BEFORE GIVING ANY PSU INTERVIEW I SEARCHED A LOT FOR THE QUESTIONS ASKED BUT I ALWAYS GOT INSUFFICIENT QUESTIONS. SO THIS IS MY ATTEMPT TO BRING YOU PERSONALLY EXPERIENCED QUESTIONS. I ALWAYS UPDATE IT BY GATHERING INFORMATION FROM FRIENDS TOO.

SO DO COMMENT AND FOLLOW ME FOR MORE EXPERIENCES AND VARIOUS INFORMATION.

MTECH ADMISSIONS INTERVIEWS IN VARIOUS IIT'S THROUGH GATE.

Thursday, March 14, 2019

 Mtech Admission Interviews.


   Hello everyone ,
I just don't want to disclose my name so I'm posting it anonymously. Currently I'm working in BSNL as JTO. I qualified GATE 2017 (EC) with score 720 and all India rank of 850.
   With this score and rank I applied to old IITs like IITD,IITK,IITKGP. I would like to share my experience of interview taken for the Mtech admission at these old IITs.


Sourabh Patil (IIT Bombay Mtech communication systems) Mtech admission test and interview.

  • IIT Delhi ( Communication Systems)
Questions related time shifting, frequency shifting.
Significance of causality and asked to explain sampling theorem.
Decimation and Interpolation of sampling rate. After that they had given me a question related sampling rate. I remember the question.
Q. If sampling rate of CD is 44000and the device reads at the rate of 110kbps then the rate at which we have to apply interpolation and decimation?

I answered,"5 times interpolation followed by 2 times decimation."

Some questions related to modulation techniques like frequency and phase modulation using capacitor. Explain differentiation block.

Difference in equations and block diagrams of frequency and phase modulation.

Then they asked personal questions regarding family background and all.
Interview lasted for about 20 minutes.
I was selected.


  • IIT Kanpur (VLSI)


Questions related to transistors i.e. significance and use of transistors.


Q.How can we affect output resistance without internal changes?

My answer was , by applying external to Vcc or ground either at collector or emitter junction respectively.
Same question for input resistance also.

Now they asked questions on my Btech project.
After that asked ," Which is your favourite topic in mathematics? "
I said probability. Then they asked to explain conditional probability. A question was given to solve which was exactly similar to one of previous year GATE conitional probability question.
Then a question on double integration and GREENs theorem.
 I got selected here too.

Also I got direct admission in IITKGP.
For Mtech+Phd program.

In my opinion the main reason I got these many calls from IITs was in year 2017 so many vacancies in PSUs. Only BSNL had 2000 vacancies hence most of the candidates headed towards PSUs.

My suggestion to you guys just read and revise till the last day. For further queries you can mail me.


iammrg456@gmail.com

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