Correct Answer : Arunachal Pradesh
* Kameng (Arunachal Pradesh) [India], 18 October 2021 : With the aim to cut short the time for military convoy going towards the forward base near the China border, Border Roads Organization (BRO) is constructing a 500-metre long all-weather tunnel near Nechiphu pass in Arunachal Pradesh.
* The tunnel is being constructed under Project Vartak between km 82.00 and km 88.00 along Balipara Tawang Road at an altitude of 5,600 feet.
* Anant Kumar Singh, the executive engineer of Project Vartak of BRO, said that the Nechipu tunnel is going to cut short travel distance by 6 KM and travel time by 20 minutes.