A college student is in hospital with severe brain injury in Greater Noida, unconscious for five days now, after some men in car ran over her when she was walking on the roadside around 9 pm on December 31. Two others suffered minor injuries, while the men in the car remain untraced so far. The hit-and-run took place near a bus stop in the Beta 2 area of Greater Noida when the car ran into three engineering students from GNIOT College from behind.