Gem Bids For Power Transformer, Oil Immersed Type, 16/20mva, 132kv/11-6.6kv Power Transformer, Nifps And 11kv Ngrwith Fail Safe Monitoring Relay, 3mva, 11kv/3.3kv Powertransformer, 1mva, 11kv/440v Power Transformer