The 125km line will run in tunnels for 85% of its length, including a 15.1km tunnel between Devprayag and Lachmoli which will be the longest in India. The Rs 162.2bn ($US 2.27bn) project is due to be completed by 2025, reducing the Rishikesh - Karnaprayag journey time from seven to two hours. For detailed data on rail projects in India, subscribe to IRJ Pro.