The tender opening date for Northern Railway Tender No. 77269045RGC has been extended from 21.07.2026 to 21.08.2026.This extension affects Tender Notice No. 21/2026-2027, originally dated 19.06.2026.The corrigendum notes that this is the first revision for this specific tender, and all other terms and conditions remain unchanged.Details for this tender can be found on the official website www.ireps.gov.in.