Basic and Detailed Design, Equipment Supply, IEC 61850 based Automation system, Civil Work, Erection, Test and Commissioning of 3 pcs of 154/33kV 80(100)MVAGas insulated Power Transformers, 4 pcs of 154 kV GIS Transformer Feeders, 4 pcs of 154kV GIS Line Feeder, 1 pcs of 154 kV GIS Coupling Feeder and 27 pcs of 33 kV Medium Voltage Feeders to be completed on turn-key basis .