Hi Sreechari,

There are various good colleges in India but you are asking for Karnataka.So,In south side the best colleges for M.Sc In Physics are as follows:-

1-Manipal University.

2-Christ University.

3-The Oxford college of Science,Banglore.

4-Karnataka state women's university,Bijupur.

5-Nitte University.

6-University of Mysore.

7-Central university Karnataka.

8-M.S. Ramaiah.

9-NIE,Mysore.

Hope this will help,Please feel free to ask if you have any further queries.

Thank You.