A map of the Silkyara tunnel has emerged that shows an escape route as part of the original design. Standard operating procedure requires that this should be built inside every tunnel more than 3 km in length
A high performance drilling machine was brought in Uttarkashi from Indore on Saturday to pierce through the rubble of the collapsed tunnel on the Char Dham route and was being assembled before it is deployed to resume drilling, officials at the site said.
Uttarkashi: With time running out, officials on Saturday began preparations to drill a vertical hole from the top of the hill under which 41 workers have been trapped.
With time running out, officials on Saturday began preparations to drill a vertical hole from the top of the hill under which 41 workers have been trapped inside a collapsed tunnel for seven days with limited food and communication.