Design and construction of 11KV/440V, 33KV/440v sub-station for industrial/Commercial or institutional project. It is the arrangement of all equipment which are used for proper operation of sub-station(ie. Transformer ,VCB Panel,two pole/4 pole structure,Ht Cables and Heat shrink termination kits) where step-down transformer is installed. These all equipment are erect on the foundation of concrete cement and sand, in specified area is known as switchyard. And few equipment are connected to control panel (RTCC) which are install in control room with the help of control cables.