Erection, Testing And Commissioning And Trial Operation Including Supply And Application Of Final Painting And Handling Of Materials At Site Bhel Stores / Client Stores/ Storage Yard, Transporting To Site Of Erection Of Electrical, C&I Works For Flue Gas Desulphurization (Fgd) System At 1 X 800 Mw North Chennai Thermal Power Plant Stage-Iii, Chennai