i cant able to tell the total number of seat savailable for hostel facilities but it is like first come first serve for hostel facilities so you should directly visit the college for the same they will let you know about the same. all the best have a great future ahead.

Hello dear

You can go to this link for all the details you need about hostel - 

http://hostels.puchd.ac.in/hoshiarpur-hostel-handbook-2018.pdf

All the best

Hope it helps