Prime Minister inaugurated strategically important Sela tunnel in Arunachal Pradesh.
About Sela tunnel
- Constructed on road connecting Tezpur in Assam to Tawang in Arunachal Pradesh by Border Road Organization’.
- Constructed using New Austrian Tunnelling Method (NATM).
- NATM is a support method to stabilize tunnel perimeter with the help of sprayed concrete and other support and uses regular monitoring to control stability of tunnel.
- World’s longest bi-lane tunnel (~1.5 kms) to provide all-weather connectivity at an altitude above 13,000 ft.