The two groups clashed yesterday following a dispute over the conduct of a prayer ceremony, Superintendent of Police, M M Beg said here.
A case was registered against six persons belonging to one of the groups after which one person was arrested, he said.
The other group has so far not approached the police, the SP said.
Incidents of stone pelting were also reported, following which four persons were hospitalised with minor injuries, he said, adding all of them have now been discharged.