purchase of 160 mva , 220/132/11 kv auto power transformers alongwith nitrogen injection fire prevention and extinguishing system , 160 mva , 220/132/11 kv , 3 phase 50 hz , onan/onaf/odaf cooled auto power transformers , 160 mva , 220/132/11 kv , 3 phase 50 hz , onan/onaf/odaf or onan/onaf-1 / onaf-2 cooled auto power transformers with oil for first filling and 10% spare quantity and complete with on load tap changer , atmoseal conservator , rtcc panel , bushing cts , 3 phase pts and all other fittings and accessories as per specification including one set of four nos . hydraulic jacks ( common for all transformers ordered of this rating ) and mandatory spares as per technical specification . , unit f&i charges including unloading charges of transformer ( in rs . ) , nitrogen injection fire prevention and extinguishing system . , nitrogen injection fire prevention and extinguishing system . , unit f&i charges including unloading charges for nifpes ( in rs . )