08 Aug 26 60 Tunnels in Bilaspur-Manali-Leh Rail Line: Key Survey Insights for UPSC
Bilaspur-Manali-Leh rail line to feature 60 tunnels; survey from Salapar to Sarchu completed in 40 days. Key for UPSC: Himalayan challenges, geotechnical stud...
Bilaspur-Manali-Leh rail line to feature 60 tunnels; survey from Salapar to Sarchu completed in 40 days. Key for UPSC: Himalayan challenges, geotechnical stud...