Uttarakashi (Uttarkhand) [India], November 22 (ANI): Uttarakhand Secretary and Nodal Officer for Silkayara rescue operation Neeraj Khairwal said on Wednesday that rescuers managed to insert a microphone and speaker into the tunnel while a team of the National and State Disaster Response Force established audio communication with the 41 workers trapped in a 60-metre stretch on the Silkyara side of the tunnel.
Giving update
