Bilaspur-Manali-Leh Rail Line: 60 Tunnels & Survey Progress Explained for Exams August 9, 2026 Tushar Kumar Current Affairs Bilaspur-Manali-Leh rail line to feature 60 tunnels, survey underway from Salapar to Sarchu; key for UPSC, RBI Grade B, SSC exams. Details inside. Continue Reading