Uttarakhand floods: Rescuers begin widening hole in Tapovan tunnel to find missing people; toll rises to 38 A hole with a diameter of one foot will help send in a camera to ascertain the location of the workers believed to be trapped inside the tunnel and a pipe to flush out accumulated water from the tunnel, an NTP official said File image of rescue workers at the NTPC tunnel. PTI
Tapovan (Uttarakhand): 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.