Hello Manu !

The minimum eligibility criteria for B.com. course is around 50% in most of the colleges.

You can consider the following colleges :-

1. Hindu college, Delhi

2. Loyola college, Chennai

3. St.Joseph's college of commerce, Bangalore 

4. Hansraj college, Delhi 

5. Mithibai college, Mumbai 

6. Gargi college, Delhi 

There are other colleges that you can consider as well.

All the best !