Depending on what university you want to take admission in, the entrance or no entrance will depend. But in most colleges/Universities in general a entrance is taken.

The eligibility for BCA in most of the colleges is 50% marks in 10+2.

To know more about BCA you may visit the link provided below:

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

For list of BCA-MCA colleges you may visit the link provided below:

https://it.careers360.com/colleges/list-of-bca-mca-colleges-in-india

I hope this answer helps. All the very best for your future endeavors!