Repairing 02 Nos. Of Wti And Oti Protective Device Of 1Mva, 11Kv/550V/440V Power Transformer Sl.No.35277 Of Kali Mandir Substation And 1000Kva, 11Kv/440V Power Transformer Sl.No.32026 Of Kali Mandir Substation Of Amp Colliery.