Reference books for Physics
1) A collection of questions and Problems in Physics by L.A. Sena
2) Aptitude Test Problems in Physics by S.S Krotov
3) Concepts of Physics by H.C. Verma
4) NEET - 2012 Physics Objective Question bank Chapter wise and Topic Wise by Digvijay Singh
Reference books for Chemistry
1) A Textbook of Organic Chemistry for IIT JEE by R K Gupta
2) General Chemistry by Ebbing
3) Modern ABC of Textbook Chemistry by Dr.S.P.Jauhar
4) Objective Question Bank Chapter-Wise and Topic-Wise Chemistry for Medical Entrance by Preeti Gupta
Reference books for Biology
1) Biology by SC Verma
2) Botany by AC Dutta
3) Medical Entrance Biology by Nirmal Kumar Mishra and Arun Kumar Pandey
4) Objective Biology by S. Biswas and A. Biswas
Reference books for Mathematics
1) Integral Calculus byAmit M Aggarwal
2) Skills in Mathematics Coordinate Geometry for IIT JEE by S K Goyal
3) Mathematics for IIT-JEE: Trigonometry, Vector Algebra, Probablity by G. S. N. Murti and U. M. Swamy
4) Calculus and Analytic Geometry by George B. Thomas, Ross L. Finney
You can also buy books from an online portalMotachashma
