"Rescue efforts are going on. We suspect the girl might be trapped 45 feet into the hole. We have reached a depth of 42 feet, after digging a parallel trench," Manchala police station inspector P Jagadeeshwar told PTI.
"We are hopeful of reaching the girl in about next two-three hours," he said.
The incident occurred last morning on the outskirts of Manchala village when the girl, Girija accidentally fell inside the open borewell while playing when her grandparents were working in the field in Ranga Reddy district, police had earlier said.
Police and revenue officials had carried out the rescue operation last night as well.