hello kalyani

I hope you are doing good. I would like to know you that their is no common national entrance exam for bachelors in computer applications. You can give entrances of state universities  or private universities which do have entrance for their colleges and based of the cut off you will get admission

Some of the good universities for bca are :

1. Guru gobind singh indraprastha university( BVP,MSIT are top colleges for bca under ggsipu)

2.Banarash hindu university

3.Christ university bangalore

4. Amity university noida

If you have any other doubt then you can always reach us to clear them :)

we are always available to help you out and guide you

Thankyou