Hi,
I believe the career path into sports management is really niche and getting into it would surely help you a lot if youn are a sports enthiusiast.
Your primary focus should be on completing class XII from any stream
After that you can get into the following colleges that provide the requried courses:

National Academy of Sports Management, Mumbai: BBA in Sports Management
George College, Kolkata, West Bengal: BA in Sports Management
Maulana Abul Kalam Azad University of Technology, West Bengal: BA in Sports Management
International Institute of Sports Management (IISM), Mumbai: BA in Sports Management

After graduation you can get into the following colleges as well that specialize in sports management and mostly the eligibility is 3 yr graduation and an acceptable CAT/MAT/CMAt score.

National Academy of Sports Management, Mumbai
· MBA in Sports Management
· Post Graduate Diploma in Sports Management

Indian Institute of Social Welfare and Business Management, Kolkata
· Post Graduate Diploma in Sports Management

International Institute of Sports Management (IISM), Mumbai
· Masters in Sports Management
· Post Graduate Diploma in Sports Management

Institute of Sports Management, ISST, Pune
· Masters in Sports management

Tamil Nadu Physical Education & Sports University, Chennai
· MBA in Sports Management

Lakhmi Bai National University of Physical Education, Gwalior
· Masters in Physical Education (Sports Management)
· Post Graduate Diploma in Sports Management

MBA in sports management is niche and is passionate field if you are really interested inro vaeious sports. 

If done from top colleges like IISWBM it has splendid opportunity across PR and Sports Planning firms as well as Advertising firms. Overall average package is lower cimparitively to other undemand programs. But definitely has rising scope ahead.