Your basics need to be right and for that you need to study from NCERT books.

For Mathematics: Problem in IIT Maths, Mathematics for Class 12 by RD Sharms

For Physics: Fundamentals of Physics by David Halliday, Robert and Jearl

Concept of Physics by DC Pandey

Tata Mc Graw Hill's book by HC Verma

Principles of Physics by Resnick and Haliday

For Chmistry: Modern ABC of Chemistry

NCERT Physical and Organic Chemistry

For Biology: Elementary Biology by Bhatia and Tyagi