First video of manual drilling inside collapsed Uttarkashi tunnel released | Latest News India
Rat-hole mining experts called in to help rescue the 41 workers began manual drilling through the rubble of Silkyara tunnel in Uttarakhands Uttarkashi. | Latest News India
Syed Ata Hasnain Neeraj Khairwal Uttarakhand Uttarkashi National Disaster Management Authority Char Dham Vertical Drilling
Source: hindustantimes.com