<P> The Mumbai - Ahmedabad line is expected to cost ₹ 650 billion . </P> <P> In India, trains in the future with top speeds of 250--300 km / h, are envisaged to run on elevated corridors to isolate high - speed train tracks and thereby prevent trespassing by animals or people . </P> <P> The current conventional lines between Amritsar - New Delhi, and Ahmedabad - Mumbai runs through suburban and rural areas, which are flat and have no tunnels . The Ahmedabad - Mumbai line runs near the coast and therefore, has more bridges, and parts of it are in backwaters or forests . The 1987 RDSO / JICA feasibility study found the Mumbai - Ahmedabad line to be the most promising . </P> <P> Maharashtra state government has proposed a link between Mumbai and Nagpur . The government also wants a corridor to connect to Navi Mumbai International Airport . </P>

High speed train announced in the indian railway budget 2017