New Delhi: March 04, 2021 The much awaited Content on Demand (CoD) service in trains will be launched this month, a senior official of Railway PSU RailTel said on Thursday. The service involves infotainment in moving trains by providing preloaded multilingual content which will include movies, news, music videos, and general entertainment. To ensure buffer-free services, media servers will be placed inside coaches, RailTel CMD Puneet Chawla said in a press briefing.