The incident occurred last night when the accused, identified only as Shiva, called up the woman, a widow, to the roadside eatery under the pretext of handing her over some left-over food and raped her, they said based on a complaint lodged by the victim.
The woman was working at the dhaba for the past three months, police said.
A case was registered under relevant sections of IPC against Shiva who is taken into custody, police said.