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 Jamalpur &Moukhali W/S Scheme And Engagement Of Valve Operator, Ex-Serviceman Security Guards (Armed / Un-Armed) At Intake Jetty At Dongaria Phed, Head Work Site, Ohr Joka 1, Ohr Joka 2, Ohr Bulk Water Supply Jok