Mathematics is not a necessity to get admission to the course of BCA. So if you don't have Mathematics then also you can get admission to the course of BCA.

The top Government Colleges for BCA are provided below:

Ambedkar Institute of Technology, Delhi

IGNOU Delhi - Indira Gandhi National Open University

Aliah University, Kolkata

St Xavier's College, Ahmedabad

Government Science College, Bangalore

YMCA Faridabad - JC Bose University of Science and Technology, YMCA

MSU Baroda - Maharaja Sayajirao University of Baroda

GGSIPU Delhi - Guru Gobind Singh Indraprastha University

Government Holkar Science College, Indore

For more colleges visit the link below:

https://it.careers360.com/colleges/list-of-bca-mca-colleges-in-india?ownership=Public/Government&degree=B.C.A.

I hope this answer helps. All the very best for your future endeavors!