Annual Maintenance Of Water Supply Network Duly Arresting Water Leakages, Rectification Of Pollution In Water Supply Lines, Clearing Chowkages/Blockages, Replacement Of Damaged Pipes And Repair And Replacement Of Sluice Valves And Addressing Various Water Supply Grievance For Smooth Functioning Of System For The Period Of (1) Year Under Baghlingampally Section, Sub Division Ii Of O And M Division V. (6th Call)