Tenders for Periodical Special Assistance For Breakdown / Preventive Maintenance & Annual Overhauling Works Of Generator And Its Auxiliaries, Generator Relay Panels, Davr, Generator Control & Common Auxiliary Desk Panels, Batteries & Battery Chargers Of Units -5, 6, 7 & 8, Variable Frequency Drives For Id Fans Of Unit-5, 6 & 8, 400 Kv Switch Yard Controls & Relay Panels And Marshaling Kiosks, Batteries And Chargers For A Period Of One Year