Transformer oil filtration , replacement of transformer oil of 400KVA, 6.6KV/433V Power Transformer at Stacker Reclamier-I,II,III,IV, Overhaul of 3-Phase, 11KV/415V, 2000KVA Power transformer , overhaul of power transformers at locations of S/R's-I&II & replacement of failed 433V/415V 3-phase 4-wire power/ lighting distribution/welding /SM transformers of different capacities ,laying different types of power cable in marshaling yard, conveyor galleries, various locations and maintenance of earth pits as and when required in EM/CHP divison/Dr.NTTPS from 01-04-2026 or from the date of commencement of work to 30-09-2026.