Uttarakhand: India's Longest Rail Tunnel In Rishikesh-Karnaprayag Route Completed, Travel Time To Reduce By Five Hours

India’s longest rail tunnel, a 14.57 km stretch between Devprayag and Janasu in Uttarakhand has been completed ahead of schedule, thanks to two tunnel boring machine (TBM) operators who worked day and night to cut through unforgiving Himalayan terrain,