B.Sc

If you want to shift your college. It is possible in beginning of 2nd year. Contact your department teacher in charge and college. You have to talk in both concerned colleges they will tell you the procedure. The college you want to change with should also be willing to take you. Share your problem

Hello,
Yes, B.Sc Physics is there in the Sandip University.

You may try for post graduation and after that by qualifying NET or SET . You eligible to become a professor.

Hello,
Yes, you have chances after completing with Physics, Maths, and CS, but for navy entry you have to clear their entrance exams.

Hello,
Both are good streams. You have to choose with your interest in specific subject. But, you have to do PG.

Hello,Now a days, there is wide scope in the field of Information Technology. So, it is better to do B.Sc in IT.

To know about the fees, you need to contact the college officials on the numbers provided in the link: http://www.psgcas.ac.in/

I would suggest the best courses as M.Sc. In operation theatre technology as you would have already studied the basics of it in your graduation hence it would be the most relevant stream for you. Please click below for your reference:
https://www.shiksha.com/science/course/m-sc-in-operation-theater-t

Please explain your question for better understanding, as the college you have added in tag is different from what you have posted in the question.

Quantum University is way better than other Universities. You should probably opt for B.Sc in Quantum University, as it has better placement, learning and better student mass.