For IIT JEE, you must be concptually sound. In order to achieve that, it is important to expose yourself to some of the excellent books on Physics, Chemistry and Mathematics.
These are some of the books which were suggested to me by my father, uncle and teachers.
PHYSICS
 
Name: University Physics (For theory)
Author(s): Francis W Sears, Mark Zemansky, Hugh Young
Publisher: Narosa Publishing House
 
Name: Problems in General Physics (For Problem Solving)
Author: I.E. Irodov
Publisher: Mir Publishers, Moscow/ CBS India
 
Name: Past 36 years JEE Questions (To be done only after syllabus is over)
Author: D.C. Pandey
Publisher: Arihant
 
PHYSICAL CHEMISTRY
 
Name: NCERT XIth Std. and XIIth Std. Textbook
Author: Members of the Committee, NCERT
Publisher: NCERT
 
ORGANIC CHEMISTRY
 
Name: Organic Chemistry (PLEASE USE THE ORIGINAL EDITION, NOT THE ADAPTED VERSION FOR IIT JEE)
Author: G. Solomons, C. Fryhle
Publisher: Wiley International
 
Name: Guidebook to Mechanisms in Organic Chemistry
Author: Peter Sykes
Publisher: Pearson India
 
Name: Problems and Solutions in Organic Chemistry (For Problem Solving)
Author: I.L. Finar
Publisher: Pearson India
 
INORGANIC CHEMISTRY
Name: NCERT XIth Std. and XIIth Std. Textbook
Author: Members of the Committee, NCERT
Publisher: NCERT
 
Name: Concise Inorganic Chemistry
Author: J.D. Lee
Publisher: Wiley International
 
MATHEMATICS
 
Name: Past 36 years JEE Questions (To be done only after syllabus is over)
Author: Amit Agarwal
Publisher: Arihant
 
Name: Elementary Problems in Mathematics
Author: Govorov, Smirnova, Dybov, etc.
Publisher: Mir Publishers, Moscow/ CBS Publishers, India
 
Name: Problems Plus in IIT JEE
Author: A. Dasgupta
Publisher: Bharati Bhavan
 
 
NOTE: If you allow yourself a bit of free time, you may wish to read the FEYNMAN LECTURES ON PHYSICS.
 
 
 
 
						

							

h.c.verma’s phy’s books ,,r.d. sharma’s math books,,,,,o.p.tandan‘s chy’ books
are referable