Hey.

Here  is a list of all good books topic wise for preparation of IIT JAM.

Mathematical Methods:

Schaum's Outlines series

Mathematical Methods for Physics & Engineering: Riley, Hobson & Bence

Mechanics and General Properties of Matter:

 Quantum Mechanics - By Zetili / Griffith / Schaums

Series Quantum Mechanics - MC Jain

Classical Mechanics- Kepler or Berclays, and HJ Pain  

Oscillations, Waves and Optics:

 Optics - By Ghatak/ Brijlal and Subhramanyam  

Electricity and Magnetism:

 Introduction to Electrodynamics: David J. Griffiths

Electricity & Magnetism: B.Ghosh

 Kinetic theory, Thermodynamics:

Thermodyanmics- Zemanski Dittman, Saha Srivastava/ F. W. Sears and G. L. Salinger

Modern Physics:

Molecular and Atomic Physics - By Rajkumar / White

 Solid State Physics, Devices and Electronics:

 Solid State Physics - By Kittel / M A Omar / S O Pillai

Semiconductor and Electronics - By Boylested /Gaekwad     

Best of luck!