M.Tech

You can give GATE in any stream irrespective of your branch, but will only get an M.Tech admission in that particular branch in which you have written your gate. But, you will not get a job in PSUS, because in PSUS, if you want to get a job as mechanical engineer you need to have a degree in mechani

To get admission, you need to appear for TANCET.

Your profile says you are a student of B.Tech. If you are asking for a friend, It is not possible to do Engineering after Non-Engineering UG course. M.Tech after BCA is not possible.

Yes, you can get admission for M.Tech without GATE exam.

No, you can't take admission for M.Tech after B.Sc. You will get admission in direct second year of B.Tech, then after you can go for M.Tech. For M.Tech, BE or B.Tech is must to take admission.

M.Tech in Industrial Safety and Hazards Management or M.Tech in safety and fire engineering will be the best options for you
Colleges:
https://www.shiksha.com/engineering/course/m-tech-in-industrial-safety-and-hazards-management-college-of-engineering-anna-university-ceg-guindy-guindy-Chennai-271685

Check out the college / course reviews below:
https://www.shiksha.com/college/rvr-and-jc-college-of-engineering-guntur-19405/reviews?course=237386&sort_by=year of gradution&type=question
(Copy paste the entire link on the browser)

Hi,
There is no such information available on the official website of the college. You can get in touch with the college directly for detailed information.
Please find the link below:
http://www.cadmaxx.com/contact-us/