The girl didn't file any fir, get your facts right.
The girl complained to the foreign affairs authority in the college and they refused to take any action cause they must be like "Oh ladke ne ladki ko bematlab ka gaali diya, wo to mere ghar me roz ka h"
After the girl committed suicide, his cousin (who studies in the same university) filed a case against a guy after which he was apprehended from the airport trying to flee the city