Dear Rakshitha,

There are many prestigious colleges in Karnataka for M.sc.(Master of Science), some of them are listed below:-

1. National Institute of Technology(NIT)
   Add- Surathkal, Mangalore, Karnataka.
2. Manipal University- Manipal Academy of Higher Education
   Add- Manipal, Karnataka.
3. Christ University(CU)
   Add- Bangalore, Karnataka.
4. The Oxford college of Science
   Add- Bangalore, Karnataka
5. St. Josephs College
   Add- Bangalore, Karnataka.

These are the some of the best colleges in Karnataka.

Hopefully this answer is  helpful to you.

Thank You!