Context: India will soon be home to the world’s longest highway tunnel beneath Shinku-La Pass.
Shinku-La Tunnel

• The Shinku-La tunnel will be built at Shinku La Pass at an altitude of 16,580ft.
• The tunnel will be 4.25 km in length. It will provide all-weather connectivity between Ladakh and Himachal.
• Built by: Border Roads Organization(BRO) under Project Yojak by 2025.
• Significance: Once constructed, it will be the world’s longest and highest tunnel at this altitude.

About Shinku-La Pass

• Shinku-La Pass is a mountain pass between Zanskar Valley in Ladakh and Lahaul Valley in Himachal Pradesh. 
• This pass may be considered as an entry point to Lugnak Valley in Zanskar.