The 12217 / 12218 Kerala Sampark Kranti Express is a Superfast Express 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 express train which covers almost 3417 km in one way run.Accordingly, 12217 Kochuveli–Chandigarh Kerala Sampark Kranti Superfast Express departs Kochuveli on every Saturday & Monday at 09.10 hrs and reaches Chandigarh at 09:50 hrs on every Monday & Wednesday.12217/18 Kochuveli–Chandigarh–Kochuveli Kerala Sampark Kranti Superfast Express has modern LHB coach.As the route is fully electrified, both trains are hauled by a Ghaziabad Loco Shed / Ludhiana Loco Shed-based WAP-7 electric locomotive from end to end.