Sela Tunnel is a road tunnel at 3,000 metres which ensures all-weather connectivity between Guwahati in Assam and Tawang in Arunachal Pradesh. This tunnel is the longest bi-lane tunnel in the world at 13,000 feet. Situated 400 metres below the Sela Pass, the Sela Tunnel offers a vital passage, even during the winter season. The tunnel helps them move troops, weapons, and machinery quickly along the Sino-India border.
