Hi

That depends solely on the institute where you want to get admission into. BCA has both merit based admission meaning they consider your 12th score and entrance exam based admission. Even eligibility criteria varies institute to institute. You will have to look for colleges or institute that suits your educational qualification and without entrance exam if that's what you want.

Check this link for more details

https://www.careers360.com/courses/bca-bachelor-of-computer-applications

Hope this is enough.

Let us know if you have any other query.