Hello Harshen,

As you asked for the books for jee exam so, here I am providing  list of books prefferd by the jee aspirants as :

Physics :

• Concepts of Physics (Part I)-HC Verma
• Concepts of Physics (Part II)-HC Verma
• IIT JEE Physics-DC Pandey.

Chemistry:

• Organic Chemistry-O.P Tandon
• Modern Approach to Chemical Calculations-R.C. Mukherjee
• Numerical Chemistry-P. Bahadur.

Mathematics:

• IIT Mathematics-M.L. Khanna
• Differential Calculus-A Das Gupta
• Class XI & XII Mathematics-R.D. Sharma
• Trigonometry, Geometry Books-S.L. Loney.

You can buy all these books online easily and most of them you can buy from any book store.

Hope it helps.

Thank you  :)