Hi aspirant...!

hope you're doing great....!

so with regard of you're query.  there are many books for preparation. firstly, I will suggest you use NCERT BOOKS as much as possible. for all the three subjects.

Now I am giving you a list of books for individual subjects so you can go through it in you're preparation.

PHYSICS:

• NCERT Textbooks
• Concepts of Physics Vol I and II by H.C. Verma (Highly Recommended)
• IIT Physics by D.C. Pandey
• Problems in Physics by S.S. Krotov

CHEMISTRY:

• NCERT Textbooks
• Organic Chemistry – O. P. Tandon
• Organic Chemistry – Morrison and Boyd (This book covers a lot of topics with extensive detail. Make sure you highlight what is important before you proceed if you have a time constraint)
• Physical Chemistry – O. P. Tandon
• Inorganic Chemistry – J. D. Lee
• Modern Approach to Chemical Calculations – R. C. Mukherjee (for practice porpse only.)

MATHEMATICS:

• Maths XI & XII by R.D. Sharma
• Objective Mathematics for JEE Main & Advanced and Other Engineering Entrance Examinations by R.D. Sharma
• Calculus: – Problems in Calculus of One Variable by I.A. Maron
• Differential Calculus by A. Das Gupta.

hope this will help in you're preparation.

GOOD LUCK...!