supply of procurement of supply of 1000 kva, 11-6.6/0.415 kv, dua etc.procurement of supply of 1000 kva, 11-6.6/0.415 kv, dua etc.,supply of 1000 kva, 11-6.6/0.415 kv, dual ratio , oil cooled, step down indoor distribution tr ansformer, 3 phase, 50 hz, double wound copper oil immersed , natural cooled complete with all accessori es and safety devices as per pcee/kkks specification no. pcee-139(r-2)/2017 or latest including installatio n, testing and commissioning after dismantling of existing transformer. the essential spares like hv bushin g with metal parts and wti of 01 no. each will be supplied by firm.(make of transformer: eastern transform er, automatic electro gear, ae, century transformer). [ warranty period: 30 months after the date of deli very ] ]