Hello there,
Biotechnology is an emerging field and it has a very good scope in near future. Here are some good colleges that offer MSc biotechnology :
1. St. Xavier's College, Mumbai
2. Loyola College, Chennai
3. Chandigarh University, Chandigarh
4. Christ University, Bangalore
5. The Oxford College of Science, Bangalore

These colleges offer MSc biotechnology. You can apply in any of these colleges as per your choice.

Hope this answer helps you.
Good luck!!