The minimum eligibility criteria for any candidate to take admission for BCA is that they must have studied science stream in their 10 + 2 class and get an aggregate of 45% marks. The mathematics subject is mandatory.
For more information about the college and the course you can refer the link:
I hope it helps you!
BCA is three year full time professional degree course. Taking admission in BCA is easy. Various colleges and universities take entrance for taking admission where as several takes on the subject you had in 12th. Minimum Marks required is 55% subject to change according to universities. You need to have English and maths as compulsory subject whereas some college ask for computer too.
So check for the college you are going to take admission and see for the admission criteria.