Dear Aspirant,

You can definitely apply for BBA in St. Xavier's college if you have completed your 10+2 with Mathematics from any recognized board . You need to appear for an entrance exam which will carry 50% weightage and class XII result will carry remaining 50% weightage. The syllabus of entrance includes 50 questions of 1 mark each from Mathematics and English with no negative marking. Admission will be on the basis of your performance in both class XII and entrance exam.

For more info follow the link https://www.careers360.com/colleges/st-xaviers-college-kolkata/amp

Hope it help!