[1] The Cabinet Committee on Economic Affairs approved the Silkyara Bend – Barkot Tunnel in Uttarakhand in February 2018.

The tunnel will be 4.531 kilometres (2.815 mi) long, two lanes, bi-directional and with escape passages including approaches.

1383.78 crore while the tunnel project will cost Rs.

The tunnel will reduce the travel distance from Dharasu to Yamunotri by about 20 kilometres (12 mi) and travel time by about an hour and provide all-weather connectivity.

[6][7] Rescue operations were immediately launched, and successfully concluded 16 days later, on 28 November.