Maintenance Of Existing Borewell Air Compressor Mini Power Pumps And Submersible Power Pumps / Open Well Submersible Motor In Division No. 9 To 11 And 32 To 36 At Zone-Iii. Maintenance Of Existing Borewell Air Compressor Mini Power Pumps And Submersible Power Pumps / Open Well Submersible Motor In Division No. 9 To 11 And 32 To 36 At Zone-Iii..