Tender for Providing Of Operation And Maintenance Of Switchyard - Routine Maintenance Of Bay Control Unit Based Distributed Architecture Type Control And Relay Panels Along With Substation Automation System With Yard Ac Kiosk Arrangement In 400/220/132kv Substation, Generator Control & Relay Panels, Static Excitation System Of 5x200mw Units Installed In ‘b’ Thermal Power Station, Obra, Sonebhadra. Uttar Pradesh in Sonbhadra - Uttar Pradesh

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