Procurement Of Mitsubishi Electrical Co. Make Excitation System Avr Spares Installed At 2x660 Mw, Sstpp, Mppgcl, Dongalia Procurement Of Mitsubishi Electrical Co. Make Excitation System Avr Spares Installed At 2x660 Mw, Sstpp, Mppgcl, Dongalia/etni-ii