Two persons were killed and six others injured when two coaches and engine of the Guwahati-bound Capital Express derailed in North Bengal, with initial investigations suggesting that the driver overshot the signal.<br/><br/>An injury has been ordered into the derailment and three railway employees, including the driver, have been suspended in connection with the mishap. <br/><br/>The train travelling from Bihar's Rajendra Nagar Terminal derailed at around at around 9 PM last night near Shamuktala Road station, about 32 km from Alipurduar Railway Division headquarters, NF Railway officials said.<br/><br/>Two bodies were found from the coaches, NF Railway CPRO Pranav Jyoti Sharma said. <br/> <br/>Though, prima facie cause of the accident was overshooting of signal by the driver of the train, a thorough enquiry will be conducted and action will be taken against the guilty, said a senior Railway Ministry official. <br/><br/>Divisional Railway Manger, Alipurduar, said three persons-the driver, assistant driver and guard of the train have been suspended. He said work is on to remove the derailed coaches from the track. <br/>About 150 of the stranded passengers were taken back to Alipurduar Junction by Kamakhya-Alipurduar Inter City Express. The unaffected portion of the train was detached. The train will resume journey once the relief operation is completed, he said.