BCA

Yes, you can pursue BCA. Just apply in a college offering distance learning.

Yes, you have both mathematics and computer Science.

No, you cannot do BCA after 12 commerce without maths and computers.

The fees for BCA in Patna University is INR 40000 per semester, whereas after offering scholarship the fees will be INR 25000 per semester.

Hi,
Mostly, the universities/colleges demand 50% minimum in average. The minimum percentage decreases to 45% for reserved category. Candidates in final year graduation are also eligible to apply for the MBA course but with proof of the undergoing graduation degree.

Candidates aspiring to pursue this course should be passed out from 10 + 2.
Aspirants can be from any field, but they should have English as one of the main subjects in their previous course.
The minimum marks in aggregate required to pursue this course are 45% to 55% from a recognized board.
Admission

The admission is based on merit list based on the marks scored in 10+2.

These are the colleges which offer BCA course:
SIU Pune, Model Colony Campus. Pune. 4.89 Lacs.
Christ University. Bengaluru. 4.07 Lacs.
Loyola College. Chennai. 2.4 Lacs.
Stella Maris College. Chennai. -
Amity University. NOIDA. 5.40 Lacs.
Kristu Jayanti College. Bengaluru. 2.28 Lacs.
Women's Christian

Yes, commerce students can apply for BCA in SRM. This college is too good, and this course is too good. But you can do Commerce besides BCA. So, try harder.

Yes, it is possible you can choose distance mode of education.