Uttarkashi. It has been 11 days since 41 laborers were trapped in the Silkyara Tunnel of Uttarkashi, Uttarakhand. As part of the rescue operation, drilling is being done with an auger machine. Till now, 800 mm pipe has been inserted into the tunnel by drilling 32 meters with the auger machine. At the same time, to supply food and water to the workers trapped inside; a six-inch pipe is being used, which has been fitted by making a hole in the tunnel