Hello Gourab,

Yes, NCERT books for each subject is important because questions asked in the question papers comes from ncert books only  few questions comes from outsides.

For more practice you can refer other books for chemistry;

• Physical Chemistry by OP Tandon
• ABC of Chemistry for Classes 11 and 12 by Modern
• Concise Inorganic Chemistry by JD Lee
• Dinesh Chemistry Guide
• Practise books by VK Jaiswal (Inorganic), MS Chauhan (Organic) and N Awasthi (Physical)

Hope this will help you. All the best.

Hey.

Yes, the NCERT Chemistry book is very important for your NEET preparation for your basics and also because a lot of questions come from it. If you require any other book for practice purposes you can refer the any of the following along with the NCERT.

Physical Chemistry by OP Tandon  

ABC of Chemistry for Classes 11 and 12 by Modern

 Concise Inorganic Chemistry by JD Lee

 Dinesh Chemistry Guide

 Practise booksby VK Jaiswal (Inorganic), MS Chauhan (Organic) and N Awasthi (Physical)