M.Tech

Many things can be done after B.Tech and M.Tech but that many things depend upon what option you will choose in order to pursue your further education. So, let's take the first case, you have done your B.Tech in mechanical engineering and you have done it from a university then you could have got good campuses and good knowledge too. And later on, you have opted for your favourite course in mechanical engineering. This is the best part. Now, I was telling you about other cases.
001. You can appear for many governments. exams and State Central Board Exams (Bachelor Qualification).
002. You can appear for GATE and plan your career.
003. You can approach various campuses and get placed in which stream you are willing for.

Top colleges offering M.Tech in sound engineering are:
1) IIT Kharagpur
Course:- M.Tech in Media and Sound Engineering
2) ZEE Institute Of Media Arts (ZIMA) Mumbai
Course:- Sound Engineering - 9 months
3) National Institute of Film and Fine Arts NIFFA, Kolkata
Course:- Certificate in Sound Recording and Editing
4) Government Film & Television Institute in Bangalore
Course:- 3 year Diploma in Sound Recording & engineering.
5) Film and Television Institute of India, Pune
Course:- Post Graduate Diploma in Sound Recording & Sound Design
6) Digital Academy The Film School Mumbai
Course:- Sound Recording & Engineering Course
7) Department of Music, University of Mumbai
Course:- Six Months certificate course in - Sound Recording and Reproduction Course (SRR)
8) College of Applied Science, Vadakkencherry
Course:- Post Graduate Diploma in Audio Engineering
9) Biju Patnaik Film and Television Institute Cuttack
Course:- Diploma in Sound & TV. Engineering
10) Sri Aurobindo Centre for Arts and Communication, School of Arts New Delhi
Course:- Sound Recording & Design
11) Department of Film & TV Studies, Bharatiya Vidya Bhavan New Delhi
Diploma in Video Editing and Sound Recording (EDT)
12) CRAFT Film School
Course:- Post Graduate Diploma in Sound Recording & Audio Engineering
13) ARM Academy of Radio Management
Course:- Certificate in Sound Recording & Radio Production
14) Asian Academy of Film & Television
Course:- Video Editing & Sound Recording - 3 months programme.

Hi Sayyada, The NET exam is organized for more than 84 subjects through UGC NET and CSIR NET. The Science stream candidates can apply for CSIR NET while other stream candidate can apply for UGC NET. The purpose of both exam is same that is to determine the eligibility of the candidates for assistant professor [posts in colleges and to pursue Ph.D. and for junior research fellowship. Of course, the NET will be helpful for admission in Ph.D. The NET qualified candidates are allowed to apply for the lectureship, research or Ph.D. without any exam and selected based on personal interview. Check out the complete information about the CSIR NET though - https://scoop.eduncle.com/csir-ugc-net-exam-date-notification -visit here!
The minimum eligibility criteria to apply for NET exam is post graduation degree. For NET Lectureship there is no age limit while candidates must be below 28 year for NET JRF. Please visit the official website or notification for more information in details, Hope it will help you. All the best.

Ph.D. in Physics: Eligibility
As a minimum criterion for eligibility, aspiring candidates need to meet the following minimum eligibility criteria:
M.Phil. Degree or M.Sc. In Physics or Material Science
A minimum aggregate score of 60% or equivalent CGPA (relaxed to 55% or equivalent CGPA for SC/ST) at the level of post-graduation
Qualification of any of the following national level tests in Physics in the last 2 years from applying to the course:
CSIR/UGC-JRF or CSIR/UGC LS with rank less than or equal to 200
JEST/GATE with rank less than or equal to 300. Selection is based on the shortlisted candidates performance in the round of personal interview
if you wish o know about TIFR GS click below
https://www.shiksha.com/university/tata-institute-of-fundamental-research-Mumbai/tifr-gs-exam.