Assam: 6 Coaches of Sairang-Kolkata Express Train Derails: Four persons suffered minor injuries after five coaches and the engine of the Kolkata-Sairang Express derailed at Digaru near Assam. Four sustained minor injuries and are receiving care. Were working closely with commat;RailMinIndia on this situation, he said.All stranded passengers have been provided with basic necessities, and alternative travel train has been arranged for the journey, the CM said.