Below are the best books for JEE Main you can check

Physics

HC Verma – Concepts of Physics (Part I)
HC Verma – Concepts of Physics (Part II)
IIT JEE Physics – DC Pandey
Problems in General Physics – I.E. Irodov
Physics for IIT-JEE – Resnick, Halliday, Walker.
Problems in Physics – S.S. Krotov

Chemistry

Organic Chemistry – Morrison Boyd
Organic Chemistry – O.P Tandon.
Modern Approach to Chemical Calculations – R.C. Mukherjee
Numerical Chemistry – P. Bahadur
Concise Inorganic Chemistry – J.D. Lee

Mathematics

IIT Mathematics – M.L. Khanna
Differential Calculus – A Das Gupta
Class XI & XII Mathematics – R.D. Sharma.
Trigonometry, Geometry Books – S.L. Loney.
Problems in Calculus of One Variable – I.A. Maron
Higher Algebra- Hall and Knight

First of all, it would better to complete your NCERT books properly as 75-80% questions come from there. Once you are done with this, you can refer these books as well - Physics Concepts of Physics 1 & 2 - HC Verma Physics Mechanics 1 - DC Pandey Physics Mechanics 2 - DC Pandey Problems in General Physics - Irodov 38 Years' Chapterwise Topicwise Solved Papers (2016-1979).

Chemistry- Modern Approach to Chemical Calculations - R.C. Mukerjee Concepts of Physical Chemistry for JEE Paperback – 2014 by P. Bahadur (Author) Organic Chemistry, 7e Morrison Boyd 38 Years' Chapterwise Topicwise Solved Papers (2016-1979) IIT JEE Chemistry. Maths - Mathematics Vol. I & II - R.D.Sharma Problems Plus In IIT Mathematics A.Das Gupta Objective Mathematics - S.K.Pundir M.L.Khanna 38 Years' Chapterwise Topicwise Solved Papers (2016-1979) IIT JEE Mathematics Also, there are many books available in the market so better to choose the standard books which are easy to understand and which makes all your concepts strong. Good Luck!!!

Here are some of the books nam eyou can prefer for JEE main Preparation.

Firstly go through properly with NCERT books to clear your basic concepts.

Mathematics:

• Higher Algebra by Hall and Knight for Algebra
• Textbook of Co-ordinate Geometry for IIT-JEE by A. Majeed for Co-ordinate geometry
• Problems in Calculus of One Variable by I. A. Maron for Calculus
• Calculus and Analytic Geometry by Thomas and Finney for Calculus
• Vector Algebra by Shanti Narayan
• A textbook of Matrices by Shanti Narayan

Physics:

• University Physics by Freedman and Young
• Fundamentals of Physics by Halliday, Resnick and Walker
• [practice] Physics for IIT-JEE series by B. M. Sharma.

1. University Chemistry by Bruce Mahan for Physical Chemistry
2. Organic Chemistry by Morrison and Boyd for Organic Chemistry
3. Organic Chemistry by Solomons and Fryhle for Organic Chemistry

Good Luck!