Dear Madni, there is no special subject in you which you should have graduated to be eligible for CMAT. Graduates of any discipline are eligible for CMAT. There is no upper age limit for appearing for CMAT as well. Candidates studying in their final year of graduation are also eligible for CMAT. So with your BCA degree, you are eligible for appearing for CMAT.
Yes you can.
The eligibility criteria is given below
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