This is the Sela Tunnel, the longest bi-lane road tunnel in the world. The Sela tunnel is being constructed by the Border Roads Organisation at an altitude of 13,800ft near the Indo-China border.

Tourists are flocking to Arunachal's Sela Tunnel, drawn by its stunning snow ... Immigration & Foreigners Bill: India will welcome students, medical visitors, but not Infiltrators, says Amit ...