A constable identified as Ramesh Lal died when the bike he was riding was hit by a bus in Premnagar on Friday. Ramesh Lal, a native of Rudraprayag, was deputed at IRB, Suddhowala Dehradun. The incident occurred at around 8.50 am at Kehri village in Premnagar on Friday, police said. The constable who was injured in the head was rushed to a hospital in Premnagar. Later, he was shifted to higher centre in Dehradun where he succumbed. After the post-mortem, the body was handed to the family members. The relatives of the deceased registered a complaint following which a case under sections 279/338/304a of IPC was registered in the Premnagar police station. Police impounded the bus and the driver identified as Sandeep Singh, resident of Mandu, Dehradun, was arrested.