The admission criteria for masters of computer application (MCA) is variable. But there are certain requirements that you will have to fulfill to be eligible for MCA in institutes. These are:

• Candidates should have completed their BCA/B.Sc /B.Com or a similar stream and should have scored at least 50% marks in the Undergraduate level.
• · Mathematics should be a compulsory subject in the 10+2 grade in order to be eligible

So if you had maths (or statistics) in class 12, you are eligible for BBA