hi sameera

hope you are doing well

you must go with cengage but you first need to start with basic ncert chemistry books for jee mains their fundamentals are very important in many cases if you strictly complete ncert that's enough for jee main, but it depends on your efforts

of course you can increase ur practice with cengage

The Mains paper is based >95% on NCERT.

• Use NCERT book for Inorganic. You don't need any other Inorganic book for Mains . ..