M.Tech

Batu is the best for mechanical engineering. The college is famous for its staff and almost all the professors from mechanical are having deep research in their fields. So you can opt for BATU. Rest are not the best ones.

No, it's impossible to do ME/M.Tech after B.Sc (IT)/B.Sc. The minimum EQ for ME/M.Tech is B.Tech. B.Tech with a GATE score or MCA or M.Sc (IT, CS, Electronics, Maths) and you have appear in their entrance exam for this purpose.

If you wish to make a career in teaching after M.Tech then you need to go for Ph.D for a long term career growth.

You are advised to clear NET examination and register for PhD to full-fill your dream.

M.Tech. Civil Engineering or Master of Technology in Civil Engineering is a postgraduate Civil Engineering course. You can only do M.tech in Civil Engineering. Civil Engineering program includes designing, supervision and construction activities of public works like roads, bridges, tunnels, building

If you want to continue your further studies or want a job in PSU, then go for M.Tech.