Design, Supply, Erection, Testing & Commissioning of Traction Sub Stations (Scott/V connected) with associated Switching Posts (SP/SSP) for 2 x 25 KV feeding system along with provision of associated SCADA system in upgradation of Electric Traction System from 1x25KV to 2x25KV Traction System for Kumandih- Garhwa Section of ECR to meet 3000 MT loading target.