See St. Xavier's College Kolkata didn't released any information regarding the admission process. Although, upto till not all the board examinations are conducted. So as soon as the results of board exam will exam release, the college will release it notifications. So wait!

To get updates visit the official website:

https://www.sxccal.edu/

To know more visit the link provided below:

https://www.careers360.com/colleges/st-xaviers-college-kolkata

I hope my answer helps. All the very best for your future endeavors!