There are plenty good colleges offering Course such as Bachelor's in Sports Management, BBA in Sports Management etc. To get admitted into these courses you need to pass 10+2 with a good percentage or some colleges accept entrance exams like

MAT

CAT

CMAT

After doing Sports Management course you can be a franchise operator, sports instructor, trainee executive and many more.

https://www.careers360.com/courses/sports-management-course

There are colleges offering sports management courses such as

IISWBM KOLKATA

Sister Nivedita University Kolkata

NSHM Knowledge Campus ( BBA in Sports Management)

George Telegraph Institute ( BBA in Sports Management)

https://bschool.careers360.com/colleges/list-of-sports-management-colleges-in-kolkata

Go through the above links to know more

Hope it helps!!