Hello ,

Ncert text books of class 11th and 12th are enough for JEE main preparation. For more practice, you can use following books:

For physics you can follow these books

1)Concepts of physics by HC verma

2)Fundamentals of physics by halliday resnick walker.

3)Understanding physics by DC pandey.

For Chemistry refer these books:

1)Organic chemistry by OP tandon

2)Concept of physical chemistry by p bahadur

For maths you must follow these books:

Objective mathematics by R.D sharma

1)Algebra by Dr.Sk goel arihant.

2)Calculus by Amit M agarwal.

3)Plane trigonometry by S.L loni

Hope this answer will help you

All the best for future.