Last evening, the girls, who are students of Chapar inter college, were returning to their village and were accosted by four students who eve-teased them, SHO K K Gotem said.
The accused also thrashed family members of the girls who had reached the spot opposing the harassment, he said.
The situation was under control by senior police officials who reached the spot later.
A case has been registered against the four accused under the Dalit act and for eve-teasing, he added.