With 25 borewells removed near Sunnam Cheruvu and six at Thammidikunta, the combined total stands at 31. Hyderabad: HYDRAA has removed 31 borewells near two Hyderabad lakes as part of its ongoing crackdown against unauthorised groundwater extraction.The latest drive on Monday saw six borewells removed at Thammidikunta, opposite Shilparamam, and 10 more near Sunnam Cheruvu in Madhapur.