Excavation with Jumbo Drill Machine in First Railway Tunnel of Rishikesh-Karnaprayag Rail Project Rishikesh Dhalwala: In a remarkable feat of engineering, a 125-kilometer-long railway line is being laid between Rishikesh and Karnaprayag, amidst the challenging terrain of the Himalayan mountains. The excavation work for railway tunnels is currently underway at various locations. In Rishikesh Dhalwala, the first railway tunnel of this project is being constructed, utilizing specialized machinery b