Dear aspirant,

Both books are good fir preparation of IIT JEE exam. M.S. Chauhan sir is well known for Organic Chemistry book writing. Surendra Kumar Mishra Sir is a expert in the field of Organic Chemistry. He is author of the book, “Problems & Solution of Organic Chemistry” for IIT mains and advanced. You can choose any one of the book. Because both are good books only.

Hope this information helped you.

All The Best!!