supply and delivery of 2000 kva or 02 mva, 33/11 kva, 03 phase 50 hz onan cooled copperwound energy efficient, level -2 transformer having vector group of yd 11, first fill of oil, cable box on ht and ltside, on circuit tapping +5 to -10 in step of 2.5 standard and extra fitting of bucholz relay, magnetic oilgauge, oil and winding temperature indicator, marshalling box and ct confirming to is: 1180fl2. make - kel,bhel, alstom, siemens, abb, kirloskar, areva or similar .