A 21-year-old worker of a garment company at nearby Sulur was arrested here on Saturday on charges of impregnating a minor girl, who is his colleague.
Police said the 17-year-old complained of stomach pain to her parents on Friday. A medical examination revealed that she was six months pregnant.
The parents then filed a complaint, following which the man was arrested.
Preliminary investigations revealed that the man had promised to marry the girl, taken her to his room and sexually assaulted her, police said