The accused, whose name has not been disclosed, was arrested from near Metro station's Gate number 3 at New Delhi railway station.
According to the police, on June 17, a lady passenger had filed a complaint with the NDRS police that Rs 1 lakh was stolen from her handbag at the station's platform number 14.
Police examined the CCTV footage of platform number 14, and found a woman moving suspiciously around the complainant before the crime took place.