The 12363 / 64 Kolkata–Haldibari-Kolkata Intercity Express is a Superfast Express train of Indian Railways – Eastern Railway zone that runs between Kolkata and Haldibari via Barddhaman, Rampurhat, New Jalpaiguri (Siliguri) and Jalpaiguri in India.This is the longest running intercity express train in West Bengal.12363 / 64 Kolkata–Haldibari Intercity Express presently has 1 AC Chair Car, 3 AC 3 tier, 8 Second Class Seating(Reserved), 4 General Second Class(Unreserved) and 2 SLR (Seating cum Luggage Rake) coaches.As is customary with most train services in India, coach composition may be amended at the discretion of Indian Railways depending on demand.As the average speed of the train is above 55 km/h (34 mph), as per Indian Railways rules, its fare includes a Superfast surcharge.