The Rail Coach Factory (RCF), Kapurthala rolled out 15 air-conditioned (AC) 3-tier economy class coaches on June 1, 2021. These coaches will be attached to various mail and express trains. The AC 3-tier economy is touted to be IR’s most affordable class of AC travel. The prototype of the AC 3-tier economy class was rolled out from the RCF for oscillation trials on February 10, 2021. The design of the coach includes a redesigned AC duct to provide individual vents for each berth. It also has an improved and modular design of seats and berths, foldable snack tables in both longitudinal and transverse bays, injury-free spaces and holders for water bottles, mobile phones and magazines, a statement said. Individual reading lights and mobile charging points are provided for each berth in addition to standard sockets.