Hello Nissaruddin Sk,

In St. Xaviers college the selection is done on the basis of the merit basis of marks obtained 

in qualifying exam in all courses except B.sc Mass communication,Bachelor in Multimedia and BBA Honours.

St.Xaviers provide Honours in specilizations in undergraduate courses BA,B.sc,BBA and B.com .

You can also visit the official website-http://www.sxccal.edu/admissions/SXCAdmission2017/UG2017/EligibilityCriteria.htm

Thank You.