5 facts about Sierra Tunnel, the world’s longest dual-lane project in Arunachal Pradesh
On February 9, 2019, Prime Minister Modi laid the foundation stone for the Sera Tunnel Project. Prime Minister Narendra Modi today inaugurated the Sierra Tunnel as part of his one-day visit to Arunachal Pradesh. Built at a cost of Rs 825 crore, the tunnel connects Tezpur to Tawang, close to the Line of Actual Control … Read more