Supply Of Providing Non Pathogenic Bacterial Bio Culture For Biological Treatment Of Sewage In Stp,providing Suitable Grade Molasses As Carbon Source For Biological Treatment Of Sewage In Stp,providing Chlorine Solution Having Available Chlorine Content 9 To 10 Percent For Stp,providing Split Leather Industrial Safety Gloves Or Gauntlets For Maintenance Works,providing 2 Inch Upvc Foot Valve With Strainer And Non Return Valve For Water Pumping System,repairing And Rewinding Of 1 Point 5 Hp Monoblock Pump Set Complete In All Respects,repairing And Rewinding Of 3 Hp Monoblock Pump Set Complete In All Respects,repairing And Rewinding Of 2 Hp Monoblock Pump Set Complete In All Respects,cleaning Of Sewer Tank By Diesel Operated Suction Cum Jetting Sewer Cleaning Machine,taking Out Stone And Sand From Filter Media Tank And Refilling After Cleaning And Dechoking,supplying And Filling Stone Boulders Of Size 5 Cm To 20 Cm In Stp Filter Media Tank,supplying And Filling Gravels Of Size 5 Mm To 10 Mm In Stp Filter Media Tank,suppl