The 12217 / 12218 Kerala Sampark Kranti Express is a Superfast service among Sampark Kranti category that runs between Kochuveli railway station in Thiruvananthapuram, the capital city of the state of Kerala and Chandigarh the capital city of Haryana & Punjab. It is the longest-running Sampark Kranti train and 11th longest train service of Indian Railways which covers almost 3417 km in one way run. It is running with an LHB rake W.E.F. 8 February 2019.