Yes, you can choose BCA after completing 12th, provided you have mathematics in the 12th class, if you don’t have, then don’t worry there are some colleges offering BCA to students without mathematics background.

Eligibility for BCA:
The applicant should have passed HSC (10 + 2) exam from any stream with English as passing subject with minimum 45% marks at 12th standard.

BCA specialization:
Computer Graphics
Programming Languages
Database Management
Systems Analysis
Word Processing
Internet Technologies
Accounting Applications
Animation
Music and Video Processing
Personal Information Management