Supply, Delivery And Fixing Of 900Mm Dia Butterfly Valves, 900Mm Dia Non Slam Type Nozzle Check Valves (Nrv) And 1200/1100Mm Dia Butterfly Valves For 3000Kw/4021Hp Pumpsets At 6.6Kv Pumping Stations Mumur, Bommakal, Mallaram And Kondapaka Under Electrical Sub Division Trans.Div.Iv, Control Room