Construction Of 1 No Ct And 1 No Pt Plinth, Construction Of 600 Mm X 600 Mm And 300 Mm X 300 Mm Cable Trench, Gravel Spreading And Electrical Works For One Incoming Feeder Bay Works At Bangar 33 / 11 Kv Sub-station Under Raiganj Division. Civil And Electrical Works In Substation