"We have a target to reach 45 feet and then dig a tunnel. It might take some time as there are hard stones in the way. The child, however, is not responding as he might have fallen unconscious. Efforts are on to save the boy," Jaiswal added. Betul Borewell Rescue Operation Crosses 38 Hours, Efforts On to Save Eight-Year-Old Tanmay Sahu in Madhya Pradesh.