What is minimum marks to get bsc in microbiology in st. Xavier's autonomous college in kolkata? Is there any chance of getting admission with 60%?

The basic eligibility requirement for securing admission at St. Xavier’s College Kolkata is 60% aggregate marks, along with 60% marks in Biology and Chemistry separately. 

The cutoff score is calculated by adding Aggregate percentage, Biology percentage, Chemistry percentage. The cutoff is calculated out of 300. If you are a CBSE/ISC student, having a score above 285 should get you a seat. For WBCHSE, a score of 275 should do. Cutoffs for other state boards are higher.