The woman's husband has been staying in the US for the the last two years owing to his business commitments, they added.
The woman told police that the accused would often come to her home. On Tuesday evening, he came to her house in an inebriated state and tried to force himself on her. When she resisted, he thrashed her with a stick, the police said.
The accused then raped her and again thrashed her with a stick and threatened her against informing about the incident to anyone, a police official said.
The accused has been arrested, he added.