Repair, Op. And Mntc. Of Distribution System, Rising Main, Allied Pipelines, Valves, Valves Chambers, Stand Posts, Repairing Of Fhtc And Providing New Fhtc For Sandeshkhali W/S Scheme, Sdk-Ii, Under Hasnabad Sub-Divn. P.H.E. Dte. For 1 Repair, Op. And Mntc. Of Distribution System, Rising Main, Allied Pipeline, Valves, Valves Chambers, Stand Posts, Repairing Of Fhtc And Providing New Fhtc For Sandeshkhali W/S Scheme, Sdk-Ii, Under Hasnabad Sub-Divn. P.H.E. Dte. For 1 Y