The arrested persons included a woman who was at the forefront in attacking the two officials - Estate in-charge Pratap Santra and Admission Committee Chairperson Prof Sujata Chowdhury.
The four were charged under various IPC sections including 143 (unlawful assembly), 353 (Assault or criminal force to deter public servant from discharging duty), 354A (Sexual harassment), 341 (wrongful restraint), 504 (intentional insult with intent to provoke breach of the peace), they said.
One of the four arrested was named in the FIR which accused seven persons for Tuesday's rampage.
The protesters claimed that the Vice-Chancellor Rattan Lal Hangloo had declared the results of 10,000 undergraduate students of colleges affiliated to the university as incomplete a month ago.
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Besides assaulting two officials, the agitators, who demanded the VC's resignation also damaged CCTV cameras and furniture in the university premises.
The VC had claimed that the university authorities have been trying to invoke a rule of law and instill discipline in the campus which some of the employees and students dislike.