Four students of Amity University were booked after a video of a group of youths embroiled in a fistfight outside the varsity surfaced on social media. The four students Prashant, Mohit, Tushar Nagar and Bhati were booked under IPC sections 323 (voluntarily causing hurt) and 147(rioting). All four are on the run, a senior officer from Sector 126 police station said.