Hello,

Bachelor of Arts in Computer Science is a three year undergraduate program which focuses on the mathematical and theoretical foundation of computing rather than teaching specific technologies.

In ordet to be eligible to apply to this course, you are required to have passed Class 12 with minimum 50 percent marks or any other equivalent examination in any discipline from a recognized board.

So, yes you can take admission in this course even if you are from commerce stream. At the bachelor's level, you can do a diploma degree and through that you can have a chance of doing BTech.

Hope it helps.

Good Luck!