Hello Aspirant,

Firstly I would suggest you to go well with NCERT books then you can prfeer the other books with the given below link.

https://engineering.careers360.com/articles/best-books-for-jee-main 

Also I would like to inform you that Careers360 is conducting All India Talent search Exam where students of 11th and 12th PCM/PCB ( Engineering or Medical) can test their knowledge and enhance their preparation by knowing their stronger and weaker areas and win prizes and scholarships worth ₹1.25 Crore.

Grab this opportunity (Scholership and Exciting Prizes - ₹50,000/- cash Prizes, Upto 100% Scholarship on JEE / NEET AI-Based preparation packages, Laptops, Smartphones, Amazon Echo, Careers360 Almanacs, Powerbanks, Upto ₹250/-  Paytm *Cashback offer)

Keep NCERT for clearing and building up your basics and for extra material you can buy the books below  

( I m mentioning names of the author ) 

Physics 

1. Hc verma( 2 volumes) 

2. Dc panday(5 volumes)

3. IE irodov 

Maths 

1. Cengage publications books for iit jee 

2. SL looney for trigo

 Chemistry 

1. Solomon and fryhle

2. Jagdamba Singh 

Hello,
There are many books you can refer o. 
For chemistry, NCERT textbook should be fine
For physics, HC Verma is great. Try to solve all the problems in the book
For mathematics, go through Cengage and Arihant publications.

Train yourself, by taking multiple mock tests, and go through all previous years papers.
All the best!