The Northern Railway Corrigendum pertains to Tender Notice No. 19/2026-2027 and Tender No. 07261057. It outlines three primary changes to the original requirements:Key ChangesExtended Deadline: The tender opening date has been moved from July 6, 2026, to July 21, 2026.Specification Update: The RDSO Specification No. RDSO/2013/CG-01 has been updated from (Rev. 01) to (Rev. 02).Item Modification: Changes have been made to the UVAM RDSO sub-item numbers under Item ID 3105337, specifically refining the identification numbers for the required parts.