Hostel

Hostel is a 2011 Indian Hindi-language action crime film written and directed by Manish Gupta. Inspired by true events of the abuse of newcomers to educational institutions, including the Aman Kachroo case, it follows a freshman who goes to live in a hostel and, after becoming a victim of ragging, musters the courage to fight and punish his perpetrators.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.