Hello aspirant.. Hope you are doing well!!

Firstly, congratulations you have got a very good percentage in 12th board exams.

There are lots of best colleges in india for bsc chemistry all the IIT institutions and NIT institutions are at their best for this course. When coming to some best colleges other than iits and nits there are some best colleges

Stella maris college - Chennai

Deen dhayal upadhayaya college - Delhi

Mount carmel college - Bangalore

St. xavier's college - Ahmedabad

Sacred heart college - kochi

Kishinchand chellaram college - Mumbai

Jyothi nivas college - Bangalore

These are some of the best colleges for bsc chemistry.

If you have any doubts fell free to ask in the comment section.

Hope this helps you..

All the Best!!