AIEEE and IIT were replaced by JEE Main and JEE Advanced respectively, the reference books of IIT took a slightly different turn.

Joint Entrance Examination (JEE) is now a two stage exam. The first stage is JEE Main. This is similar to AIEEE and is conducted to by CBSE.

Here are name of some books for IIT JEE:

Physics

HC Verma Concept of Physics Part 1.
HC Verma Concept of Physics Part 2.
IIT JEE Physics by D.C. Pandey.
Problems in General Physics by I.E. Irodov.
Physics for IIT JEE by Resnick, Halliday, Walker.
Problems in Physics by S.S. Krotov.

Chemistry:

Organic Chemistry by Morrison Boyd.
Organic Chemistry by O.P. Tandon.
Inorganic Chemistry by O.P. Tandon.
Modern approach to chemical calculations by R.C. Mukherjee.
Numerical Chemistry by P.Bahadur.
Concise Inorganic Chemistry by J.D. Lee.

Mathematics:

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