Hi Sukanya,

You should prefer the following books for preparation of Chemistry for IIT JAM Exam:-

• Physical Chemistry by Thomas Engel & Phillip Reid
• Basic Physical Chemistry by Peter W. Atkins
• Organic Chemistry (Vol-I)-I. L. Finar
• Organic Chemistry (Vol-II)-I. L. Finar
• Inorganic Chemistry-J. E. Huheey
• Inorganic Chemistry-Meissler & Tarr

You may refer to this article for more topic-wise books for IIT JAM Chemistry Preparation.

I hope this information helps you.

Good Luck!