You should start your preparation through NCERT books to build your basics strong and to make your concepts clear.

After, completing your NCERT books you can refer below books for your preparation.

Physics

Concepts of Physics Vol I and II by H.C. Verma

Fundamentals of Physics by Halliday, Resnick & Walker

Problems in General Physics by I.E. Irodov

Mathematics

Maths XI & XII by R.D. Sharma

Plane Trigonometry Part 1 by S.L. Loney

Higher Algebra by Hall and Knight

Chemistry

Physical Chemistry by O.P. Tandon

Organic Chemistry by Paula Bruice Yurkanis

Organic Chemistry by O.P. Tandon

To boost your preparation level it is recommended that you should refer previous year papers and mock test series for your practice.

All the best for your preparation and exam!!