Design, Supply, Erection, Testing, Commissioning Of Co2 Gas Fire Suppression System Of Stage-1 And 4 Ps.Refilling The Co2 Cylinders With Complete Overhauling Of Fire Alarm System, Supply Of Detectors, Testing, Commissioning Of Co2 Gfss For Stage-Ii Ps Design, Supply, Erection, Testing And Commissioning Of Co2gas Fire Suppression System For Umiam Stage-I And Umiam-Umtru Stage-Iv Power Stations And Refilling Of The Co2 Cylinders Along With Complete Overhauling Of Fire Alarm System