The woman, identified as Archana Kumari, was the wife of an officer of a Kalinga Nagar-based private steel plant, the police said.
"We have registered a case against the woman's husband on the basis of a complaint lodged by the father of the deceased and detained him for interrogation," the Inspector-in-Charge of Jajpur Road police station, Amitav Mohapatra, said.
According to the officer, the woman's husband came to his rented house after work yesterday night and found the door of his house locked from inside.
He broke open the door after he did not get any response from his wife, found her hanging from the ceiling fan and called the police, the officer said.
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