Get latest articles and stories on India at LatestLY. According to the statement from the Ministry of Defence, the tunnel has been constructed by the Border Roads Organisation (BRO) at an altitude of 13,000 feet on the road connecting Tezpur, Assam, to Tawang in the West Kameng district of Arunachal Pradesh. India News | Sela Tunnel to Provide All-weather Connectivity to Tawang, Improve Ease of Travel for People: PM Modi.