• Textbook of Physical Chemistry- by Dr. R.K. Gupta
• Textbook of Organic Chemistry- by Dr. O.P. Tandon
• Inorganic Chemistry by OP Tandon
• R.C Mukherjee for numerical Chemistry
• J.D Lee for Inorganic chemistry

Hello Princy,

I would like to mention  some of the best books for chemistry mentioned by the toppers mentioned at careers360's given below:

• Modern Approach to Chemical Calculations-RC Mukherjee
• Organic Chemistry-Solomons and Fryhle
• Concise Inorganic-J. D. Lee
• Organic Chemistry-Morrison and Boyd
• University Chemistry-Freedman and Young
• Physical Chemistry-N Awasthi
• Arihant's Practice Book Chemistry for JEE Main And Advanced-R.K Gupta

For more detailed info about the tips and tricks, visit the careers360's link given below.

The link is:https://engineering.careers360.com/articles/best-books-for-jee-main-2019

Hope this helps and all the very best!