You need to have either Economics or Mathematics as one of the subjects in 10+2, to get admission in BBA Hons. in Scottish Church College and St. Xavier’s College. 

To apply to the BBA program offered by Scottish Church, you need to have at least 80% of aggregate and 20% in Mathematics / Economics / Accountancy/Business Economics / English / Business Mathematics / Statistics/Business Statistics. 

St. Xavier's eligibility criteria for BBA is at least 50% marks in 10+2 with Mathematics / Economics / Statistics / Business Statistics as one of the subjects.