Hi Aspirant,

Good to see your interest in IIT JAM.Some of the books with basic preliminary knowledge will surely guide you a lot in cracking the examinations.Some of the books i am listing below.In this covid situation if your are having problem in purchasing the book you can directly order from the sited mentioned in bracket.

Some of the books are:

• Post Graduate Entrance examinations in Physics by Arihant publishers.(Amazon)
• JAM Physics for IIT JAM (Flipkart)
• IIT JAM Physics Solved Papers in Flipkart.

If you practise previous year's paper it would be really beneficial as it would help you to understand the pattern of the questions that come in IIT JAM.

• Physics by Khanna Editorial Team(Amazon)

Hope these books help!!