This document is the 1st Corrigendum regarding Bid Identification No: Online – RWCCESNG- 20 of 2026-27 for the Office of the Chief Construction Engineer, Rural Works Circle, Sundargarh.The corrigendum modifies key dates for the tender, including the availability of the tender online (now 06.08.2026) and the deadline for bidding (now 24.08.2026).The technical bid opening is scheduled for 25.08.2026 at 11:00 AM.All other terms and conditions remain unchanged.