Firstly I would suggest you to prefer NCERT books as it will help you to clear the concepts. The other books you can prefer given below:

Best Biology Books

Moderns ABC of Biology for XI & XII – B. B. Arora, A. K. Sabharwal- Modern Publishers
Exploring Biology (Vol 1 & 2) – Sanjay Sharma & Sudhakar Banerjee – Arihant Publications
Objective Biology (Vol 1, 2 & 3) – K. N. Bhatia / K. Bhatia – Dinesh Publications
Medical Entrances Biology (Vol 1, 2 & 3) – Mamta R. Solanki & Lalita Ghotik – Target Publications

Best Physics Books

The Concept of Physics by HC Verma
Objective Physics by Prof. Satya Prakash Arya (MTG Publishers)
NCERT Physics by Anil Aggarwal

Best Chemistry Books

Physical Chemistry by OP Tandon (G. R. Bathla Publications)
Objective Chemistry (Set of 3 Vols) (S. Dinesh & Co.)
Modern’s ABC of Chemistry (Part 1 & 2)

Good Luck!