The Northeast Frontier Railway is inviting e-tenders for the construction of balance work for Tunnel No. 6, escape tunnels, and slope protection in the Pherima-Piphema Section of the Dimapur-Kohima New BG Line Project, a contract valued at approximately ₹506.18 Crore, with bids closing on May 29, 2026, on www.ireps.gov.in.