Hi,

According to me these are the best colleges which offer BSc Physics :-

1. St. Stephen’s College, University of Delhi
2. Presidency University, Kolkata
3. Ramakrishna Mission Vidyamandira, University of Calcutta
4. Jadavpur University, Kolkata
5. St. Xaviers College, University of Calcutta
6. Ramakrishna Mission Residencial College, Narendrapur
7. St. Xaviers College, Mumbai
8. Scotish Church Colege, University of Calcutta
9. Hans Raj College, University of Delhi
10. Chennai Mathematical Institute, Chennai

For more information, visit - https://university.careers360.com/colleges/list-of-bsc-in-physics-universities-in-india

Hope this helps.

Good luck.