hi,
see it depends on the institute where you would apply for bca. Most of the institute requires to have mathematics as a compulsory subject for BCA application.
I have mentioned about the institute name which offers bca admission for non math background student:
Christ University, Banglore
Symbiosis Institute of Computer Studies and Research, Pune
Institute of Management Studies, Noida
Lovely Professional University, Jalandhar
Sikkim Manipal University
Manipal University, Jaipur
St. Xavier’s College, Jaipur
Poornima University, Jaipur
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