Dear Himanshu, 

You can pursue B.COM in Economics from some well known colleges and they are:

- Shri Ram College of Commerce:

Eligibility: 

• The candidates should have 10+2 certificate of CBSE/ISCE board or an equivalent with the minimum 45% marks in aggregate. ( for economics you must have studied mathematics)
• The candidates should have in five subjects, including four elective subjects and one language.

Selection process:

• The admission will be done on the basis of cut-off.

- Jai Hind College:

Eligibility: 

• The candidates should have 10+2 certificate of Examination of the Maharashtra State Board of Secondary or an equivalent with the minimum 45% marks in aggregate.

Selection process:

• The admission will be done on the basis of cut-off.

Other colleges offer B.Com(honors) and B.A. Economics.

I hope that'll help you, Best of luck for your further career opportunities.