Operation & Maintenance Of Total Distribution System, Pipelines (Ci/Di/Ac/Upvc) Inclusive Of Any Augmentation / Rejuvenation / Special Repair Of Scheme With Repairing Of Valve Chambers At Buita&Nischintapur W/S Scheme And Engagement Of Valve Operator, Ex-Serviceman Security Guards (Armed / Un-Armed) Atmograhat-Ii, Joynagar-I, Mograhat-I, Joynagar-Ii, Kulpi Block And Booster Station Of Sonarpur Rur