The woman, who had moved to a deserted spot for some emergency during a 'jatra' show at Mahuri village under Baisinga police station limit, was forcibly lifted by the four accused persons and allegedly gang-raped last night, they said.
The victim hailed from nearby Gajadi village under Badasahi police station area.
The woman's husband and other family members were seated in the jatra audience and became worried when she did not return after a while.
"We have arrested three of the four accused persons so far. All the accused have been identified," officer-in-charge of Baisinga police station Ramakanta Muduli said.