Hello Aspirant

For IIT jam you can refer some of the following books listed below

1.Linear algebra Sheldon Axler

2.Linear algebra samvedna publications

3.calculus Gorakh Prasad

4.vector calculus by Murray

5.Mathematical analysis by Binmore

6.Real analysis HL Royden

7.Differential equation GF Simmons

8.A textbook on statistics  C A  Weatherban

9.Solved paper by arihant publicantions

I hope this helps

Regards!