Hello Ananya!
According to the guidelines of SSCBS, Mathematics is compulsory for BMS/BBA(FIA). For candidates belonging to General category, a minimum of 60% marks (55% for SC/ST/CW/PwD/EWS) in aggregate in the four subjects - Mathematics , English and two other subjects is required.

So, yes, Mathematics at 10+2 level is mandatory for getting admission in Shaheed Sukhdev College of Business Studies, DU.

I hope this answer will help you.