The woman was allegedly abducted from near her in-laws' house in Badagaon village under Marshaghai Police Station area last week, SDPO Nrusingha Charan Swain said.
The victim today lodged a complaint with the police in this regard, alleging that she was sexually assaulted by the accused at different places, he said.
They freed her after threatening her of dire consequences if she revealed the matter to anyone, the SDPO said.
A case under section 376 (rape) of IPC has been registered against the accused who are still at large and a manhunt has been launched to nab them, the SDPO said.
The victim has been medically examined and her statement was also recorded, he said.