hello aspirant,

Below are the colleges which offers bsc in math hons course in mumbai:

amity university

chhatrapathi shivaji maharaj university

yashwantarao  chavan college of science

MGM  university

school of  mathematical sciences,narsee monjee institute of management studies

for more information and full list refer to: https://university.careers360.com/colleges/list-of-mathematics-degree-colleges-in-mumbai

hope this helps,

thankyou.