Annual Maintenance Contract Of Repairs And Rectification Of Various Sizes Of Distribution Pipe Line Leaks And Pumping Main Leaks, Supply And Delivery Of Various Sizes Of Hdpe Ms Specials And Ci Df Gate Valves Sluice Valves For The Maintenance Of Existing Distribution System In Ward No 89 To 92 93P And 94P Under Ae Wss Gopalapatnam Section In Gvmc Visakhapatnam For The Year 2025-2026.