Vande Bharat Sleeper 24-coach design final by Nov 2026. ICF Chennai aims to finalise the 24-coach Vande Bharat Sleeper train design by November 10, 2026, with a prototype targeted for May-June 2027. After trials, remaining trains will be rolled out. Orders for propulsion equipment for 50 rakes have been placed with Medha and Alstom.