M.Sc

Hello Vipin,
The link below gives you the list of top colleges for M.Sc courses in India :
https://www.shiksha.com/science/articles/top-10-bsc-msc-colleges-in-india-blogId-13473

Check universities in Singapore, UK, Netherlands, USA, Germany, China and Canada.

It is total depends on you. If you want to get a job in a higher secondary school, you can go for B.Ed.
On the other hand, for further studies/becoming a teacher in college, you should go for MA.

You can go for biotechnology if you have a good knowledge regarding your subjects or you can prefer law for UPSC.

If you are a high school student or high school graduate, your first step toward becoming a counselor will be to pursue an associate's or Bachelor's degree. A psychology degree or human services degree make excellent options, however, it is not required that you earn your undergraduate degree in one of these fields.

A Bachelors (10+2+3) degree (Major/Honours) or equivalent from a recognised University, in any discipline, with a minimum of 50% marks or 5.5 CPI in a 10-point scale (45% marks or 5.0 CPI in a 10-point scale for SC/ST/PD candidates) in major/honours only.