Tender For corrigendum : maintenance/repairing and rifilling of fireextinguishingequipment at 06 nos. 33/11 kv sub-stations vishwaskhand, vipinkhand, gwari culwart, vibhutikhand, mantri awas and virajkhand (as per boq) o&m head (year-2025-26) under jurisdiction of ee, eudd, gomtinagar, lucknow.