Colleges in Chennai

As the fee is not disclosed by the college, I would request you to contact the college officials.

Yes, you are eligible.
The eligibility is Bachelors degree in Information Technology/Computer Science/ Physics/ Statistics /Electronics or equivalent examination with at least 45% marks in aggregate from a recognized university.
B.Tech./BE degree holders in Computer Science/Informational Technology ar

Hello,
In Loyola College, Chennai, for 3 years duration of B.Sc. Physics course fees is 1.44 Lacs. Eligibility
Candidate must have passed 10+2 with the following subjects:
1. Mathematics 2. Physics 3. Chemistry 4. Any other
and if your academic performance is excellent then you don't need any entrance.

Anna University is completely different from IITs. Anna university is state technical university of Tamil Nadu in which 95% of Engineering colleges are affiliated to it. But IIT are governed by MHRD directly. And placement depends on the college not on university.

Yes, he can apply for sociology.

No, there is no such procedure.

I am not sure but please check 12th score requirement because I think it might be above 60%.

Indian Maritime University is a central university. Placement in IMU is good, both, abroad and Indian companies recruit students from IMU with good salary packages.