A six-year-old boy fell into an open borewell at nearby Sulikeri village on Sunday and all out efforts were underway to rescue him. br br Tipanna Hatti slipped into the 300-feet borewell in his father's sugarcane field while he had gone there to play with his 12-year-old cousin and is suspected to be stuck at a depth of 160 feet, senior district officials told reporters. br br The National Disaster Relief Force team has been requisitioned from Pune, even as efforts are underway to gain access to the boy by digging a parallel pit and oxygen is being supplied to him, district in charge minister SR Patil told reporters at the site.