Police have registered cases under Section 304 of the IPC (culpable homicide not amounting to murder) and Section 3 of the Prohibition of Ragging Ordinance against four students, two of whom — Ajay Verma and Naveen Verma — were arrested on Monday morning. A hunt is on for the two other students, Abhinav Verma and Mukul Sharma, Deputy Superintendent of Police, Kangra, Omapati Jamwal, said.

Late on Friday night, Ajay, Naveen, Abhinav and Mukul severely assaulted Aman Satya Kachru, a first-year student from Jammu, in the college hostel on the pretext of ragging. On Sunday afternoon, Aman complained of a pain in the chest, and was taken to hospital. He died after a few hours, at 8.30 pm.

The autopsy showed Aman had died of head injuries, Kangra Superintendent of Police Atul Fulzele said. The autopsy report had not, however, been formally submitted to him yet, the SP said.

In a complaint lodged with college authorities on Sunday, Aman named all four seniors. He said they were drunk, and had slapped, kicked and punched him. It is learnt that several other first-year students were also ragged that night, and 13 of them have submitted written complaints to the college authorities.

All four students have been expelled from the college, Principal Dr S Sankhyan said. Hostel warden Dr Pradeep Bansal, manager Deepak Verma and a security guard on duty that night have been suspended. The Principal