Refilling of Fire Extinguisher Cylinders- Nitrogen filling of, DCP extinguisher up to 09 Kg; Refer SOR and SOW; More, than 5 Years, Refilling of Fire Extinguisher Cylinders-, Nitrogen filling of DCP extinguisher 25 Kg; Refer SOR and, SOW; More than 5 Years, Refilling of Fire Extinguisher, Cylinders- Nitrogen filling of DCP extinguisher 50 Kg; Refer, SOR and SOW; More than 5 Years, Refilling of Fire, Extinguisher Cylinders- Refilling of CO2 Cylinder 2 Kg; Refer, Extinguisher Cylinders- Refilling of CO2 extinguisher, 4500gm; Refer SOR and SOW; More than 5 Years, Refilling, of Fire Extinguisher Cylinders- Refilling of CO2 extinguisher, 6800gm; Refer SOR and SOW; More than 5 Years, 9 Kg; Refer SOR and SOW; More than 5 Years, Refilling of, Fire Extinguisher Cylinders- Refilling of CO2 extinguisher, 225 00 gm; Refer SOR and SOW; More than 5 Years, Refilling of Fire Extinguisher Cylinders- Refilling of Nitrogen, cylinder 45L or 68L; Refer SOR and SOW; More than 5 Years, Refilling of Fire Extinguisher Cylinders- Refilling of BA Set, cylinder 300 bar; Refer SOR and SOW; More than 5 Years, Refilling of Fire Extinguisher Cylinders- Hydrotesting of CO2, extinguisher; Refer SOR and SOW; More than 5 Years, Refilling of Fire Extinguisher Cylinders- Hydrotesting of DCP, Refilling of Fire Extinguisher Cylinders- 9kg DCP powder, refilling Nitrogen pressurization; Refer SOR and SOW; More, Hydrotesting of BA Set cylinder 300 bar; Refer SOR and, Cylinders- Replacement of discharge hose DCP Extinguisher, upto 9 kg; Refer SOR and SOW; More than 5 Years, of Fire Extinguisher Cylinders- Replacement of discharge, tube with horn of CO2 extinguisher; Refer SOR and SOW;, More than 5 Years, Replacement of valves of DCP 9kg; Refer SOR and SOW;, Replacement of valves of CO2 4500gms; Refer SOR and, Cylinders- Replacement of Pressure gaugeDCP, extinguishers; Refer SOR and SOW; More than 5 Years