A 52-year-old railway contractor Vijay Pandey shot dead near the Kerala Public School in Burmamines on Tuesday night. The victim had received a threat letter from two unidentified youths at his house in laxminagar in adjoining Telco area on May 14. But the victim did not pay heed to the threat. According to information, Pandey was returning home on his bike from the Tatanagar Railway Station at about 11.30 pm. As he took a turn for his house from the Station-Burmamines Road, the assailants opened fire and shot him in the head and shoulder. He was taken to Tata Main Hospital. The police have detained four youths for interrogation in connection to the murder. The body has been sent to the MGM Medical College mortuary for post-mortem.