Uttarakhand Tunnel Collapse Latest News: 20 Metres Drilled Vertically, 180m Alternate Escape Route Also in Plan

Uttarakhand Tunnel Collapse Latest News: 20 Metres Drilled Vertically, 180m Alternate Escape Route Also in Plan

Uttarkashi Tunnel Collapse Latest News: The drilling of an 8-inch pipeline has been done for about 70-80 meters and has been put on hold. Whereas drilling of a pipeline with a diameter of 1.2 meters has been done for about 20 metres