Hiii

You have not given any clarification about the college you wish to know about, do include the college name so that we help you better.
In General the eligibility for B.Com is that a candidate must have qualified class 12th exam from a recognized board and must have attained atleast 50% aggregate marks.

Talking about BBA, It is bachelors of Business Administration. It is a 3 year undergraduate courses in business management. 

Hope this helps.
Thanks!