Nidhi, an eye-witness in the Kanjhawala case, in which a young woman was hit by a car on New Year night and dragged under the wheels for several kilometres, has been not arrested, the Delhi Police said on Friday and added that she has been asked to join the investigation. Earlier, cops arrested Ashutosh, who owns the Baleno car used in the crime. He had given his car to the driver, Amit. Stay with TOI for live updates: