Rescue teams on Saturday began widening a hole drilled into an approach tunnel on the way to the possible location of over 30 people trapped inside a sludge-choked tunnel of the NTPC's Tapovan-Vishnugad hydel project after a flash flood ravaged the area on Sunday.
Security personnel at work inside the tunnel rushed out and heavy machines engaged in drilling through the debris and sludge inside were withdrawn.
The SP of Chamoli district, which faced the brunt of the glacier break in Uttarakhand, provides insights about the rescue operations.
Using drones and remote-sensing equipment, rescue teams intensified efforts on Wednesday to reach the 25-35 men trapped in a sludge-choked tunnel since the Uttarakhand glacier disaster three days ago and more than 170 remained missing, hopes of finding them alive fading with every passing hour.
A 13.2 MW small hydro project on the Rishiganga river was swept away in the glacier burst in Uttarakhand on Sunday, but there is no danger of floods in the downstream areas as the water level has been contained.
A portion of the Nanda Devi glacier broke off in Uttarakhand's Chamoli district on Sunday, triggering an avalanche and a deluge in the Alaknanda river system that washed away hydroelectric stations, leaving at least seven people dead and 125 missing who are feared dead.
'We have been appealing to various governments for so many years that there should be no dams in the Himalayas, but no one listens.' 'Nature responded in its own way.'
