Rajarshi, if your query is about the books which can help in the preparation for the IIT JAM PHYSICS, then here is a list of few books which you can refer to for your preparation and which may help you in getting a good score in the exam:--

INTRODUCTION TO ELECTRODYNAMICS by DAVID GRIFFITHS

ELECTRICITY AND MAGNETISM by B GHOSH

QUANTUM MECHANICS by MC JAIN

CLASSICAL MECHANICS by KEPLER OR BARCLAYS AND HJ PAIN

OPTICS by GHATAK AND SUBRAMANYAM

SEMICONDUCTOR AND ELECTRONICS by GAYAKWAD AND BOYLESTED

MOLECULAR AND ATOMIC PHYSICS by RAJKUMAR AND WHITE

MATHEMATICAL METHODS FOR PHYSICS AND ENGINEERING by RILEY, HOBSON AND BENCE

If you want to know about all the books which you can refer to for IIT JAM PHYSICS and also the preparation strategy for it to score good marks, then you can visit the following link

https://university.careers360.com/articles/how-prepare-jam-physics