Hello!Mihir
There are various courses which you can pursue after 12th.You can pursue B.Sc with Physics, chemistry,or mathematics,agriculture,vetinary,pharmacy,Nursuing,Anthropology,Nutrition and dietics,etc if you are from science stream,even you can pursue B.A with various courses like Sociology, philosophy, history, political science, geography,English ,tourism, economics etc.Courses after 12th in commerce i.e B.com in accounting and commerce,BBA,BMS ,BBS,BCA etc.You can opt one of the courses from above mention courses.It's on your interest and your fields which one you want opt.
You can ask if you have any other queries.
GOOD LUCK!