supply of supply, installation, testing and commissioning of isi marked oil immersed, naturally self cooled, energy efficient (eel-2), 1000 kva, 11 kv/0.433 kv, double copper wound, crgo type, delta/star connectedsupply, installation, testing and commissioning of isi marked oil immersed, naturally self cooled, energy efficient (eel-2), 1000 kva, 11 kv/0.433 kv, double copper wound, crgo type, delta/star connected,supply, installation, testing and commissioning of isi marked oil immersed, nat urally self cooled, energy efficient (eel-2), 1000 kva, 11 kv/0.433 kv, double copper wound, c rgo type, delta/star connected, vector group dyn11, 3 phase, 50 hz ac supply, indoor type di stribution transformer complete with all standard fittings & first filling of transformer oil as per is: 335/1993, built in accordance with is: 1180:2014 part-1(eel-2), is:2026/2011, is:1002 8(part-ii) detailed technichal specification as per attached annexure. make-servokon, abb, m ei, tesla, schnieder electric, siemens or similar [ warranty period: 30 months after the date of de livery ] ]