Train Guwahati Exp – 12515 travels from Trivandrum Cntl to Guwahati. Train Guwahati Exp passes 50 stations which are New Cooch Behar, Khurda Road Jn, Kokrajhar, Dhupguri, Bhadrakh, Rampur Hat, Vijayawada Jn, Trivandrum Cntl, Alwaye, Arakkonam. Trivandrum Cntl is the starting junction for train Guwahati Exp. Its ending point is Guwahati. Guwahati Exp covers total distance of 3552 kms.