Five persons were arrested late this evening in connection with the incident, a police officer said but did not reveal their political affiliations.
The five were apprehended in connection with the alleged lynching of Krishna Prasad Jana, a third year student of BA of Sabang College.
Both Chhatra Parishad, Congress's student wing, and Trinamool Congress Chhatra Parishad (TMCP) have claimed that Jana was their member.
Bhuniya said late tonight that police did not arrest the real culprits while the TMCP said the arrested men were not from the party.
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TMCP district working president Prodyut Ghosh further claimed the student union was not involved in the clash.
"The clash was the result of internal feud within Chhatra Parishad," he said and claimed that four members of TMCP were hospitalised after it.
West Bengal Chief Minister Mamata Banerjee described Jana's death as the "most unfortunate incident" and ordered police inquiry into the matter.