Two oil filled transformers 1000 kVA and 2000 kVA, 6.6 kV designed by Pune Unit and manufactured at Mysore Plant have successfully passed dynamic short circuit test at ERDA and CRPI. Also Cast Resin Transformer for NTPC 2500 kVA, 11 kV with very high impedance 12.5% passed short circuit in ERDA, Baroda.