Annual Maintenance Contract Of Cleaning Of Existing 18 Nos Of Glsr S/E.L.S.R S, Sumps Of Various Capacities Existing In Wards 40, 58 To 63 And Clarriflocuators Of Mgr & Raiwada Wtp S & Existing Glsr S At Mindhi Water Works Of G.V.M.C Under Ae(Ws)-21 For The Year 2025-26.