The toll in Bahanaga Bazar train disaster rose to 290 after a 17-year-old resident of Bihar succumbed to his injuries in SCB Medical College and Hospital here on Friday, officials said. Prakash Ram, who was travelling in the ill-fated Shalimar-Chennai Coromondel Express on June 2 when it met with the accident, was undergoing treatment at the surgery ward of the state-run hospital, he said. He had sustained severe head and leg injuries, besides internal injuries and was admitted to the hospital in a critical condition. A portion of his left leg was amputated below the knee but his condition deteriorated during the past few days, the hospital authority said. It informed the local police about the death and the body will be handed over to Prakash’s family after post-mortem.