As you requires I am here suggest you good books for Organic Chemistry section of IIT JEE main and advance exam.

Books for chemistry part :

Organic Chemistry by Morrison Boyd.

Organic Chemistry by O.P. Tandon.

Inorganic Chemistry by O.P. Tandon.

Concise Inorganic Chemistry by J.D. Lee.

Numerical Chemistry by P.Bahadur.

Modern approach to chemical calculations by R.C. Mukherjee.

Some other books for IIT JEE Exam :

Physics

HC Verma Concept of Physics Part 1.

Physics for IIT JEE by Resnick, Halliday, Walker
.
Problems in Physics by S.S. Krotov.

HC Verma Concept of Physics Part 2.

IIT JEE Physics by D.C. Pandey.

Problems in General Physics by I.E. Irodov.

Mathematics

IIT Mathematics by M.L. Khanna.

Problems in Calculus of One Variable by I.A. Maron.

Higher Algebra by Hall and Knight.

Class XI and XII Mathematics by R.D. Sharma.

Trigonometry, Geometry Books by S.L. Loney.

Differential Calculus by A Das Gupta.