If you have done your BSc in private from a university/affiliating university which is recognized by UGC then you can obviously go for MCA examination provided you should have 50% marks at least in your graduation.

For some colleges you have to apply for entrance examination. These are:

• MAH MCA CET
• BIT MCA
• JNU MCA
• DU MCA
• WB JECA
• CG PRE MCA

To know more about MCA visit the link below:

https://www.careers360.com/courses/mca-master-of-computer-applications

I hope this answer helps.