The victim, Manoj Kumar, used to often threaten his wife saying that he would kill himself, police said.
The couple went for a morning walk on Wednesday and had an argument. After returning home, Manoj took his wife to a room on the first floor and tied her hands with a chunni (shawl).
He then allegedly hanged himself, they said.
She raised an alarm following which people rushed to the spot and took Manoj to a hospital, where he was declared brought dead, police said.
No suicide note has been found, they said.