Bharat Progress Report 2024: PM Modi Inaugurates World’s Longest Twin-Lane Sela Tunnel In Arunachal Pradesh
21 Dec 2024 18:18 PM IST
Built at an estimated cost of ₹825 crore by the Border Roads Organisation (BRO), the Sela Tunnel is an engineering marvel that has two tunnels and over 8 kilometers of approach and link roads.