Indian Railway is upgrading its network to improve passenger experience and make high-speed trains possible. As part of this effort, all non-AC sleeper coaches will be replaced by AC coaches for trains running over 130 km. This move is a technical necessity for high-speed trains and will also improve passenger comfort. Indian Railways is the fourth-largest railway network in the world, with a total track length of 67,368 km. To get more information on train india, visit the India Brand Equity Foundation website. https://www.ibef.org/industry/indian-railways