You can consider below names as these colleges/universities considered to be decent to pursue M.Sc in Physics -

University of Delhi, Delhi

Jawaharlal Nehru University, Delhi

Banaras Hindu University, Varanasi

Pune University, Pune

University of Hyderabad, Hyderabad

Jadavpur University, Kolkata

University of Calcutta, Kolkata

Panjab University, Punjab

Jamia Millia Islamia, Delhi

Gauhati University, Guwahati

Presidency University/ Presidency College, Kolkata

St. Xavier's College, Kolkata

Presidency College, Chennai

Madras Christian College, Chennai

Loyola College, Chennai

St. Anns College for Women, Hyderabad

Christ University/ Christ College, Bengaluru

St. Xavier's College, Mumbai

Fergusson College, Pune

BITS Pilani, Pilani

Vellore Institute of Technology, Vellore

St. Stephen's College, Delhi

Hindu College, Delhi

Hans Raj College, Delhi

Note : The above provided names are not given on the basis of ranking.

Good Luck!!!