Repairing Of 2 Nos. Of 3.3Kv, 150Amps, Mv Make Ocb Primary Main Of 315Kva, 3.3Kv/550V Power Transformer And 250Kva, 3.3Kv/550V Power Transformer Feeding Power To Domestic Pumps Installed At Sgp Chinakuri Substation Of Chinakuri Mine-I Under Sodepur A