildings

00:45:53

because it was ruining the buildings eventually.

00:45:56

Not Yeah, which comes under the - yes, exactly,

00:46:02

so, it's always very important

00:46:06

to look into the minute details which makes a big difference.

00:46:09

See for example, this - Yeah. Right. Speed breaker.

00:46:12

Being a Civil Engineer I went to IRC, courts are there

00:46:16

how it should be ... marked. Laid yeah.

00:46:19

Yeah. I insisted our engineering unit to see that IRC

00:46:23

marking should be done on the ... speed breakers. On the speed breaker yeah.

00:46:28

They done and it was, Yeah yeah yeah yeah.

00:46:30

Previously, it was in a something else, ... laying on something. Yes, I remember, yes

00:46:34

to standardize it was taking a long time, yes.

00:46:37

I think one of the hallmark developments in our country was the

00:46:42

pioneering development that we did with regard to

00:46:45

wave energy in this country particularly with regard to the

00:46:48

oscillating water column and putting up a demonstrator plant at Vizhinjam.

00:46:54

So, if you could please tell us the genesis of that and how it went ahead,

00:46:58

the problems that we faced, how we resolved it, yes. I didn't resolve any problem.

00:47:04

See, wave energy is the brain child of Professor Indiresan.

00:47:09

Indiresan yeah.

00:47:11

It is very layman's approach type.

00:47:14

Yeah. See, when the energy is there, why not we

00:47:17

In that way at that time we had that 4-metre flume.

00:47:21

He took 2 drums.

00:47:24

Yeah. This - and the when the wave passes

00:47:26

it will move up and down. Oscillates, yeah.

00:47:28

And then it will have some ... and like it was bending and all these things. Yeah.

00:47:33

Yeah. That way he was convinced it will be very...

00:47:37

Right.

00:47:37

And there were there were many professors in IIT, not our Ocean. Right.

00:47:42

They said it doesn't satisfy the equation and all.

00:47:46

The energy. Thermal. Yeah.

00:47:49

Equilibrium itself.

00:47:50

Yeah. It doesn't satisfy the laws of thermodynamics, it will be a failure,

00:47:56

they told. And of course, they would have suffered also,

00:47:59

perhaps Professor Indiresan would not have liked it.

00:48:02

Then, then and that way, but; however, we had our Professor Raju

00:48:07

and Professor Ravindran. Right.

00:48:09

Who, when, Ravindran being a mechanical engineer, Yeah.

00:48:12

they were doing a lot.

00:48:15

And we are - as a department, we gave all the support. Right.

00:48:20

Though I never got involved because it is not my area. Right.

00:48:24

It is area of Professor Ravindran and of course, Professor Raju

00:48:27

also, in that way it was going on. Yeah.

00:48:30

And fina- in ... they made a prototype. Right.

00:48:33

On that they got money from the government - central government,

00:48:37

the real problem as I see are ICSR at that time.

00:48:42

It is false, fluctuating. Fluctuating.

00:48:46

Energy. Right.

00:48:48

Therefore, if you take an average it will never be useful.

00:48:51

Ok. It cannot be converted to the

00:48:53

Sustained useful. Sustained useful conversion into energy, right.

00:48:57

... but I see because of that they should not leave. Yeah.

00:49:01

They tried their level-best with the prototype also. Right.

00:49:04

But it was not really successful. Yeah

00:49:07

possibly it was technical, but not commercially successful. Yes. Yeah.

00:49:10

I mean. Yeah. And another thing they wanted to do ... ocean thermal energy.

00:49:15

Right yeah. When there is difference between the depth

00:49:18

Yeah.

00:49:18

Here the- Surface water, yeah. Temperature is less.

00:49:21

And they brought a scheme in Lakshadweep we can have.

00:49:25

Yeah. Shore-supported ocean energy. Right.

00:49:30

Etcetera, etcetera. Right. But I didn't see that as a commercial.

00:49:34

That is true, yeah. It didn't come up.

00:49:38

They, I don't think they have created directly electrical energy

00:49:42

or power out of it but I think they have been using it for desalination

00:49:46

using the cold water from the bottom and the surface warm temperature

00:49:50

and running a reverse refrigeration cycle or

00:49:53

flash evaporation yeah. In this case, it has not reached a commercial point. Yeah

00:49:56

Possibly the place Lakshadweep you can justify

00:49:59

because they do not have any choice yeah. But at that time still they are telling

00:50:01

nothing is coming up. Yeah. They could - see, as I told. you should convince the

00:50:07

decision-maker. Right. They should

00:50:08

go and tell the decision-maker, whoever it is.

00:50:11

Right. Then if he is convinced he will say,

00:50:13

there if it has not come, the mistake is you should not - we have not. As clear yeah.

00:50:18

Or it is not capable of. Correct, correct, correct, yeah.

00:50:21

When coming to the GATE. Yeah.

00:50:23

See at that time Common Entrance Examination for Postgraduate Admission.

00:50:29

CEPA. CEPA.

00:50:31

Other IITs were joining with our IIT for a few periods. Right.

00:50:36

then they said, no, no, we are going away. That way our IIT continued.

00:50:41

And we conduct the exam

00:50:43

we publish the results. Yeah.

00:50:45

Based on the result they used to give admission also. Right.

00:50:47

CEPA, that is - So, CEPA was the prelude to the GATE.

00:50:51

GATE. Yeah.

00:50:52

Just above before we stop.

00:50:55

Yeah. I was the controller - they will appoint a controller. For conducting

00:51:00

And joint-controller. Right.

00:51:01

Joint-controller will be controller for next year. Right.

00:51:04

That way, like that, last class

00:51:07

I was controller and a joint-controller was

00:51:09

Professor Padmanabhan - K. Padmanabhan Metallurgy. Metallurgy.

00:51:12

Right, yeah.

00:51:13

That way, when Professor Padmanabhan became

00:51:18

controller, at the time itself, GATE has come.

00:51:20

Right. And it was stopped and it has

00:51:23

...transitioned to - GATE Transformed into the GATE. Gate, right, right.

00:51:27

Yeah. It was a very, very tough job. Right yeah.

00:51:32

Secrecy is so much. Yes.

00:51:35

Secrecy is so much. Yes.

00:51:36

Even for the proof correction of question papers.

00:51:39

We should not get the ... help of others. Yeah, right. All such

00:51:43

things were there in that way, our IIT did very well. Yes. Even today

00:51:46

JEE etcetera is done at the topmost, secretly. Yes.

00:51:50

Yeah, definitely, there is an example of how to conduct an exam

00:51:53

and how to take on the aspects that there is no league,

00:51:58

there is no malpractice, there are no mistakes

00:52:01

and I know it is a nerve-racking thing.

00:52:03

So, you pioneered the CEPA and then it became the GATE. No pioneering

00:52:09

I was - It was a - It was running on.

00:52:11

Was it already running many years? I see.

00:52:13

4, 5, 6 years. 4 - 5 years ok. Yes. So, it evolved

00:52:17

ok. CEPA, it was called. Yeah, yeah, great.

00:52:19

Because of the experience, GATE came. Yeah. Yeah.

00:52:22

Similarly at that time JEE also we did for the first time

00:52:27

civil engineering, I was.

00:52:28

The chairman was Professor Varghese. At that time, JEE. Yeah.

00:52:33

So, and I was involved in JEE many ways.

00:52:36

...so many days. Right.

00:52:38

Then, till then the rank is by mechanical - manual.

00:52:43

People will find out, you will call the number and then

00:52:46

then - at that - when Professor Varghese was the chairman

00:52:50

he said, they decided, why not we use the computer. Computer, yeah.

00:52:55

The computer - you cannot asked, I didn't tell. About IIT Madras, Yeah.

00:53:00

When I joined, Professor Sengupto was the Director. Yeah.

00:53:04

He isn- people say, he was of the opinion. Yeah.

00:53:07

that my engineers need not have to go to computer they should use the slide rule. Right.

00:53:13

That way he said no computer and he didn't come at all.

00:53:16

And many people were interested to do. Right.

00:53:19

Then we used to go to College of Engineering Guindy. Right.

00:53:23

They had IBM 1620. Right.

00:53:25

And when this JEE ranking came

00:53:29

we prepared the rank, student mark.

00:53:34

Right. Student mark, each card punching - myself and Professor C.

00:53:37

S. Krishnamurthy. Right.

00:53:38

We punched all these things, all secret. Now

00:53:41

you should not tell this has spread - and then we went to

00:53:46

College of Engineering Guindy. Ok.

00:53:47

One minute, it will come.

00:53:49

Yeah ok. Test will sort out.

00:53:51

Right.

00:53:52

And we will took the print out and gave and

00:53:55

it was useful - like that, the computer.

00:53:57

Was slowly initiated into the process. Yeah, yeah, wonderful.

00:54:02

And when Professor A.

00:54:05

Ramachandran came next to Professor Sengupto,

00:54:08

first thing he did was to get IBM 370. Right, yeah.

00:54:13

That way, things move. That was our very fancy, high-end

00:54:18

system in those days, yeah.

00:54:22

Wonderful, sir, I think- Thanks. It's been my great pleasure to touch upon

00:54:26

all these aspects and

00:54:28

I'm so happy you could share your experiences

00:54:32

which will be a great

00:54:34

pleasure for viewers of this series

00:54:38

to learn of the heritage of IIT Madras, the transition from those days

00:54:43

of course, we are still a young institute

00:54:46

less than 70 years right, 60 years yeah.

00:54:49

Just like I am young, said to be young. But I find you absolutely young at heart.

00:54:54

Most wonderful.

00:54:55

Thank you very much for - bringing Yeah thank you so much.

00:54:57

out all the details. Yeah, thank you so much. My pleasure.

Oral History Project

< Back

Prof. Marti G. Subrahmanyam in conversation with Mr. M. Subramanian

Oral History Project

< Back

Dr. Vikram Rao in conversation with Prof. Mahesh Panchagnula

00:00:11

Hello, we have today ah Dr. M. Vikram Rao,

00:00:15

who is a 1965 graduate,

00:00:18

one of the earliest batches, in fact, the second batch.

00:00:21

So, Vikram tell us a little bit about - about yourself

00:00:23

and what it was like getting into IIT Madras

00:00:27

and describe the day you actually came in here if you can.

00:00:30

Well, in the back - back then we did not have a JET

00:00:33

the - the joint entrance exam

00:00:35

and we so, we all had interviews.

00:00:37

So, we - we were examined on the basis of our marks

00:00:40

and we had interviews.

00:00:41

And I still remember that my first interview

00:00:44

included Professor Koch,

00:00:46

he was a German Professor and - and

00:00:50

and he was - he was asking me what did I do,

00:00:52

what were my interests and I said gardening.

00:00:54

And I think he wanted to be sure,

00:00:56

I - I think they accepted something more erudite,

00:00:59

but they did not get it.

00:01:01

And so, he wanted some examples of - of flowers, okayay.

00:01:04

And so, I threw some out you know and then I said roses;

00:01:07

he said: Oh! Roses, when do roses grow?

00:01:11

So, I said: oh mostly in winter, all the year round, mostly in winter.

00:01:14

Later on, I realized

00:01:16

that that is absolutely the wrong answer for Germany

00:01:18

but it's the right answer for Delhi. [both laugh]

00:01:20

But I got in. [laughs]

00:01:23

Nice. So, which hostel did you live in

00:01:26

[Prof. Mahesh] and there was of course, only Cauvery at that time. [Dr. Vikram Rao] Yeah so, that's

00:01:28

an interesting one: we were the second batch,

00:01:30

but we were the first hostel residents of the campus.

00:01:33

So, we were all in Cauvery at that

00:01:35

time and we were - we had roommates

00:01:37

and then ... second year we - some of us shifted to Krishna

00:01:42

and the 64-65 rest of them;

00:01:44

the 64 people who were out in Guindy, they came.

00:01:48

So, we used to remind those first batch people

00:01:51

that as far the campus is concerned, we were the first batch.

00:01:54

Because we were the first residents.

00:01:57

And what was it like to go to class on the first day?

00:02:00

[Prof. Mahesh] Did you walk, bicycle what was - and what was it like? [Dr. Vikram Rao] Yeah,

00:02:02

All the classes were held at AC college

00:02:04

and central research lab

00:02:07

CRL we called it, I guess central research lab.

00:02:11

And - and we were taken in a truck and I - I thought that was neat

00:02:15

because we had these nerdy elite students

00:02:22

coming to AC College in a truck.

00:02:24

Oh yeah, I mean it would have been a completely -

00:02:26

they would be expecting somebody in an air-conditioned bus

00:02:28

or something, okayay?

00:02:29

[Prof. Mahesh] Yeah. [Dr. Vikram Rao] But we came in a truck with hands - slide rules in the hand,

00:02:32

it was fantastic.

00:02:33

[Prof. Mahesh] Nice. [Dr. Vikram Rao] Yes, it was very nice,

00:02:34

I mean it made you - brought you down to earth;

00:02:36

you know, that you were regular guys, not the select few.

00:02:39

Talk a little bit about classes at that time;

00:02:42

was it lecture, did you have discussion time in the class?

00:02:45

Yeah, so, the - the classes were - were lectures,

00:02:48

there was discussion,

00:02:50

there were something called surprise exams

00:02:52

which didn't last more than one year

00:02:53

because they were very unpopular

00:02:56

but I still remember one class...

00:03:00

see, there were no - there was no air

00:03:02

conditioning of course, okayay

00:03:04

and there were fans, but kind of depends upon

00:03:07

where you were and so forth and

00:03:09

I still remember Professor Koch,

00:03:10

the same guy who asked me the roses question,

00:03:15

sitting - standing in front of us in CRL in a classroom

00:03:20

and just perspiring, you know, his face was red, [Prof. Mahesh Panchagnula laughs]

00:03:23

his handkerchief was completely soaked to begin with

00:03:27

nd he was trying to - [Both laugh]

00:03:30

I don't know how these Germans survived our summer, but.

00:03:33

So, it was difficult to concentrate in that heat

00:03:37

with a little bit of fan that might be running.

00:03:41

Sure, wow, you came through with all of -

00:03:43

with all of those hurdles

00:03:44

and classes started booming into campus

00:03:47

[Dr. Vikram Rao] They moved into [Prof. Mahesh] here in

00:03:48

[Prof. Mahesh] your second year or third. [Dr. Vikram Rao] campus second year.

00:03:50

[Prof. Mahesh] okay. [Dr. Vikram Rao] Yeah yeah, second year.

00:03:51

And that would be BSB 105.

00:03:53

Yeah, it was, yeah and I think

00:03:55

of course, no AC yet as I remember, but there were good fans.

00:03:58

okay good - good.

00:04:00

So, tell us a little bit about the administration

00:04:03

that was running the campus at that time, the Head, Sengupto.

00:04:06

Yeah, So that was interesting, we were Madras campus,

00:04:09

Madras in those days, although we are still IIT Madras.

00:04:12

[Prof. Mahesh] We are still IIT Madras, correct. [Dr. Vikram Rao] [inaudible] brand, okayay.

00:04:14

You need to correct these people who say IIT Chennai

00:04:17

and yet, we had a director who was Bengali,

00:04:20

[Dr. Vikram Rao] which I thought was impressive, yeah. [Prof. Mahesh] okay.

00:04:22

And the - the administration was amazingly

00:04:28

tolerant of behaviour from us,

00:04:31

which was of course intended to be humorous

00:04:33

[Dr. Vikram Rao] but nevertheless sometimes borderline disrespectful. [Prof. Mahesh] Yeah.

00:04:38

And I - I still remember this very interesting

00:04:40

incident with Professor Sengupto,

00:04:42

who was the director and we - we had a strike, okayay.

00:04:47

Now, you know, rest of India, students strike all the time,

00:04:51

we didn't know how to strike.

00:04:53

okayay, and we were not able to consult the

00:04:56

the professional strikers, okayay.

00:04:58

So, our strike was for water;

00:05:00

I don't remember: not enough water or what,

00:05:03

but it was - it was water, and we didn't go to classes.

00:05:07

Oh that was your strike

00:05:08

[Prof. Mahesh] not going to classes was your strike, okay. [Dr. Vikram Rao] Yes, okayay.

00:05:10

So, Professor Sengupto came ...

00:05:14

and he - and - and he said, he was angry, okayay,

00:05:18

and he did not use a mic,

00:05:19

he could have been heard 2000 yards away.

00:05:22

And - and he said: "You people,

00:05:26

you think you are the cream of the Indian high school system;

00:05:30

you are not the cream, you are the scum, they both rise to the top". [both laugh]

00:05:35

So, of course, in the next issue of Campastimes,

00:05:38

I got Saha to do a caricature of Sengupto.

00:05:42

Well, he is Sengupto, but with a blue face, okayay

00:05:46

and he was stirring this thing;

00:05:48

he's saying "This is not cream, this is scum." [both laugh]

00:05:52

And then I wrote - I wrote a piece with it,

00:05:55

this is the closest I came to being dismissed -

00:05:59

Me and Saha, although I put him up to it, so, I could be blamed.

00:06:02

[Prof. Mahesh] Yeah so... [Dr. Vikram Rao] So, they put up with it, that's just the thing, okayay.

00:06:04

[Prof. Mahesh] Yeah. [Dr. Vikram Rao] They realized it's all in fun

00:06:06

and really...you know, anyway, they - they put up with a lot

00:06:10

[Dr. Vikram Rao] Yeah. [Prof. Mahesh] I'm sure.

00:06:12

[Prof. Mahesh] So, yeah you mentioned Campastimes, I think. [Dr. Vikram Rao] Yeah.

00:06:14

So, you are one of the - you were the - among the

00:06:16

founding group of students

00:06:17

[Prof. Mahesh] that brought this illustrous piece out. [Dr. Vikram Rao] Yes. So, I was one of them.

00:06:21

Yeah. So, Professor Klein who was a German professor,

00:06:24

who also had a Ph.D. in Sanskrit;

00:06:27

we got together and said we need some kind of

00:06:30

a published organ

00:06:33

and we came up with that - it sort of grew

00:06:36

... and the name came from a sandhi of campus and pastimes.

00:06:43

And so, it's called Campastimes,

00:06:45

people mispronounce it all the time but we cannot be helped with that.

00:06:48

And it was published - on a - Anand Singh Bava was the editor

00:06:53

and Diocesan Press published it,

00:06:55

printed it and Klein was the publisher, I think.

00:06:58

And ... we just sort of had fun;

00:07:01

we would - we would have these production meetings

00:07:04

when there - there wasn't - there was sp - blank spaces left.

00:07:07

So, one of us would fill something in and so, you will see there,

00:07:11

there are fillers with no initials on them,

00:07:14

that's usually, probably us just filling in the blanks.

00:07:17

And who - how did you go about getting the content to go?

00:07:20

I mean, was there a formal process or you just,

00:07:22

how many students were involved in it?

00:07:24

I would say, in terms of contribution,

00:07:28

total would have been about 15 students and

00:07:33

no, there was no method to that madness, yeah,

00:07:36

a few of us would ... and we came up with newer and newer things

00:07:40

when we ran out of ideas. So, Cup of - Over a Cup of Aye Aye Tea (IIT),

00:07:44

was somebody, I think Siddhartha who

00:07:47

got on that idea: Over a Cup

00:07:49

and then somebody said "Oh, IIT" and - and then divertissements,

00:07:52

which is so easy to write for.

00:07:54

[Prof. Mahesh] Yeah. [Dr. Vikram Rao] All of us wrote for divertissements,

00:07:55

[Dr. Vikram Rao] because that's just pure humour, okayay, you can just pick anything. [Prof. Mahesh] Yeah.

00:07:59

Just - it just grew ... there was no plan.

00:08:03

It was an - it was iconic at that time, I mean

00:08:05

copies would run out

00:08:07

[Prof. Mahesh] you know when they - [Dr. Vikram Rao] Copies would run out, because

00:08:09

we didn't really charge; despite it saying 10 naya paisa,

00:08:11

there were naya paisa in those days.

00:08:14

There would be piles that would be used

00:08:16

and people would pick them up;

00:08:19

yeah ... I can't remember but we probably put out

00:08:24

[Dr. Vikram Rao] 7 or 8 in the first year or something like that, yeah. [Prof. Mahesh] okay.

00:08:27

First year meaning, first year of its life,

00:08:29

which was I think our second year.

00:08:32

So, back to academics,

00:08:33

you were in the Metallurgy engineering stream.

00:08:36

[Dr. Vikram Rao] Yes. [Prof. Mahesh] Who do you remember -

00:08:38

who are the some of the professors who made a -

00:08:40

[Prof. Mahesh] an unforgettable impression on you? [Dr. Vikram Rao] Oh yes.

00:08:43

So, they were quite - but the - the main memory

00:08:46

is E. G. Ramachandran

00:08:47

and he was the Chairman

00:08:49

and I'll tell you a story about E. G. R.

00:08:53

it's absolutely apocryphal. I - you know - in fact, I am reminded -

00:08:56

I am - the similar story is told about ... Richard Feynman,

00:08:59

the Nobel physicist - that apparently he did

00:09:02

almost exact same thing

00:09:03

when he went to give a lecture course in Cornell,

00:09:07

although he was at Caltech.

00:09:09

So, E. G. R. came to us;

00:09:11

I think this is my fourth year

00:09:13

to teach us a course on Advanced Metallurgical Techniques.

00:09:17

He came: first day, he was sitting front of us, we were chatting

00:09:21

and one thing led to another and he said:

00:09:23

do you people understand quantum mechanics?

00:09:25

Now, what kind of question is that, okayay.

00:09:28

So, he then proceeded to ask a few,

00:09:31

nobody he knew enough to his satisfaction, okayay.

00:09:34

So, he threw his notes, threw his notes down

00:09:38

and he said: we're going to learn quantum mechanics

00:09:41

and he taught the whole darn course from here. [Dr. Vikram Rao points to forehead]

00:09:45

I don't remember seeing any notes, ever;

00:09:47

now might be, the memory is a little flawed after the years, okayay...

00:09:52

but amazing, this is like some sadhu sitting under a banyan tree

00:09:57

with 10 chelas around him and learning,

00:10:00

just experiential learning, it is amazing.

00:10:04

Very few people can pull that off;

00:10:06

you - you know - you'll have to have knowledge

00:10:08

in your head to do that and the desire to actually teach.

00:10:12

Yeah, those are the people that built IIT

00:10:16

[Prof. Mahesh] to what it is today in many ways. [Dr. Vikram Rao] They were,

00:10:18

[Dr. Vikram Rao] and there were many who did it in a different way. [Prof. Mahesh] okay.

00:10:22

I would say so, it's hard to know what is the

00:10:24

true foundation of a place;

00:10:25

but without doubt the true foundation of a place is the - is the

00:10:29

leadership at the time, which includes the faculty,

00:10:31

but also the administrative leadership. you know, Natarajan

00:10:34

told lot of jokayes, not all good,

00:10:35

but not all funny, I mean they were all good

00:10:40

He was our registrar, very young guy at the time,

00:10:42

well, lookayed young anyway.

00:10:44

Yeah, you know - that - it's hard to know what is a true foundation;

00:10:47

but I would say yes, particularly because it grew from scratch.

00:10:51

[Prof. Mahesh] Yeah. [Dr. Vikram Rao] okayay and you had to make up the rules as you went.

00:10:54

[Dr. Vikram Rao] Yeah. [Prof. Mahesh] The campus environment,

00:10:57

you've visited the campus several times since your early days.

00:11:01

[Dr. Vikram Rao] Yes. [Prof. Mahesh] What was it like watching the campus grow, if you will?

00:11:05

Well here is the thing, I was blown away when I came

00:11:09

to see all the trees; because when they built the hostels,

00:11:12

they must have had to cut down trees, okayay.

00:11:14

So, in the hostel area it was pretty barren.

00:11:17

No, in fact, it was all fields; there were no

00:11:19

trees in the hostel area.

00:11:20

[Dr. Vikram Rao] Ah so, I do remember that there was nothing there. [Prof. Mahesh] Yeah.

00:11:22

But now you see there are trees there.

00:11:24

So, I assumed that by some regulation you are

00:11:26

required to put trees back.

00:11:27

No, purely voluntary.

00:11:29

But the thing I was really impressed with

00:11:31

and I don't know if it's voluntary

00:11:33

or whether it was enjoined on you,

00:11:35

because this was a state park,

00:11:37

Adyar park or whatever it was - Adyar forest.

00:11:39

It was not enjoined.

00:11:40

[Dr. Vikram Rao] okay. [Prof. Mahesh] It was just a

00:11:41

[Prof. Mahesh] decision of the leadership at that time. [Dr. Vikram Rao] But - but the true impression I get

00:11:43

when I came back after many years is,

00:11:46

blown away by the fact that, by and large,

00:11:49

[Dr. Vikram Rao] you can't see the next building from one building. [Prof. Mahesh] Yeah.

00:11:52

And that some of these old banyan trees are still there,

00:11:56

it's difficult to construct that way.

00:11:59

So, it - there is no other campus like this you know, Powai,

00:12:01

the IIT Bombay people

00:12:03

say it is a sylvan campus, not really, okayay.

00:12:07

In fact, there is no campus like this

00:12:10

which has a true what we'd call sylvan setting.

00:12:14

And you would, how would you go - go out to

00:12:17

find some real life outside?

00:12:19

Bicycle; well, also, although there were 4 or 5 guys

00:12:23

who had scooters and motorcycle.

00:12:25

So, Bava had a scooter, Basu John Vetteth who has passed,

00:12:32

who by the way was one of the all-rounders, had a motorcycle;

00:12:37

Mahesh who has passed as well, had a scooter

00:12:39

of course, his family owned Bajaj scooters.

00:12:42

So, he had a scooter.

00:12:43

But [both laugh] sorry about that - that but it's true;

00:12:47

but the - but the - but the scooter and the people

00:12:52

were not obnoxious about it.

00:12:54

[Prof. Mahesh] Yeah. [Dr. Vikram Rao] I mean there were only what 4 or 5

00:12:57

they were really down to earth; some of them were wealthy,

00:12:59

but it didn't show, we rode the bicycle.

00:13:02

And you had to be careful,

00:13:03

because if there is a stick across the road, you avoid the stick.

00:13:08

Because stick that moves when you are wearing chappals -

00:13:13

an angry snake is not to be tackled with chappals, okayay.

00:13:18

So ... we avoided sticks,

00:13:20

just to be sure; some of those were really sticks.

00:13:22

[Prof. Mahesh] Yeah [Dr. Vikram Rao] But who wants to be sure. [laughs]

00:13:24

And the deer were getting used to the -

00:13:25

Ah, deer we were - we were - we were trained on that,

00:13:28

but several couple of guys got hit.

00:13:30

See the training was that if the - if you see deer

00:13:33

and they are trying to cross, wait for the last one;

00:13:36

wait, just wait okayay, because the straggler usually a smaller one

00:13:41

it's still going to cross

00:13:42

and then they have to cross over you. So, [laugh]

00:13:45

Yeah, how did you communicate with home back days -

00:13:48

[Prof. Mahesh] back in those days? [Dr. Vikram Rao] Letters.

00:13:51

[Dr. Vikram Rao] Letters; pretty infrequent letters, if you ask my mother. [Prof. Mahesh] Letters. You had a Post office -

00:13:54

and you'd communicate back.

00:13:56

Yeah - yeah and this is the interesting thing;

00:13:58

I don't know what any parents would have done in those days,

00:14:01

They - they just trusted to the administration, I guess.

00:14:04

Nice and what was it like to be in the hostel:

00:14:09

describe the hostel life.

00:14:11

[Prof. Mahesh] Yeah. [Dr. Vikram Rao] That Life, if you will.

00:14:13

Yeah, so, the - the - as I said, the first

00:14:16

year we had roommates in Cauvery

00:14:19

and then second year onwards, we had single rooms;

00:14:24

it - it was highly collegial, see part of the thing is

00:14:26

you are stuck in the middle of a forest.

00:14:28

So, you had 240

00:14:30

for the first batch students and the second batch students.

00:14:32

Yeah, first batch was 120.

00:14:33

So, our batch was 120 students, well, when we started,

00:14:37

there was some iteration;

00:14:38

but by second year, no,

00:14:40

I - I would say the first batch might have been a 110,

00:14:42

yeah about 230 or something yeah

00:14:44

[Dr. Vikram Rao] and then we were all there. [Prof. Mahesh] Added on every year.

00:14:47

But see, because we were the first residents of the forest -

00:14:49

which as I told you we reminded them of -

00:14:53

we were highly collegial.

00:14:54

So, the Campastimes thing had 64 and 65;

00:14:57

there was no senior/junior stuff okayay

00:14:59

in - in most of things like,

00:15:01

I used to be on some debating sort of things

00:15:04

and we were all together.

00:15:07

So, I don't know what any other campuses are these days

00:15:10

or how it is now;

00:15:11

but it was highly collegial,

00:15:12

people from all walks of life just being together.

00:15:17

I get the feeling that all aspects of IIT

00:15:21

grew together: academics, campus,

00:15:24

extracurricular activity, student growth;

00:15:27

I - from - from everything I hear,

00:15:29

I don't get this feeling of a sequential growth process.

00:15:32

I don't think we were allowed to grow sequentially,

00:15:35

[Dr. Vikram Rao] it all was happening at the same time, okayay. [Prof. Mahesh] Yeah.

00:15:38

And - okayay, you know, I like to say IITians are

00:15:44

not arrogant, just elitist okay and I hope that is even true.

00:15:47

But at least all of us are sort of fairly smart

00:15:50

and you got to figure it out, you can figure it out on the fly.

00:15:53

[Prof. Mahesh] Yeah. [Dr. Vikram Rao] If as an IITian you can't figure it out on the fly,

00:15:55

then who else is going to and I think we just

00:15:57

figured it out on the fly

00:15:58

and the faculty allowed us to and they did the same thing, okay.

00:16:01

See even the curricula, all the curricula was invented on the go;

00:16:03

for example, we used to have Workshop,

00:16:06

I mean, this is a disaster okay,

00:16:09

actual hard work, okay, some of it just - cold chiseling,

00:16:14

you don't even know what that means, okay [laughs] [Dr. Vikram Rao enacting the method]

00:16:18

So, this was - this a chisel, metal chisel, metal hammer

00:16:25

and if you went from here; you didn't get any marks,

00:16:29

you had to go from here

00:16:31

And then you had to hit this, you are not allowed to wear gloves,

00:16:34

so that means you learn.

00:16:35

[Prof. Mahesh] It builds personality.

00:16:36

It would build something, big fat thumbs is what it builds.

00:16:39

okay, and - and then you tookay this - this - this U-shaped object

00:16:45

and made it into a paperweight which is flat.

00:16:47

[Prof. Mahesh] Sure. [Dr. Vikram Rao] okay. So, I think this is, but it's a great leveler.

00:16:52

[Dr. Vikram Rao] okay. [Prof. Mahesh] So, you wrote a lot of caricatures for - for IIT Madras,

00:16:57

[Prof. Mahesh] I mean for Campastimes. [Dr. Vikram Rao] Yes.

00:16:59

So, name some of the people you caricatured

00:17:01

and personalities you remember from your days then?

00:17:06

So, actually I'm not sure that -

00:17:09

it sort of just happened;

00:17:11

usually the caricature - the early part is easy okay,

00:17:15

because you picked some of the faculty

00:17:19

that were interesting

00:17:21

and or some of the student body that was interesting.

00:17:23

But after a while, it was just if something happened;

00:17:27

then on basis of that the person got picked.

00:17:29

And - and so, what I would do is, I would go -

00:17:34

So, Professor Sampath for example,

00:17:36

who was a double E (Electrical Engineering) Professor;

00:17:38

I think we now have a Chair in his name.

00:17:42

So, the Sampath one happened is that,

00:17:44

he was just a larger-than-life person, okay.

00:17:48

So, he was an obvious choice. So, I went and interviewed him.

00:17:51

So, what I would do is, somebody who I did -

00:17:52

didn't know all that well,

00:17:54

I would interview them and just get some facts

00:17:58

and then fictionalize them [laughs]

00:18:00

[Prof. Mahesh] Nice, nice, nice [Dr. Vikram Rao] Yeah.

00:18:03

So, tell us a little bit about your convocation

00:18:06

the then Education Minister was your convocation speaker.

00:18:10

So, I actually came to the darn thing okay,

00:18:12

some two days; and the reason I am telling I came to it,

00:18:15

[Dr. Vikram Rao] because I didn't go to my Ph.D. convocation, okay. [Prof. Mahesh] okay.

00:18:18

I was ... actually, I came because we were a family okay,

00:18:23

that is why I came, okay. Yeah.

00:18:25

And nowadays I may or I may not come.

00:18:28

So, I don't remember much of the convocation

00:18:31

other than the speeches and that some of us got,

00:18:33

actually I got an award for this damn thing for some reason;

00:18:36

I did - it was all made up,

00:18:38

because how could there be an award for

00:18:39

Campastimes, okay?

00:18:42

No, no, I think it broke a path

00:18:45

[Prof. Mahesh] inside a forest called IIT Madras. [Dr. Vikram Rao] Yes.

00:18:47

I know, ... most

00:18:49

of what I remember about is just meeting them again;

00:18:51

see we left early, see you don't realize this.

00:18:53

See we - we graduated early because of the war, okay.

00:19:00

And so, we graduated I wanna say in February or something,

00:19:04

[Dr. Vikram Rao] but the convocation is at the regular time. [Prof. Mahesh] Sure.

00:19:06

So, there's a gap, so we all went home and then came back.

00:19:09

And so, it was good to sort of meet everybody.

00:19:12

So, what I remember mostly is saying goodbye correctly;

00:19:16

because when you leave, you sort of all scatter, right.

00:19:19

But saying goodbye correctly and seeing the place again

00:19:22

as an alumnus, it was - it was very cool.

00:19:25

So, I don't remember the pomp and ceremony,

00:19:27

I just remember the fact the family came together.

00:19:29

I think all - every student in the - in a

00:19:31

convocation would say exactly this.

00:19:33

[Dr. Vikram Rao] Yeah. [Prof. Mahesh] The pomp and ceremony is secondary.

00:19:35

[Dr. Vikram Rao] Yeah. [Prof. Mahesh] Describe what it was like leaving IIT Madras,

00:19:39

going back. Did you leave alone?

00:19:40

Did you have some friends go out with you - what was it like?

00:19:43

No, because I was going to Delhi in a train, okay

00:19:45

and there were only a few of us

00:19:48

and we didn't, no, we did not go to

00:19:49

I don't - no recollection of going with anyone,

00:19:52

because I think we were about 3 or 4 from Delhi.

00:19:54

See, that time because there was no joint entrance exam;

00:19:57

they deliberately had pockets from all over the country.

00:20:01

So, there weren't that many from any one particular area.

00:20:04

So, I don't have much of a recollection of - of the leaving part.

00:20:11

Very nice, this has been a fantastic interaction;

00:20:14

would you like to say anything?

00:20:15

Well, no I have - I would like to say

00:20:17

this is wonderful to have a Centre like this;

00:20:21

it's not often that your heritage is preserved

00:20:24

[Dr. Vikram Rao] in - in a way that is interesting, see this is the point. [Prof. Mahesh] Yes.

00:20:27

You can preserve in ways,

00:20:29

but it has got to be interesting to the casual observer.

00:20:32

[Prof. Mahesh] Correct. [Dr. Vikram Rao] And while I am not a casual observer,

00:20:34

I can put myself in the place of a casual observer

00:20:37

and say this is a terrific place and thank you for having it.

00:20:39

Thank you so much for doing this.

00:20:41

[Dr. Vikram Rao] No, no, no worries. [Prof. Mahesh] Yeah, bye.

Oral History Project

< Back

Prof. S.N. Venkatarangan in conversation with Prof. Usha R

00:00:11

Good afternoon, Professor Venkatarangan.

00:00:13

Thank you. Thank you very much Usha, thank you. So,

00:00:14

on behalf of the Heritage Centre, I wish to extend a very

00:00:19

warm and affectionate welcome to you.

00:00:22

Thank you. Thank you very much. Thank you. And thank you

00:00:23

very much for accepting to join this

00:00:27

Oral Heritage History Interview

00:00:30

and conversation and I am a highly honoured.

00:00:33

And it's a pleasure for me to engage

00:00:36

with you in this conversation.

00:00:39

Thank you. And I am sure in the next 50 to 60 minutes,

00:00:43

we would have learnt a lot about those golden ages, golden age

00:00:48

of your career in this department and in the institute.

00:00:53

And- Yeah, yeah, thank you. Thank you very much.

00:00:57

So, I will first start with a brief introduction about myself- Ok.

00:01:01

And how I joined the institute. Yes.

00:01:04

I was a graduate B.A.

00:01:08

Mathematics from Government Arts College, Coimbatore.

00:01:12

And it was about 18 years

00:01:14

when I completed my graduation.

00:01:16

It was an exceptional thing because

00:01:18

those days, they were very strict

00:01:22

about age restrictions. Yes.

00:01:24

But there were some special cases.

00:01:27

Where they exempted people who were highly motivated and then,

00:01:32

they allowed them by the Director- Ok.

00:01:36

of the Director of Education,

00:01:38

school education and we were asked to complete

00:01:40

our SSLC and take our graduate course.

00:01:43

So, I did my B.A. Mathematics at Government Arts

00:01:47

College at Coimbatore, it was B.A.

00:01:50

at that time not B.Sc., B.A. Mathematics

00:01:52

and then, I got a first-class rank.

00:01:55

And then, I wanted to join B.E.

00:01:58

because at that time, there was a clamour for B.E. students

00:02:02

and therefore, I wanted also to join, but because of

00:02:06

financial circumstances, I could not join

00:02:09

and it anyway it was my ambition

00:02:12

to join some engineering college

00:02:15

and become a graduate in Engineering.

00:02:20

But my uncle advised me at that time because of financial reasons

00:02:26

to become a teacher B.T. was only a 9 months course, Bachelor of Teaching

00:02:31

so, he said you join

00:02:33

Ramakrishna Vidyalaya at Periyanaickenpalayam

00:02:34

and I joined there and then in 9 months I completed my B.T.

00:02:39

at Ramakrishna Vidyalaya Periyanaickenpalayam

00:02:43

in English and Mathematics.

00:02:45

Two subjects we had to take and English and Mathematics.

00:02:48

Then, I joined as a teacher

00:02:51

in Municipal High School, North Coimbatore

00:02:53

and I was there as a B.T. assistant for 5 years.

00:02:57

1957 to 62, but at that time, I had always been aspiring to be

00:03:07

a graduate in Engineering so,

00:03:10

there was no other option, but to go for AMIE,

00:03:13

that was another avenue which was available to me

00:03:16

and so, I was earning and learning also at that time.

00:03:20

So, I was doing my AMIE course

00:03:22

at a Institute at Coimbatore,

00:03:25

at a private institute at Coimbatore.

00:03:27

And I was the only one who passed

00:03:29

a section A of AMIE.

00:03:31

In the first attempt from that institute.

00:03:34

And then, I was interested in doing section B

00:03:38

and becoming an Engineer.

00:03:40

So, when I took leave for section B,

00:03:44

from the school, at that time, I was interested in doing LE also,

00:03:50

Licentiate in Electrical Engineering because AMIE I have passed

00:03:54

so, I thought let me do LE also simultaneously

00:03:57

so, I came to write the LE examination in Central Polytechnic here.

00:04:03

At that time, there was an advertisement in the paper about IIT Madras

00:04:08

and then that year, they said that

00:04:10

they will admit students for Mathematics.

00:04:12

This was which year? So, pardon.

00:04:15

Which year was that? That was 1962.

00:04:17

1962. 1962, 57 to 62 I was a BT assistant.

00:04:21

62 I came here to write the examination because

00:04:24

it happened to be the date of interview here at

00:04:26

IIT Madras also was happening to be the near 1 or 2 days near

00:04:31

so, I stayed here and then I came to the institute for the interview

00:04:35

and that time Professor Sengupto was the Director

00:04:39

and Lakshmanaswami Mudaliar was the Chairman at that time.

00:04:43

And then, I went for the interview and there was the big hall

00:04:48

and that was in the now housing Civil Engineering Department,

00:04:52

there the Director’s Office was there and there was a

00:04:55

long table and all that which I have never seen in my life

00:04:59

till that time because that was a very big table and then,

00:05:02

about 40 or 50 people will be sitting around and then,

00:05:06

we were called in for the interview

00:05:07

and luckily only five people were selected.

00:05:10

And they said, of course, we told them that it will not

00:05:13

be possible for me to do the

00:05:16

thing here because I had some problem

00:05:19

with finance, and they said we will give you scholarship

00:05:22

and so, all the five of us were given scholarship

00:05:25

and I think it was the same with the Physics and Chemistry also

00:05:28

that was the first batch at that time.

00:05:31

So, we joined here and at that time, we were not having a

00:05:35

separate department, we were housed in some three or four rooms

00:05:39

in the HSB. So, this interview is for

00:05:43

admission into Mathematics Department? Into Mathematics.

00:05:45

For graduate programme?

00:05:46

Ok no, for the Mathematics they gave M.Sc.

00:05:49

Entrance, for entrance there was a interview, oral interview and then,

00:05:53

they selected based on the. Ok.

00:05:54

Performance in the interview. Ok.

00:05:56

There was no examination at that time. Fine.

00:05:57

At that time, there was no examination.

00:05:59

And so, five of us were selected.

00:06:01

And then, we continued here completely and then in the year 64,

00:06:09

we got our M.Sc. degrees.

00:06:11

And then because I had taken leave from

00:06:13

the institute from a municipality at Coimbatore as a teacher

00:06:17

so, I went back and joined there and then, Professor Nigam had

00:06:21

joined in the department. He was the role model for me in teaching

00:06:25

as a matter fact possibly you must be knowing. yeah

00:06:27

That he was the role model for many people

00:06:30

who wanted to be good teachers

00:06:31

so, we became good teachers only because of him.

00:06:34

We used to enjoy his teaching and he used to have classes

00:06:38

even after the college hours at that time. Yes

00:06:42

In Hydrodynamics. Yes.

00:06:43

And then, we used to go and meet.

00:06:46

So, there was plenty of give and take between

00:06:50

the students and the faculty at that time

00:06:53

because that was about one;

00:06:55

one year since he joined, at that time,

00:06:57

Professor Srinivasan was the head,

00:06:58

S. K. Srinivasan was the head.

00:07:01

Then, after I joined there, the DOO who came to see me

00:07:05

he said better go and join for Ph.D.

00:07:07

and why did you come here unnecessarily

00:07:09

as a teacher wasting your M.Sc. degree.

00:07:12

Then, he I-I appreciated him,

00:07:14

and he said I will get you leave and so, you go and join.

00:07:17

When I came here, the date was over.

00:07:20

Date for applying for Ph.D. was over,

00:07:22

but then, Professor Nigam took me to Professor Sengupto and

00:07:27

said that he is our student, one of the best students here

00:07:31

and I would like to take him so, he has not applied, already one,

00:07:35

one week has passed, then he said it doesnt matter, let him apply

00:07:38

now and then, I was selected. Oh Nice.

00:07:41

That time and then, of course,

00:07:43

I told Professor Nigam about my family circumstances and all that.

00:07:47

And the next year, after I joined as a Ph.D. scholar,

00:07:51

he took me on the staff.

00:07:53

As a Senior Technical Assistant.

00:07:56

The lower most possibly in the department at that time.

00:07:59

Ok. But anyway, I was very happy because I could get some money.

00:08:03

Ok. And then, help my family that was how I joined the department.

00:08:06

And then slowly I had a good reputation of being a good teacher

00:08:12

because I used to follow Professor Nigam and

00:08:14

he used to give me a classes

00:08:16

and whenever teachers were about to go,

00:08:18

I was waiting for them to go.

00:08:20

And then, whatever classes they were taking, I will take from them

00:08:24

and then, go on teaching and so, like that;

00:08:26

though I was a Research Scholar for one year,

00:08:29

I could go on teaching even at that time itself. Ok.

00:08:34

With the permission of Professor Nigam,

00:08:35

I will go and teach the students

00:08:38

in the absence of the teachers and that is how I entered

00:08:42

into the department as a Senior Technical Assistant

00:08:46

and then, slowly I went up

00:08:50

the ladder and retired as a Professor in 1997.

00:08:55

Ok. 97 and 90 till 98, there was a extension for me 98

00:09:01

June I think, 98 June I retired. From the institute. Ok.

00:09:06

So, that is how I got into the institute.

00:09:09

And of course, my ambition of

00:09:12

becoming an Engineer was not satisfied,

00:09:14

but coming to an Engineering College

00:09:16

was satisfied. Satisfied.

00:09:17

And I used to get paper for correction from AMIE.

00:09:21

Ok. Where I had completed my course.

00:09:23

So, they just followed me and then,

00:09:25

I was getting paper correction from AMIE. Ok.

00:09:29

For for section A students in Mathematics. Ok.

00:09:33

So, I used to do that. Ok.

00:09:35

So, that was how I entered the institute,

00:09:37

and I had a very pleasant experience.

00:09:39

All through.

00:09:40

Ok. So, as a Ph.D. scholar with Professor S. D. Nigam.

00:09:45

So, what were your experiences, how how was

00:09:49

I mean what was his approach in-

00:09:53

No, he was. -moulding you.

00:09:54

Yeah, yeah, no, not only moulding me, moulding many people. Ok.

00:09:58

When he came from Kharagpur, he came from Kharagpur IIT.

00:10:02

At that time, we were all thinking about

00:10:05

only the previous staff member

00:10:06

S. K. Srinivasan and others, but when I joined under Professor Nigam-

00:10:10

Because Professor Srinivasan had already taken Research Scholar

00:10:14

so, he did not want to take me at that time, he said you please ask

00:10:17

Professor Nigam so, I asked him. And then, he took me.

00:10:20

As a Research Scholar.

00:10:21

There were three Research Scholars with him

00:10:23

at that time and there were many other

00:10:26

staff members who were interested

00:10:27

in doing research under him

00:10:29

though they have not registered at that time,

00:10:31

even Srivastava and other people.

00:10:34

So, when all of us we will meet in the evening,

00:10:37

every day we will meet in the evening

00:10:39

by 7:30 after our food in the hostel,

00:10:42

we will come here and

00:10:43

Professor Nigam also will come from his house

00:10:45

and then, from 7:30 to 9, each one will tell whatever he has read

00:10:50

and found interesting, he will present it. Ok.

00:10:53

In the seminar room of the department.

00:10:55

And so, the department will be active till 9 O’ clock.

00:10:58

At morning 7:30 or 8 O’ clock,

00:11:00

Professor Nigam will be there before we come from the hostels,

00:11:03

he will be there. Ok.

00:11:05

So, he was such a nice man and at that time

00:11:07

there was not much of journals which are available in the library

00:11:12

in the fields in which he was working- Hydrodynamics particularly

00:11:16

So, but he had a interest in collecting all the paper

00:11:20

and so, he used to have a bundle of papers collected from

00:11:23

some persons and he had to return them.

00:11:25

So, we used to copy those papers of other authors in Hydrodynamics.

00:11:30

And then, we will be at the time of copying, we will be

00:11:33

interested in knowing what they have written and all that.

00:11:35

Right.

00:11:35

So, that is how we started and then one day he will say

00:11:38

you take up this paper and present it here.

00:11:41

So, like that he used to ask the students.

00:11:43

He will never give the topic of research to the students.

00:11:46

The students have to find it for themselves.

00:11:49

So, he will say if you find this interesting, go ahead,

00:11:52

see these journals and then, read and present it here.

00:11:55

So, I used to work in liquid helium also.

00:11:58

Ok. I mean in the beginning.

00:11:59

Liquid helium and then, stationary principles, all those things, but then,

00:12:04

he left us completely free by that time I became

00:12:08

a staff member also so, it was part time for me.

00:12:10

But anyway, he will not leave if we present something

00:12:14

to him one evening, the next morning he will come and ask

00:12:18

what did you do about that?

00:12:20

Have you found out the answer for my questions?

00:12:22

He will come to my room and then ask.

00:12:24

Exactly. What so, that is how he started.

00:12:27

The creating enthusiasm in the students.

00:12:31

By his enthusiasm in the students.

00:12:33

Exactly. That is what he used to do.

00:12:35

That was how he motivated us.

00:12:37

And then, we will go and tell him sir, this is the field,

00:12:41

I feel that there are some interesting things

00:12:43

which are here then, he will say please proceed ahead.

00:12:46

And then in the seminars, we will present

00:12:48

and then, he will say take up this topic.

00:12:51

So, go on doing research.

00:12:53

So, that is how we started with that.

00:12:56

So, there was the topic of research that I had

00:13:00

was on the use of local potentials.

00:13:04

As in chemistry, there was a Prigogine,

00:13:12

Ilya Prigogine by name.

00:13:14

And he was a Nobel Laureate.

00:13:17

He had come to IIT Madras also. Professor Prigogine

00:13:20

had come here. He is a Chemistry Professor of Belgium

00:13:25

University and he had come here and I was interested in

00:13:29

doing work in his field and so, I had done some work already

00:13:34

and then, Professor Nigam said this is the best time.

00:13:36

Ok.

00:13:36

So, he is coming to Maths Science so, we will invite him.

00:13:39

You present to him whatever you have done

00:13:42

and then, we invited him here and then,

00:13:46

he used to come here in the evenings and discuss with us

00:13:49

and then, he found that two paper that we had done in his field,

00:13:53

were very interesting and he said if you permit me,

00:13:56

I will present it in the Belgium Academy of Sciences.

00:13:58

On your behalf, you need not come, I will present it.

00:14:01

So, the two papers that I had first were presented by

00:14:05

the Nobel laureate in Belgium Academy of Sciences.

00:14:09

Who is the Nobel laureate?

00:14:10

Prigogine, Ilya Prigogine, Thermodynamics man.

00:14:14

Oh, oh. Thermo.

00:14:16

See he was a student of De Donder and other people

00:14:19

and he said Thermodynamics actually the state of any system

00:14:25

can be defined in three or four ways so, one is

00:14:29

equilibrium state where everything will be a constant

00:14:33

at every place here, it will be a constant

00:14:36

irrespective of its position and time and all that.

00:14:38

That is equilibrium dynamics. That was the thing

00:14:41

which was being taught in the schools and

00:14:43

colleges at that time. And then, the system that is next

00:14:47

is what is called as the stationary state.

00:14:49

Or steady state.

00:14:51

In steady state, the temperature everything will be depending upon

00:14:56

position not on time, position not on time.

00:15:01

So, they will be coordinates of position

00:15:03

and then, the other non-stationary state is one

00:15:06

where you have position and time coming into play.

00:15:09

So, if you are going to study systems,

00:15:12

the systems will not be always in equilibrium,

00:15:15

every point in the world will not have the same temperature,

00:15:20

same pressure etcetera.

00:15:21

So, people thought thatTthermodynamics

00:15:23

which was being taught was dead

00:15:25

completely and it is useless.

00:15:27

And so, Prigogine took up,

00:15:29

Prigogine and his student Glansdorff of Belgium School,

00:15:33

they took it up and then, they said how it can be modified

00:15:36

to accommodate the steady state and the non-steady state.

00:15:41

These were the three states and of course,

00:15:43

the turbulent state was beyond that scope,

00:15:45

it was not in the local potential area,

00:15:47

but turbulent state was completely different and

00:15:49

that was discussed by Landau, Landau and Lifshitz of Russian School.

00:15:55

So, this was when I presented it to him,

00:15:58

and we had applied it to problems in tThermodynamics

00:16:03

in Heat Transfer, in Boundary Layer Theory

00:16:08

and instability of systems Chandrasekhar’s Field.

00:16:14

So, these four problems I had tackled using his method.

00:16:18

Ok. What is called as the local potential?

00:16:20

The main idea is which is the system may be

00:16:23

completely different at different places and different times,

00:16:26

but when you take delta t time like Newton’s method

00:16:30

so, there will be a local potential for that.

00:16:32

So, there will be an upper one and a lower one

00:16:35

and so that is how they built up what is called as

00:16:38

the concept of a local potential.

00:16:40

And then, when he presented that paper,

00:16:43

the two paper were accepted and then,

00:16:46

those were the two papers which I published

00:16:50

along with Professor Nigam in the first stage,

00:16:52

beginning stages and it was quite enthusiastic work for us.

00:16:57

Oh, Very nice.

00:16:58

So, that is how we started and continued with that.

00:17:02

Ok. And then later on, when I completed my Ph.D.-

00:17:05

So, how long did it take?

00:17:07

It was. For you to complete?

00:17:08

Because I became a staff member

00:17:09

and I want to tell you also another thing.

00:17:12

When I became a staff member at that time,

00:17:14

we had about 60 students in a class

00:17:18

and the B.Tech. students were divided into 4 or 5 groups.

00:17:22

And simultaneously, four teachers will be teaching.

00:17:25

And so, I used to take one section and then,

00:17:31

parallely there will be-

00:17:32

So, you mean to say- 4 others.

00:17:33

Class strength was 15.

00:17:35

For? You said 60 students would be divided into 4.

00:17:38

No, not 60, 60 into 5. 300, around 300 B.Tech. students. Ok.

00:17:43

B.Tech. students will be in 4 or 5 batches. Ok.

00:17:45

And then, one will be under my charge. Ok.

00:17:48

And that will be correspondingly my colleagues will be taking 5.

00:17:51

Yeah, I understand. 4 more sections or 5 more sections

00:17:54

and so, we used to meet together and then,

00:17:56

discuss about and what what happened was

00:17:59

that some of the students felt that

00:18:03

they could come to my class because that was divided

00:18:06

already by the academic section and so,

00:18:08

they said sir, we would like to attend his section and

00:18:11

it was not possible.

00:18:12

So, what was done was,

00:18:14

they went to the Head of the Department So, what was done was,

00:18:14

they went to the Head of the Department

00:18:18

Professor Nigam and said sir, we would like to attend

00:18:20

his classes so, please reorganize.

00:18:23

But all the other people were also asking and then,

00:18:26

they say they went to the Director also at that time

00:18:29

and then, they said that what should be done?

00:18:32

Ofcourse, not that they were against the other teacher,

00:18:35

but they said I we like the way the he teaches

00:18:38

that is what they said.

00:18:39

And then, he said if you are interested then, come after the

00:18:42

school college hours and then by 5 to 6:30

00:18:46

I will be teaching in the Central Lecture Theatre

00:18:48

and all the students of B.Tech.,

00:18:50

most of them who were interested

00:18:51

will be coming and joining.

00:18:53

So, like that I used to give.

00:18:54

Ok.

00:18:55

So, that was one of the things which prompted me

00:19:00

to become a very good teacher, if possible,

00:19:03

that is how I started.

00:19:04

Most of the things I learned by teaching the students.

00:19:07

Every year when I teach a teach the students,

00:19:10

I used to teach it in a different way.

00:19:13

Because I know the difficulties of the students who have

00:19:15

done the previous examinations, they would have come and

00:19:18

told me sir this is how I understood, but the next

00:19:20

time when I teach, I will see that that doubt

00:19:23

will not come to anybody in the class.

00:19:26

So, that is how I improved my teaching.

00:19:28

So, I was a teacher, but also, I was a

00:19:31

student at the same time. Yeah, yeah

00:19:32

So, that is how I enjoyed teaching in IIT

00:19:35

and more most of the things were very simple,

00:19:38

the students used to ask me why is 0 by 0 indeterminate form?

00:19:43

Why is infinity minus infinity indeterminate form?

00:19:45

Why is 1 to the power of infinity?

00:19:47

Because 1 to the power of infinity 1 into 1 into 1

00:19:50

any number of times is 1 only,

00:19:51

but 1 to the power of infinity is indeterminated

00:19:53

you can’t find the value why?

00:19:55

So, I used to give them practical examples

00:19:57

of infinity minus infinity, how it is 4, how it can be 5,

00:20:01

infinity minus infinity can be 6, how it can be 6

00:20:04

so, I used to construct and give them very simple examples

00:20:07

that is why the students are started liking me.

00:20:11

Ok.

00:20:11

They said sir because we did not know all these things,

00:20:14

my teacher also did not teach me all these things,

00:20:16

but this I learnt by thinking about the whole thing and then,

00:20:22

wanted to give them some examples.

00:20:23

Ok.

00:20:24

So, that is how I did that. Ok.

00:20:26

So, the teaching was in a way a learning for me. Ok.

00:20:33

To become a very good teacher. Ok fine.

00:20:35

So, that is how I used to spend my time

00:20:38

and after that of course, M.Sc. courses are also there

00:20:41

and there were some Engineering students who wanted to take

00:20:44

some courses under me

00:20:46

because Professor Banerjee was teaching

00:20:49

Electro- Electromagnetic Waves and there,

00:20:53

they had the operation of delta coming in, del operator

00:20:57

so, they were saying sir, divergence,

00:21:00

curl and gradient and all this we are not able to understand,

00:21:03

can you please? Then, I said first I should get

00:21:06

the permission of Professor Banerjee

00:21:08

because I do not know what he is teaching you and all that,

00:21:11

but I must concur with him so, then they said

00:21:14

you contact Banerjee, Banerjee told me these are the things

00:21:17

which the boys, I am using for the boys.

00:21:19

Then, Professor Nigam said you please take a special course

00:21:22

for Electrical Engineering students outside the class hours

00:21:25

and 5 O’ clock again Central Lecture Theatre,

00:21:27

the Electrical students will come and I used to tell them

00:21:30

what is meant by the operation del when it

00:21:32

operates on a scalar, on a vector as a dot product,

00:21:36

as a cross product, I used to tell all these things

00:21:38

and in the process I learnt many things. Yeah, yeah

00:21:41

Which because I had to explain to the students in a clear way

00:21:45

and so, I had to deeply think about that and then,

00:21:48

find the applications, the AMIE that I studied was very helpful.

00:21:52

Because at that time, Engineering applications were

00:21:55

there in AMIE Engineering, Electrical Engineering applications.

00:21:59

So, I used to teach the students when they came for knowing

00:22:02

the operations of del and all that, where do you get this?

00:22:04

In Electrical Engineering.

00:22:07

In Hydrodynamics, where do you get that? For Civil Engineering.

00:22:10

So, that is how I used to attract the students

00:22:13

by giving them some practical examples

00:22:16

in their own fields so that is how- That is interesting.

00:22:19

I became a a good teacher. Ok.

00:22:21

And when I joined the department.

00:22:24

I will tell you that there were no,

00:22:27

you the the only slide rule was made compulsory

00:22:30

for the students, the Engineering student must buy the

00:22:32

slide rule at that time. That was 1967, 68 and all that.

00:22:38

And there was a big model slide rule in our department

00:22:42

which was under my custody.

00:22:43

When I joined as an STA,

00:22:44

I they were they asked me to demonstrate

00:22:47

how to use the slide rule for multiplication and all that.

00:22:50

And then slowly, after 2 or 3 year the slide rule became

00:22:54

obsolete and then, you had the CAN calculators.

00:22:57

And when the CAN calculators time, we had Brunsviga.

00:23:00

From Germany, there were in the lab Brunsviga

00:23:04

calculators were there and Faceit, Faceit calculators

00:23:07

and I was appointed there as a person in charge.

00:23:10

And then, the boys used to like it very much because

00:23:13

it has to play with the- Yes.

00:23:14

machines you know?

00:23:16

So, they used to play and come and play and then, do

00:23:19

Mathematics, numerical methods at that time.

00:23:22

So, Professor Subba Rao was also there. Ok.

00:23:25

So, he will give some problems and he will say

00:23:27

Venkatarangan will be in charge, you please go

00:23:29

ahead and learn from you.

00:23:30

So, they used to come, and do numerical methods.

00:23:33

And calculate and all that.

00:23:35

Of course, nowadays, then of course, we had

00:23:38

the computers coming in and after that the Brenziger,

00:23:41

I dont know whether they are in the here or in the workshops,

00:23:44

it must be a somewhere laying idle.

00:23:46

And all that.

00:23:47

So, that is how the progress in the department was there.

00:23:50

Starting from the slide rule up to the laptops

00:23:56

and desktops all those things.

00:23:59

That is how the development took place

00:24:02

and then, the teaching methods also changed

00:24:04

because the numerical method which was being

00:24:06

taught earlier was very slow, but now,

00:24:10

after the advent of the calculator and all that,

00:24:13

it was very quick so, the students also

00:24:17

used to do a lot of problems and then, we could also

00:24:20

proceed to more interesting topics in numerical methods.

00:24:23

That is how the syllabus also got changed

00:24:26

because there is a flexibility of changing the syllabus

00:24:29

by the department after some time in consultation

00:24:32

with the teacher so, we used to change the syllabus

00:24:35

and then, improved some new methods and all that.

00:24:39

So, that was how the teaching pattern also was changing

00:24:43

every time and I used to enjoy teaching in IIT till I retired.

00:24:48

Till the date I retired.

00:24:50

Ok.

00:24:51

So, I have heard a many of your students saying

00:24:54

how passionate you were about teaching.

00:24:57

Yeah, yeah And how they really wish to be a teacher like you.

00:25:01

Yeah, No, I I- I have heard many of your students-

00:25:04

No, no I I think you you are you are also- -telling me.

00:25:06

-student of Professor Nigam. Yes, I am also.

00:25:08

And everything came from him.

00:25:09

Yes, yes.

00:25:09

The way he explained. Yes.

00:25:11

That see the whole concept will be very small.

00:25:14

But the foundations that he lays,

00:25:16

it will lead you wow, what is the next thing,

00:25:18

what is the next thing.

00:25:19

Yes, exactly So, like that it will go.

00:25:21

Yes. And then finally, what he says

00:25:23

will be very easily understood by you. Yes.

00:25:25

Without your knowing, you will understand, this is so simple.

00:25:28

Yes.

00:25:28

So, that is how the whole thing will

00:25:31

So, when some people come to me for Mathematics even now.

00:25:35

I tell them very simple things, example things,

00:25:38

for example, complex variable, the complex integration and all that,

00:25:41

why complex integration, why do you do that?

00:25:44

Laplace transform, why do you study?

00:25:46

First, I tell them the need for studying something.

00:25:49

So, everything has to be studied because

00:25:51

you want to make it simpler so that you can so,

00:25:54

the Laplace transform does only differential equation

00:25:56

becomes an ordinary simultaneous equation which is very easy,

00:26:00

you are very easily able to solve.

00:26:03

So, that is how I create interest. In the students. Ok.

00:26:06

So, how did Professor Nigam’s training to you

00:26:10

towards research help you in the later years?

00:26:14

Yeah of course, yeah because my students also

00:26:18

whenever I was not like Professor Nigam,

00:26:22

I want to tell you very honestly,

00:26:24

but he was such a wonderful man,

00:26:26

he could have four or five research scholars too,

00:26:28

but I used to take only one at a time, concentrate on him

00:26:31

because along with my teaching work,

00:26:34

Yes. it was very difficult for me to go with

00:26:36

the two or three research scholar at a time.

00:26:38

But one at a time, but whenever I used to take a research scholar,

00:26:41

I used to consult him.

00:26:42

And then, I will say sir,

00:26:44

this is the topic I want to give him, I will always consult him.

00:26:47

This is the topic, would you feel that it will be good?

00:26:50

Then he said yes, yes, it is very good, it is very interesting,

00:26:52

you proceed. That is how all the research scholars that I took

00:26:55

I will always take his permission and then say this is

00:26:58

the field in which I want to work and then- Ok.

00:27:02

He will understand that and do that. Ok.

00:27:04

And the last student whom I took was Rajalakshmi by name.

00:27:08

You might have known her; she was the M.Sc. student here.

00:27:11

Ok. And Rajalakshmi worked on Adomian’s principle.

00:27:16

Adomian’s principle of solving equations

00:27:19

and Adomian because I saw in a review

00:27:23

that Adomian had given an idea that

00:27:26

this method will be working in all the fields.

00:27:28

Not necessarily in the field in which he has found it out.

00:27:31

So, I took that and then, Rajalakshmi did work on that.

00:27:37

And then, there was another scholar also Sivakumar,

00:27:39

he also did work on on this.

00:27:41

So, Adomian’s principle.

00:27:43

So, in in a way, he was a motivating factor

00:27:46

and also, a guiding factor even after my Ph.D., he was

00:27:49

guiding me in many ways. Ok, ok.

00:27:52

So, that is. Ok.

00:27:53

Excuse me, when did you get your doctorate?

00:27:56

72.

00:27:58

72. And when did you got promoted

00:28:01

from STA to higher level?

00:28:03

I dont remember,

00:28:05

STA that was about 6 or 7 years later.

00:28:08

As a Lecturer and then, Lecturer to Assistant Professor

00:28:12

and then, Professor I don’t.

00:28:13

Assistant Professor?

00:28:15

Assistant I dont remember the dates, but Ok,

00:28:17

I just want to remind you about one thing.

00:28:21

When Professor Indiresan. Yeah, yeah correct.

00:28:24

Introduced the ferric system.

00:28:25

Yeah.

00:28:26

And I remember, he wanted to have 10 periodicals.

00:28:29

Yeah.

00:28:30

I wanted to tell you that, you were in that meeting. Yeah, yeah

00:28:32

I I want to tell you that also, see Indiresan was a very nice

00:28:35

teacher, there is no doubt about it, but when he came here,

00:28:39

then he had, he wanted to implement some things

00:28:42

which were done at IIT Delhi. Delhi.

00:28:45

and then, we I think you were also there in the meeting

00:28:48

and some students were also, student representatives

00:28:50

were also there and then, he said that from next time onwards,

00:28:54

every week there will be a test for the students in Mathematics,

00:28:57

in Physics, in Chemistry in all the subjects every week.

00:29:00

This week whatever they have learnt, next week

00:29:03

they will have a test in that topic etcetera

00:29:05

like that he was telling.

00:29:06

Then of course, everybody was

00:29:08

keeping quiet because he was a new Director

00:29:11

and he asked what is your opinion?

00:29:13

Then I said sir, if you ask me frankly, I will tell you

00:29:16

otherwise I will keep quiet.

00:29:17

Then, he said you tell me,

00:29:19

you are supposed to be a very good teacher please say

00:29:21

tell me with that, then I opened out and said

00:29:24

sir, there are some topics in Mathematics

00:29:27

which cannot be taught in one week.

00:29:29

It might be one month to finish that.

00:29:32

So, with all your experience, please tell me

00:29:35

what is the topic that is? I said continuity.

00:29:38

Simple topic like continuity, the concept of this left limit,

00:29:42

right limit and then, the students have to understand this

00:29:45

and then, they have to do problems on that

00:29:47

and then only when they have mastered that,

00:29:50

you can ask them questions on that otherwise,

00:29:52

first day left limit, right limit and what will

00:29:54

they know about it?

00:29:56

So, there is no possibility of

00:29:57

having a test in some topics like that every week,

00:30:00

but if it is a month or so it will be good,

00:30:03

and I said in Chemistry also, it is the same thing,

00:30:06

I took was the liberty. I asked Swamy.

00:30:09

Someone tell you I said that.

00:30:11

I said sir, as far as my Chemistry knowledge

00:30:14

is mostly 0, but I will tell you from what I know

00:30:17

the halogen group and all that, there is a halogen

00:30:22

what is that chlorine, bromine, iodine and fluorine

00:30:25

and in this, fluorine is the most active one and

00:30:29

so bromine and iodine it goes on

00:30:31

and you have to study the whole group

00:30:33

and then only have common properties,

00:30:36

differentiating properties and it will take I think

00:30:39

quite a lot of time not one week or so,

00:30:41

it will be more than that and then, the students

00:30:44

who are there, then they said sir,

00:30:46

what Venkatarangan says is right.

00:30:48

So, let us not have weekly tests.

00:30:50

Let us have monthly tests.

00:30:51

He was very angry.

00:30:53

He was very angry, he was terribly angry.

00:30:55

And meeting was adjourned.

00:30:57

And then, the students-

00:30:59

Yeah. -apologized to me. So, they said sir,

00:31:03

you try to raise that hand and then,

00:31:04

it happened like this.

00:31:06

So, they so, anyway, so anyway we didn’t have

00:31:09

that the time periodicals. Ok.

00:31:10

Just usual. So, usual usual otherwise, they every day,

00:31:15

see every week there is a periodical means

00:31:17

they all the days they will be students

00:31:19

will be having periodicals only.

00:31:21

This week on portions on last week,

00:31:23

next week portions of the previous week and then,

00:31:26

final examination and there are many topics

00:31:28

which cannot be covered in one week.

00:31:29

In 3 or 4 lectures, how can you continuity,

00:31:33

differentiability, how will you do do that?

00:31:36

It is very difficult.

00:31:37

Even for M.Sc. students, now

00:31:39

who have understood all those things,

00:31:40

it will be very difficult.

00:31:41

If you ask them to teach.

00:31:42

It will be find difficult, you have to construct

00:31:45

examples and give them.

00:31:46

So, that is what I said. Ok.

00:31:48

And it is nice that you reminded me that was Ok,

00:31:53

then what was your reaction when the system

00:31:56

changed to a semester system?

00:31:58

No, the semester. There was a change, isn’t it?

00:32:00

No, semester system was good,

00:32:01

semester system was never bad.

00:32:03

No, no, I am asking there was a change

00:32:06

from 1 year duration programme.

00:32:09

And to a semester system programme. System programme.

00:32:11

Yeah yeah So, what was the reaction at that time?

00:32:13

No, I I was very happy about that, I was very happy

00:32:16

instead of hanging on completely throughout whatever

00:32:19

for for 1 year.

00:32:21

So, you break it into

00:32:22

two halfs and then, study, there is nothing wrong. Ok.

00:32:25

So, it was welcomed by students also. Ok.

00:32:27

Students also welcomed, and I also welcomed that. Ok.

00:32:30

So, that is quite interesting and so. So, then,

00:32:35

did you stay in the campus sir or?

00:32:38

No, I was staying in the campus only. Ok.

00:32:39

So, what changes do you find in the campus now?

00:32:43

Now of course, it has become slightly crowded

00:32:45

that is what I find, there are lot of buildings

00:32:48

which were not there earlier.

00:32:50

So, at that time how was it?

00:32:51

No, the multi-storeyed buildings

00:32:54

which have come up on this side when I came now, today.

00:32:56

This side I saw some multi storeyed buildings.

00:32:59

They were not there.

00:33:00

And it was quite calm,

00:33:02

and we used to enjoy the open-air theatre picture.

00:33:06

Because at that time, TV’s were not there,

00:33:09

TV programmes were not there.

00:33:11

And if he remembered, we used to enjoy

00:33:14

all the programmes which were given in open-air theatre.

00:33:17

And the college, the hostel functions.

00:33:21

The hostel functions will always be conducted here.

00:33:25

And the hostels will come here and then,

00:33:27

they will give a general entertainment,

00:33:28

we used to go there and sit, mimicries will be there.

00:33:31

Very nice, interesting programmes by all students.

00:33:34

And the students were very much talented I

00:33:37

of course, now also they might be talented,

00:33:39

but still, we were able to appreciate the talents

00:33:41

of all those people at that time.

00:33:42

Because we never had TV or anything,

00:33:44

only this was a recreation which was very nice.

00:33:47

And many people from my relative’s houses,

00:33:49

they used to come here on Saturday

00:33:52

and then, come for the programmes here.

00:33:54

So, they used to enjoy very nicely all the programmes.

00:33:57

Ok.

00:33:58

That was very nice.

00:33:59

And then, another thing also happened

00:34:01

in the mean while we had

00:34:04

Pakistan war or China war I dont remember

00:34:07

and then, 3 year B.Tech. course was introduced,

00:34:09

you remember that 3 year B.Tech.?

00:34:11

Yeah. B.Tech. course, a special special.

00:34:14

For I think this was for 3 or 4 years,

00:34:16

it was continuing and then, we had good experience

00:34:20

with many people who were coming from Army, Air Force,

00:34:24

there used to be a number of people who used

00:34:26

to come there, I used to teach them also. Ok.

00:34:28

Mathematics and so, that was very interesting thing also,

00:34:34

along with the 5 year which became 4 year later.

00:34:36

And then in between, there were 3 year.

00:34:38

Ok.

00:34:39

3 years course, for about 3 or 4 years it was there.

00:34:42

Very nice programmes.

00:34:44

So, those those students must have completed

00:34:46

their undergraduate programme

00:34:48

and. Yeah and then and then comes here.

00:34:49

Yeah, and then come here.

00:34:51

So, graduate B.A., graduates they will be coming and so. yeah

00:34:55

Or science graduates.

00:34:56

Some people were deputed

00:34:57

by the Army, Navy and Air Force. Ok.

00:34:59

They were also here.

00:35:00

They and they had lot of interest also.

00:35:03

Because they have to go back and join the

00:35:05

parent department and all that.

00:35:07

That's why they used to take lot of interest doctor,

00:35:10

professor one was Kala by name,

00:35:12

you I remember most of their names.

00:35:15

So, there were some girl students also who came.

00:35:19

And we enjoyed teaching those

00:35:22

three that was a separate course for them.

00:35:24

So, the syllabus was different and very nice,

00:35:27

interesting courses we had.

00:35:29

So, apart from teaching

00:35:31

and research, have you been a warden of a hostel

00:35:35

or some sports? Oh, no, no I was not ah, but there was

00:35:38

some special programme

00:35:40

for the we can’t call it as

00:35:44

SC/ST, we should not call it now as a SC/ST

00:35:48

special course was there, you remember that?

00:35:51

Sir, scheduled caste.

00:35:52

In B.Tech. in- Preparatory course.

00:35:53

B.Tech. Preparatory course

00:35:55

No, those students who failed in the entrance examination.

00:35:59

And were Scheduled Caste and Scheduled Tribe candidates,

00:36:03

they will have special coaching by the IIT,

00:36:08

those who have not a were not able to get into IIT,

00:36:10

they were called, given scholarships and then, they were

00:36:14

trained here in our institute, institute teachers

00:36:18

used to teach them and then, they will appear for the

00:36:21

entrance exam the next year. Ok.

00:36:22

And then, they will get qualified and come in

00:36:24

so. That was only in Professor Indiresan's time.

00:36:26

That was Indiresan and in and in fact,

00:36:29

I heard that Indiresan was very much upset by that programme.

00:36:32

Yeah. And I you must have heard about it.

00:36:34

It was only in his time that

00:36:36

some where the students were given

00:36:38

that B- B.Sc., Tech or something B.Sc. arts. Yeah, yeah.

00:36:42

yeah, yeah something like that.

00:36:44

So, he was against it completely,

00:36:46

but anyway because of force of circumstances,

00:36:48

he is a very principled man, Professor Indiresan

00:36:51

though in spite of my quarrelling with him,

00:36:53

but still I appreciated him because I was deputed

00:36:56

to Germany Germany and I was here to Peradeniya University,

00:37:01

Peradeniya University for teaching for 6 months.

00:37:05

I was there in Peradeniya University.

00:37:07

And along with me some Professor Venkateshaiah

00:37:09

and Sri Ramalu, all those people there were there

00:37:13

and from Chemistry Department, who was there

00:37:18

I don’t remember, Chemistry nobody came.

00:37:20

Only for Mathematics, Electrical Engineering, and

00:37:23

Bhattacharya also along with the next batch,

00:37:26

he went to some 3 or 4 people were deputed

00:37:29

from our department for the teaching

00:37:30

So, first I was deputed, they said first you send

00:37:33

some good teacher and then, you can continue

00:37:36

for three more semester so, first semester I went there.

00:37:38

And I taught in the Peradeniya University.

00:37:41

Ok. For the students there that was.

00:37:44

So, you said you you were you graduated as

00:37:47

the first batch of M.Sc. students from this institute. Yeah, yeah correct.

00:37:51

So, who were all the faculty members

00:37:54

at that time apart from Professor S. D. Nigam

00:37:57

and Professor S. Srinivasan? D. S. Subramanyam was

00:38:00

one of the faculty, D. S. Subramanyam.

00:38:01

He-he was one of the best teachers.

00:38:05

He was one of the best teachers though many people

00:38:07

do not like him because he never will look upon

00:38:11

look towards the students and then,

00:38:14

he will go on to narrating whatever he wants to say,

00:38:18

teaching them, but only thing is those who are in the

00:38:21

first four or five seats, they will be able to hear him

00:38:24

and the others at the back they never used to hear him,

00:38:26

but he was one of the best teachers that I could do.

00:38:29

In pure Mathematic, he was the best in our department.

00:38:31

And then, S. K. Srinivasan was there.

00:38:34

S. K. Srinivasan at that time, we had an understanding

00:38:38

with people in Matscience.

00:38:41

Professor Alladi Ramakrishnan was the chief at that time

00:38:46

there and Vasudevan was there,

00:38:48

and S. K. Srinivasan is the student of Alladi.

00:38:51

And so, we used to go to Matscience for seminars

00:38:56

and they will come and give seminar in our HSB 237.

00:38:59

Every week there will be one seminar.

00:39:02

So, one Friday, we will have here, one Friday, we will have in-

00:39:06

Ok. So, there were many people who were there,

00:39:09

from our department, there were two people who had joined there

00:39:13

by name Sridhar, who was an M.Sc. student here,

00:39:15

he did his Ph.D. there. Ok.

00:39:17

And then, Sunder, by Sunder is another name

00:39:20

and there was a third student of ours

00:39:23

another Sunder by name

00:39:26

and he is also there, Sunder was there and there was

00:39:29

one more person, they were all top-ranking students here

00:39:32

in Mathematics and they were taken by-

00:39:36

Keshavan.

00:39:37

Keshavan also. Keshavan, Keshavan right, I forgot

00:39:41

Keshavan French yes. Yes.

00:39:42

He was in France for sometimes,

00:39:43

Keshavan. Yes.

00:39:44

Keshavan is the other student,

00:39:45

excellent students, very brilliant students.

00:39:47

Keshavan’s classmate is the other person. Yes.

00:39:50

Sunder.

00:39:52

Sunder I don't know whether he is continuing here or not.

00:39:54

But Keshavan, Sunder, they were all there.

00:39:57

They were so, we had a very good understanding,

00:39:59

we used to go and give that is how I got to Prigogine.

00:40:03

When he came there.

00:40:04

Then Professor Nigam brought him

00:40:05

here and then, he presented my paper. Ok.

00:40:08

So, it was very nice.

00:40:10

Associate and then, we had

00:40:11

associated with the AC College of Technology also.

00:40:14

So, the Mathematics G. N. Ramachandran was there.

00:40:17

G. N. Ramachandran was there and some of his students,

00:40:21

he they used to come and learn Mathematics from

00:40:24

our department so, I used to help them.

00:40:27

So, he G. N. Ramachandran will tell you can help

00:40:31

get the help from these people.

00:40:32

And there was some Electric Engineering

00:40:34

staff member there who were

00:40:35

very much interested in coming and learning something

00:40:37

from our Mathematics Department say they used to

00:40:40

come here and learn and at that time,

00:40:43

when I wanted to ah, when I complete my Ph.D.,

00:40:46

there was no computer here, big computer system here

00:40:51

so, I went to Guindy Engineering College and then,

00:40:54

they used to help me at that time and then, AC college,

00:40:57

both the colleges I used to go and get the time in their computer

00:41:01

and so, there was a quite lot of understanding

00:41:04

between all the three colleges and then, the institute.

00:41:08

Of Mathematical Sciences also at that time.

00:41:11

Professor Vasudevan was there.

00:41:12

You might have heard about him. Yes.

00:41:14

very well-known figure Vasudevan,

00:41:16

Alladi's student and a colleague of him. Yes.

00:41:19

and S. K. Srinivasan’s colleague.

00:41:21

And I worked on his paper.

00:41:24

It was a dissertation at that time, M.Sc.

00:41:27

we had a dissertation also so, I was asked to go to

00:41:31

Professor Vasudevan and then, because there was

00:41:34

Quantum Mechanics which was being taught

00:41:36

in our department by S. K. Srinivasan

00:41:40

so, he said you go, and I worked on Yukawa potential.

00:41:43

Which was Vasudevan’s topic and I in in fact, it was

00:41:47

and I think most of the things were taken from his book,

00:41:50

Vasudevan’s book on Yukawa potential

00:41:53

and he was the external examiner for me.

00:41:54

When for M.Sc. he. Ok.

00:41:56

was there. Ok.

00:41:57

At that time.

00:41:58

So, we used to and there was lot of

00:42:01

other activities also which were happening at that time.

00:42:04

Which I don’t think now it is happening;

00:42:06

Professor Valluri was there.

00:42:08

Professor Valluri was there and he

00:42:13

he was the fracture mechanics man,

00:42:16

fracture mechanics and he used to give talks

00:42:20

and all the staff members were invited for that.

00:42:23

And we used to go there, it was a series of

00:42:26

talks about 10 lectures were there.

00:42:28

And similarly, in Physics Department,

00:42:33

Ramaseshan, Professor Ramaseshan,

00:42:37

who is related to C. V. Raman,

00:42:39

he he used to give talk in the Civil Engineering Department,

00:42:43

and we also used to go and attend.

00:42:45

And Professor Vasudevan of- Metallurgy.

00:42:51

Metallurgy; Metallurgy Department and his brother,

00:42:54

his brother was in Physics Department.

00:42:55

R. Srinivasan. R- R. Srinivasan, R. Srinivasan gave

00:42:59

talks on helium atom, hydrogen and helium atom

00:43:02

and at that time, Professor S. K. was giving a

00:43:05

a lecture to us on Quantum Mechanics

00:43:08

so, all the staff members used to attend,

00:43:09

and we used to go and attend there

00:43:11

and so, we are all students of R. Srinivasan also

00:43:14

at that time, they used to invite all the people

00:43:16

and then, we will go there.

00:43:18

And and another surprising thing which now is not happening

00:43:21

is one of the things at that time;

00:43:24

modern Physics was a topic for

00:43:27

M.Sc. Mathematics students.

00:43:29

I don’t remember; I dont think you remember that

00:43:31

Professor Ramji Rao took the class,

00:43:33

Professor S. Srinivasan, he took classes for us

00:43:37

on Modern Physics on. Modern Physics.

00:43:40

completely Modern Physics they were teaching

00:43:42

and so, we had we used to come to the laboratory also.

00:43:47

So, we used to have laboratory classes also

00:43:49

and we used to perform experiments along with

00:43:51

B.Tech. students, there were some separate place for us

00:43:54

and so, they were all C. K. Narayanswamy was in charge

00:43:57

for us, Professor C. K. Narayanswamy,

00:43:59

he was in charge of us and we used to

00:44:01

like enjoy it very much.

00:44:02

Professor Ramabhadran was there,

00:44:04

Ramabhadran was also there.

00:44:05

So, we used to enjoy and and particularly,

00:44:09

Ramji Rao’s, Professor Ramji Rao’s classes,

00:44:11

Ramji Rao was from Physics,

00:44:13

he used to teach Physics for us

00:44:17

and so, we used to enjoy and then, Quantum Mechanics.

00:44:19

Quantum mechanics was

00:44:21

taught by Srinivasan there in Physics Department

00:44:24

and by S. K. Srinivasan in Mathematics Department.

00:44:28

So, we used to attend the S. K. Srinivasan’s class

00:44:31

and then, Physics students will say

00:44:33

sir, his classes are very good.

00:44:34

R. Srinivasan class, you come attend

00:44:36

so, we will attend his classes also.

00:44:38

So, we used to of course, with his permission,

00:44:41

we used to go there and sit, and learn from Srinivasan.

00:44:44

He was one of the best teacher, R. Srinivasan is

00:44:47

considered to be he was the Deputy Director also.

00:44:49

Yeah. For some time of our institute, one of the best

00:44:52

teachers next to Professor Nigam, they are all in the same line

00:44:56

At that time, there were time rates M. V. C. Sastri

00:44:59

was in your department and Nigam from our department

00:45:04

and Rama- Vijaya Ramachandran in Physics

00:45:09

No, no Physics, Physics Physics was Rama.

00:45:14

Ramseshan, Rama Sastry.

00:45:15

Rama Sastry, Rama Sastry was there,

00:45:18

all the three they used to be

00:45:21

very friendly and your M. V. C. Sastri used to say

00:45:25

in the same wing as we were in the beginning stages,

00:45:29

M. V. C. Sastri lab was, catalyst lab was

00:45:32

in the second floor of our department where our

00:45:34

HOD’s office is there. Ok.

00:45:35

Just on the other side,

00:45:37

Professor M. V. C. Sastri, we used to meet him every day,

00:45:40

every day we used to meet him.

00:45:42

And then, we enjoyed.

00:45:44

So, all the three.

00:45:46

So, we had connections,

00:45:48

inter connections and all that.

00:45:52

So, what about the faculty members who joined

00:45:56

later say in the years of 80. Later I don’t have much of

00:45:59

80’s to 90's. Idea about them.

00:46:00

before you retired in the Department of Mathematics.

00:46:04

Because now, I you know now 20 years have passed

00:46:08

since I retired. Yeah.

00:46:09

I think 20; 20 years I have completed.

00:46:11

97 I retired. 97.

00:46:14

97. So, when I joined,

00:46:15

you were there, Yeah, yeah, that time I retired.

00:46:18

I retired at that time. Ok.

00:46:20

So, I don't know the present I except

00:46:22

Kulkarni. I think Kulkarni is also retiring you know. Retiring yeah.

00:46:26

Kulkarni is shortly retiring, and the

00:46:28

P. V. Subramanium has retired already.

00:46:30

Most of them have retired.

00:46:32

And only one or two whom I know Kulkarni is retiring

00:46:35

and I don't know Thamban Nair?

00:46:39

He is there. He is there.

00:46:41

Yeah. He is there.

00:46:41

So, some two or three people,

00:46:43

but I don’t have much of contact with them.

00:46:45

Ok alright so.

00:46:49

When did you become Professor?

00:46:52

Professor I was in 90. 97?

00:46:55

97. No not 97,

00:46:58

94 or 90.

00:47:01

You retired in 97.

00:47:02

Yeah, yeah,

00:47:03

90; 97 September I retired.

00:47:07

Yeah. But there was a rule that you should,

00:47:10

you can go on till the next academic year.

00:47:13

That is alright that is. That is how 90.

00:47:15

That is not counted. So, 94 or so, 94 or 93,

00:47:19

I don't remember the date.

00:47:21

I was an Associate Professor also.

00:47:23

See we had Assistant Professor,

00:47:25

Associate Professor, Professor like that.

00:47:27

I see.

00:47:28

So, myself and Raghav Rao came through all the steps

00:47:31

not jumping and all that STA, Lecturer, Assistant Professor,

00:47:36

Associate Professor, Professor so, like that all the.

00:47:44

So, you have been engaging all the time in teaching,

00:47:46

what were your hobbies then?

00:47:49

Hobbies of course, I never had I used to enjoy teaching only.

00:47:53

Teaching.

00:47:54

Yeah, yeah even now, I enjoy teaching.

00:47:56

Ok.

00:47:56

Even now, some students come to me from schools

00:48:00

of course, I teach them I say whenever I am here,

00:48:04

you can come, and get my help.

00:48:06

So, those who are known to me and near my houses,

00:48:09

they come and learn for 11th standard or 12th standard

00:48:12

Mathematics and some Engineering College students also come

00:48:15

and asking some doubts about matrices, determinants all these.

00:48:20

So, you whenever I have a free time, I

00:48:23

call them and then, I help them whatever doubts they have.

00:48:26

Ok. I help them.

00:48:28

Ok ok. Where you involved in I mean

00:48:32

teaching students for JEE?

00:48:35

Yeah, yeah,

00:48:35

it was there I will tell you.

00:48:38

See in the beginning

00:48:41

when we were in the campus so, at that time,

00:48:45

people from the campus they had our Director’s sons,

00:48:50

many of our Director’s sons, they used to come to me

00:48:52

and to get a like that and then, there were some other

00:48:55

staff members who were interested and saying sir, we will.

00:48:58

So, at that time, myself, Narayanan and Ramabhadran,

00:49:02

we were asked to help the students,

00:49:05

but the at that time, we had to get the special permission

00:49:09

from the Director because outside we cannot go and teach

00:49:14

in fact, there was one Brilliant Tutorials

00:49:17

you might have heard about that.

00:49:18

Brilliant Tutorials person came Taanu came here,

00:49:22

when I was a teacher here and then, he said

00:49:25

why don’t you come and teach me,

00:49:26

I will give you four times the pay that they are giving you.

00:49:29

I said I don’t want four times your pay and all that,

00:49:32

I don’t want to come there and teach.

00:49:34

Then I-I said if you want any help

00:49:37

go and get the permission of the Director,

00:49:39

Director has to give the permission, then only I can come.

00:49:42

So, he he knew that when he comes to the Director,

00:49:45

Director will not permit so, he went away,

00:49:47

but then, there were some staff members in the institute

00:49:50

whose children and whose relatives children

00:49:52

they were interested in coming and learning

00:49:54

from me and Narayanan and Ramabhadran. Ramabhadran

00:49:58

because there was a of course, I did not want to

00:50:01

go into this earlier, there was a questionnaire by Pandalai

00:50:06

when he was the director and he had asked the students

00:50:10

without mentioning to other staff members,

00:50:14

who are the best teachers in the departments?

00:50:17

So, in each department, each one was selected by the students,

00:50:21

by the the students gave their names and

00:50:24

my name was in the Physics.

00:50:25

Maths Department. Means Mathematics Department,

00:50:27

Ramabhadran's name was in Physics Department

00:50:29

and Professor Narayan’s name was

00:50:31

in the Chemistry Department.

00:50:32

So, I-I know the students

00:50:35

who gave because they were all very good students of mine

00:50:37

in B.Tech. and so, when they gave that name,

00:50:41

then there were he said that by

00:50:45

getting the approval of the senate,

00:50:47

we will present them with some memento and all that

00:50:50

so, that was circulated.

00:50:52

And then, there was a furor because

00:50:55

people said without asking anybody,

00:50:57

how did you ask the students to give

00:51:00

and then only the evaluation of teachers came up

00:51:04

so, then he said if you dont like that

00:51:06

so, let it be on record that these are the

00:51:09

three best teachers, let it be there,

00:51:11

I will not give them any token or anything like that

00:51:15

or presentation memento.

00:51:17

Then, the the other

00:51:19

the questionnaire came and then, there you

00:51:22

we were asked to give to the students and

00:51:24

get their response and all that that is how

00:51:26

it went on and at that time also,

00:51:29

myself, Ramabhadran see we were we were

00:51:32

teaching not for the sake of anything;

00:51:35

it was only because of pleasure in teaching.

00:51:37

And so, the staff member all of them they said that

00:51:40

they should be permitted to take classes at least for us

00:51:43

and Professor Pandalai's son was my student also,

00:51:46

he was there and he used to come and study with me,

00:51:49

many of the students the Kuriacose daughter

00:51:53

and your Rajaram, Rajaram’s two sons who were in America,

00:51:57

they came to me and they were learning

00:51:59

from me for JEE, they were coming.

00:52:02

And other some some staff members

00:52:04

here who were Mechanics and all that their sons used to

00:52:06

come and so, I was teaching them free,

00:52:09

but then, when they said that you should not be stopped,

00:52:12

then they were we said go and ask the Director because

00:52:15

there people are saying that we should not take.

00:52:18

So, the Director said we give permission to the three

00:52:22

to teach, but only thing is they should not go for setting

00:52:27

of question paper or correction of JEE examinations.

00:52:30

That's what the Director gave a ruling.

00:52:33

So, of that time, we started helping again

00:52:37

so, people knew about that.

00:52:38

So, that was how it was stopped and started again.

00:52:43

It was there.

00:52:44

So, what about your children,

00:52:46

what are they doing? Yeah, my son is a student of

00:52:50

your husband Vivekananda College, he did his B.Sc.

00:52:54

and he joined IIT for Mathematics and he got

00:52:59

the Governor’s medal in the year 92,

00:53:02

he passed out of M.Sc. Mathematics; M.Sc. Mathematics

00:53:05

and he is now the Executive Director

00:53:08

of Morgan Stanley in United States of America in New York.

00:53:14

So, from 92, he has shifted there, and he got his Ph.D.

00:53:17

from New York University and he is working on

00:53:22

Financial Management now.

00:53:24

Ok.

00:53:24

Near the time square in New York,

00:53:26

he is there as the Executive Director.

00:53:29

Nice. And my daughter is a Mathematics graduate

00:53:34

from Queen Mary’s College.

00:53:37

And she is the university first in Mathematics.

00:53:40

In that in the University of Madras

00:53:43

and she got all five centums in the subjects

00:53:48

complete and that is the university, first rank all through.

00:53:52

Oh very nice.

00:53:53

All the five subjects in the final year, she got centum.

00:53:56

Ok. In the Mathematics and she is

00:53:58

now a freelancer in Mathematical training.

00:54:00

And she is working in Bombay,

00:54:02

going to different places in the world, she is there,

00:54:05

and she is married to you you must be know him

00:54:13

there was a STA in a ; there was a STA Senior

00:54:18

Technical Assistant in Electrical Engineering Department

00:54:23

and his son is Kothandaraman Ok.

00:54:26

I have forgotten his name; he is no more;

00:54:28

he is no more he was.

00:54:30

So, so all the students of my and my grandson,

00:54:36

he is now with Sunder Pichai in Google.

00:54:41

Ok.

00:54:42

Google.

00:54:43

He has got his doctorate in Mathematics.

00:54:46

In Cornell University Ithaca.

00:54:48

Ithaca Cornell University,

00:54:50

he is there and. Very nice.

00:54:52

my daughter in law is with

00:54:54

Facebook Company there.

00:54:58

So, that is why it is still continues.

00:55:01

Yeah, in spite of me.

00:55:04

Yeah, so very happily.

00:55:07

Yeah, yeah tree of Ok,

00:55:09

the love for Mathematics, passion for Mathematics. Mathematics.

00:55:12

It still continues. Venkat Sir, you have been working for

00:55:18

the past 4-5 years, I mean we have been there for

00:55:20

the last 4 years; my granddaughter was the student

00:55:23

M.Sc. Mathematics. Ok.

00:55:25

She passed out in I think 2016.

00:55:30

2016. She did her fourth semester in Denmark, Copenhagen.

00:55:34

Ok. Her name was Parvati Thilakkan.

00:55:38

Ok. And now, she is throwing her Ph.D. in doubling.

00:55:42

[FL] doubling. M.S. there. Financial Mathematics.

00:55:47

Financial Mathematics. Yeah, yeah

00:55:48

Ok nice. That is how Mathematics connection.

00:55:53

Yeah, yeah Similar did not study in IIT Madras. [FL].

00:56:01

Do you have any suggestions

00:56:04

and advice to younger generation?

00:56:06

You know I don’t have any,

00:56:09

the only thing that I tell everybody is.

00:56:11

That no student is bad in Mathematics,

00:56:14

every student is equally good, only thing is

00:56:18

in the 4th standard to the 7th or 8th standard,

00:56:22

if there are good teachers who teaches them.

00:56:24

That is the stage where they get the fear in Mathematics

00:56:28

and what they do is whenever you give a problem,

00:56:31

they try to solve and look at the answer

00:56:33

and if the answer is correct, they leave it.

00:56:35

And if the answer is not there, they

00:56:36

change the 7 in the numerator and

00:56:38

4 denominator and then, go on changing it and

00:56:41

and that is how they get the fear,

00:56:44

the fear in Mathematics can be completely removed

00:56:47

if the education from the 5th standard onwards

00:56:50

to the 8th standard is taught by very good

00:56:54

and enthusiastic Mathematics teacher.

00:56:57

If it is done, no student will think about

00:57:01

fear in Mathematics.

00:57:02

That is my sincere opinion.

00:57:05

You; you have not you are written any textbooks?

00:57:08

No, I have not written, I have not; I will tell you

00:57:10

the reason why I don’t want to write the textbook.

00:57:14

The reason why I don’t want to write the textbook is

00:57:17

you you can impress the student, make him understand

00:57:21

it nicely when you are in one to one contact with him,

00:57:25

one to one contact, not one to two and one to three.

00:57:28

One to one contact if you have, the students will definitely

00:57:31

understand whatever you say, but if it is one to many,

00:57:34

then it is not possible and it can always be done

00:57:38

and I have got number of examples of students

00:57:41

who have done extremely well,

00:57:43

I I will tell you about an example

00:57:45

There was one student at Bombay

00:57:48

where my daughter is staying,

00:57:50

I used to go there in the vacations from

00:57:52

in IIT quarterly vacation, half year vacation,

00:57:54

I would go there for 15 days and that

00:57:56

boy was not good in Mathematics so, his

00:57:59

mother who was a colleague of my daughter,

00:58:01

she brought the her son to me and then said sir,

00:58:04

5th standard, he is finding it difficult.

00:58:06

So, whenever I used to go there,

00:58:07

this fellow will come for 5 days or 15 days

00:58:10

or 10 days and you know, he has got the

00:58:13

Harvard’s best medal in Mathematics.

00:58:16

Very recently.

00:58:16

Harvard’s best medal in Mathematics,

00:58:19

Harvard Universities and you know what has happened is

00:58:22

that fellow is very weak in other subjects

00:58:24

in English particularly and so, they

00:58:28

failed him and they said that this fellow cannot be

00:58:31

given, then they said as a special rule,

00:58:34

English is not going to matter much in Mathematics

00:58:36

though of course, he has to understand,

00:58:38

but he has done very good work in Mathematics

00:58:41

and so, we should be he should be given.

00:58:43

So, that is how he got the this last year or so.

00:58:46

He got that and then, he thanked me from there.

00:58:50

So, that boy from the 5th standard onwards

00:58:53

right up to the 12th standard, after that

00:58:55

he has gone Abroad, to the 12th standard,

00:58:58

he has been continuously getting my help

00:59:00

and I will always teach him in such a way that

00:59:02

it is a topic which is quite logical,

00:59:05

there is no question of mugging up anything or anything,

00:59:07

it is just logical, from this you get this,

00:59:10

from this you get this that is all.

00:59:12

So, that boy he used to appreciate

00:59:15

and then now, he has got.

00:59:17

So, like that there were four or five examples

00:59:19

of mine where students have done extremely well.

00:59:22

Even when I went to America now,

00:59:24

my old students had come and they have

00:59:26

thanked me for teaching them in Mathematics

00:59:28

because they are teaching Mathematics

00:59:30

to the students there, see that is the

00:59:33

so, I-I used to enjoy that very much

00:59:36

because whatever you have, if you transfer it,

00:59:40

then automatically they will pick up.

00:59:42

It's a nice subject, I don’t say that only

00:59:44

Mathematics is, but Mathematics because I know it,

00:59:47

it is such a nice subject and I don’t remember anything

00:59:49

now, I tell them very honestly, I don’t remember anything,

00:59:52

but only thing is the way it is derived,

00:59:54

I remember that. That is how you can make them

00:59:58

rid of the fear of Mathematics.

01:00:01

Ok.

01:00:02

That is. Are you invited to give lectures of the NPTEL?

01:00:07

NPTEL.

01:00:09

No, NPTEL, I am not associated,

01:00:10

I think P. V. Subramanyam is associated with that,

01:00:12

but I I was not because I-I was never here in station.

01:00:17

Yeah, yeah of course, that was started after your retirement.

01:00:19

After my retirement yes, yes yes. Recently.

01:00:23

P. V. Subramanyam; P. V. Subramanyam was giving. Was given.

01:00:25

I think that was. Many of our faculty members have given.

01:00:28

Yeah, yeah that is right, I was I retired; I retired much before that. Ok.

01:00:32

Much before that I retired and then, I was in States,

01:00:35

every year I used to go, 6 months I will be in States

01:00:38

and 6 months here and when I go to States,

01:00:41

students will come from the Hindu temple there,

01:00:44

there is a Hindu temple in New York

01:00:46

and you say that Venkatarangan,

01:00:48

Professor Venkatarangan has that come here

01:00:50

so, alumnus of IIT if they want to meet him, they can come.

01:00:54

So, I will put that and then, there will be some

01:00:56

students from Pakistan, from South Korea,

01:01:01

they will all come to me with Mathematics books.

01:01:03

Sir, please teach me this, you will be surprised,

01:01:07

in America in Queen’s when I my son was there

01:01:10

so, he will put an advertisement by saying that this is

01:01:13

my father who has come from IIT Madras,

01:01:17

he was a Mathematics teacher and then,

01:01:19

those alumni who had been associate with him,

01:01:22

they can come and meet him in this address.

01:01:23

And the alumni will come, along with them,

01:01:26

there will be some people who will be coming,

01:01:27

and I used to teach Pakistanis.

01:01:29

I used to teach Pakistanis and South Korean students.

01:01:32

Yeah, yeah, yeah.

01:01:32

Korean students are good in Mathematics.

01:01:34

Extremely good in Mathematics,

01:01:35

their standard is very fine, extremely good

01:01:38

and they used to come and enjoy

01:01:40

and there was a very good school in New York

01:01:42

and just one student came to me

01:01:44

and there was some wrong question in the question paper,

01:01:46

I pointed out and I said this must be the correct question

01:01:50

so, you go and tell the teacher you please correct this.

01:01:52

And then, when he said that then you know the next day,

01:01:55

some five students come to me from the same school

01:01:58

saying sir, you please help me along with this boy,

01:02:01

you can help me and when I went to Dubai,

01:02:05

there was some student who was very weak in Physics.

01:02:08

And Physics is nothing but Mathematics mostly

01:02:11

your dynamics, statics and all that so, I used to go

01:02:14

and teach there that particular student

01:02:17

and then, he was very much interested

01:02:19

and you know he got 100 marks in Physics

01:02:23

in the next examination.

01:02:26

So, what I want to say is that if you take interest

01:02:29

in teaching, automatically that interest will definitely

01:02:33

create some flutter in the students. Ok.

01:02:36

And they will definitely, remember you. Yeah, yeah

01:02:39

That is.

01:02:39

One doubt from both of you.

01:02:41

Yeah. Has the

01:02:43

Astrophysicist Professor Chandrasekhar. Yeah, yeah

01:02:47

Has he visited Mathematics Department

01:02:49

after getting the Nobel Prize?

01:02:52

He to the our department you mean?

01:02:54

Yeah. He came here. He came.

01:02:55

Chandrasekhar was he,

01:02:56

don’t you know? 82 he came.

01:02:58

Yeah, yeah. That time he had not got the Nobel Prize.

01:03:00

No, Nobel Prize was given to him,

01:03:02

but it was proposed and then, it was given to

01:03:04

him next year or year or later.

01:03:06

83. Yeah, yeah, it was

01:03:07

in Physics lecture theatre, he gave a talk, I was there.

01:03:10

No, no it seems he seems to come again in 89.

01:03:13

89. And Physics Department seems to have arranged the seminar.

01:03:17

And Professor Majhi was telling.

01:03:19

Photographs were taken by the department.

01:03:22

I was not able to confirm it.

01:03:25

No, but he was there, I-I attended that meeting also

01:03:28

because I I had studied the book of Chandrasekhar,

01:03:31

there is a book on Stability. Stability.

01:03:33

Stability theory, there is a.

01:03:34

Yes. Big book on Stability theory, such a wonderful book.

01:03:36

Yes. So, because I had to take some problems from that

01:03:39

so, I worked in that book,

01:03:42

I had took some examples from that book

01:03:44

and then, I solved some problems using what is called as the

01:03:46

local potential method developed by Prigogine in Mathematics.

01:03:51

See this is how it happened.

01:03:55

I see. So, Chandrshekar has worked in astronomy also.

01:03:57

Yes sir, yes. Astronomy, black hole theory and all that way.

01:04:02

Ok. Yes,

01:04:06

So. I don’t have any other-

01:04:09

So, do you would you like to share some more experiences.

01:04:12

No, no not specially because I have already, I think

01:04:15

taken a lot of time.

01:04:17

Thank you very much.

01:04:19

Thank you. It was wonderful talking to you and we really-

01:04:22

In the last 50 to 60 minutes.

01:04:25

We really had seen and known the golden days of your career.

01:04:31

Yeah, yeah In Mathematics Department and this institute,

01:04:34

Thank you very much. Thank you,

01:04:35

thank you. Thank you all very much. Thank you.

Oral History Project

< Back

Ms Shobha Sharma in conversation with Mr Joseph Thomas

Oral History Project

< Back

Mr A.N. Narayanswami in conversation with Mr Kumaran Sathasivam

Oral History Project

< Back

Prof. Ashok Jhunjhunwala in conversation with Prof. Devendra Jalihal Episode 1 Part 1 of 3.

About the Centre

Overview

< Back

Mr. Kumaran Sathasivam

Mr. Kumaran Sathasivam

About the Centre

Overview

< Back

Prof. P. Sriram

Prof. P. Sriram

About the Centre

Overview

< Back

Prof. Ajit Kumar Kolar

Prof. Ajit Kumar Kolar

Subscribe to