DEHRADUN: A heavy-duty drilling machine flown in by the IAF from Delhi began boring through the rubble of a collapsed tunnel on the Char Dham route in Uttarakhand on Thursday, in a fresh attempt to ...

An auger boring machine is used to drill earth horizontally. It consists of a cutting head, a flighted drive tube, and the drive mechanism to supply the force to push the auger through the earth. The ...

The first pipe has been inserted into the debris of the tunnel through a jack and push earth auger machine. Rescue officials are hopeful that by late night, the evacuation of workers will start.