Tender for Providing Of High Speed Exhaust Fans In The 33kv And 11kv Air Insulated Indoor Switch Board Panels, Providing Of The Space Heaters And Comprehensive Maintenance To The Existing 33/11kv Indoor Sub Stations In Visakhapatnam Circle To Avoid Flash Over Due To Moisture Entering In The 33kv And 11kv Panels And To Maintain Un Interrupted Power Supply in Visakhapatnam - Andhra Pradesh

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