Railways on Wednesday rolled out its first air conditioned three-tier economy class coach which is being touted by the ministry to be synonymous with the cheapest and best AC travel in the world . These coaches, officials said, will be economical and in between the current AC three-tier and non-AC sleeper class. This LHB coach was rolled out from Rail Coach Factory (RCF) Kapurthala to Research Design and Standards Organisation (RDSO) Lucknow for the upcoming trial. It was conceived by RCF and work on its design started on war footing in October 2020. The new coach can carry more passengers as the berths have been increased from 72 to 83.