IIT JEE Physics
Concepts of Physics by H.C Verma (vol.1 and vol. 2) – refer this for concept building
Physics Vol-1 and Vol-2 by Resnick Halliday – a great book for theory and non-trivial problems
NCERT
New pattern Physics Book by DC Pandey – a great book for problems
Problems in general physics by I.E. Irodov- for more challenging problems.
37 years previous years question bank
IIT JEE Chemistry
NCERT
Modern Approach to Chemical Calculations by RC Mukherjee – the best book for physical chemistry for problems.
Organic Chemistry by Morrison and Boyd- indeed the best book for organic chemistry.
Organic chemistry- by Solomons.
Inorganic chemistry by J.D. Lee.
37 years previous year question bank.
IIT JEE Maths
TMH (vol.1 and vol.2)
Problems Plus In IIT Mathematics by A Das Gupta – It is recommended by many toppers
37 years previous years question bank
Integral Calculus for IIT-JEE by Amit Agarwal – the best book for integral calculus for any competitive exam
Co-ordinate Geometry for IIT-JEE by SL Loney- indeed a great book for Coordinate geometry. Its subjective problems are excellent
NCERT