hello,

Yes you can do MCA after completion of BCA.

Some colleges offer direct admission according to your percentile in BCA. But if you want to pursue MCA from a recognized institutions then you can give entrance examinations.

Here is the list of some important MCA entrance examinations.

1. All India MCA common entrance test [AIMCET]
2. Banaras hindu university Post graduate entrance exam.[BHU PET MCA]
3. Jawaharlal nehru university [JNU MCA].
4. National Institute of Technology Master of Computer Applications Common Entrance Test [NIM CET]

And approx every state conducts its own entrance exam for MCA. You can take a regular check on the internet for exam related updates.