Chandigarh, April 23, 2025: Larsen & Toubro has achieved the breakthrough in India's longest railway tunnel – the 14.57 km Tunnel No. 8 – on the 125-km Rishikesh-Karnaprayag Broad Gauge Rail Link Project of Rail Vikas Nigam Limited (RVNL). Tunnel No. 8 stretches between Devprayag and Janasu in Uttarakhand. The breakthrough was achieved using a […] The post L&T Achieves Major Breakthrough in India's Longest Rail Tunnel on Rishikesh-Karnaprayag Line first appeared on Business News Week.