The crime took place on the night of November 25 at Adampur village but was reported to the local police only yesterday.
The accused has been identified as hailing from the same village, inspector in-Charge of Kuakhia police station Asish Kumar Sahoo said.
According to the FIR filed with the police, the man entered the woman's house when she was alone and allegedly raped her after threatening her with dire consequences. He then fled the spot.
"On the basis of the complaint, we have registered a case under sections of the Indian Penal Code and arrested the accused today. We conducted medical examination of both the accused and the woman," said Sahoo.