Hello Pooja,

Here is the list of some good books that you can refer for your MSc. Physics entrance exam:

1. Atomic Physics by S.N. Ghoshal

2. Vibrations & Waves by Anthony French

3. Fundamentals for Molecular Spectroscopy by Colin Banwell and Elaine Mccash

4. Introduction to Atomic Spectra by Harvey Elliott White

5. Electricity and Magnetism by JH Fewkes & John Yarwood

Hope it helps.

Good Luck!