This corrigendum issued by Pakistan Railways Karachi Cantt updates the tender PID (H) 280/2025 originally published on 22-01-2026. The revised bidding documents have been uploaded on the e-Procurement portal and form an integral part of the original tender. The submission and opening dates for bids have been extended to 16th February 2026 at 12:00 PM and 12:30 PM respectively, allowing bidders additional time to prepare their proposals. The tender requires submission of an original bid security amounting to PKR 2,500,000 in the form of a Call Deposit Receipt (CDR) from any scheduled bank in Pakistan, favoring the Project Director/TR (Kotri-Akhundabad), Pakistan Railways Hyderabad. This security must accompany the technical proposal. The scope involves services related to the Pakistan Railways project in Karachi Cantt, demanding strict adherence to the updated bidding documents and timelines. Bidders should ensure compliance with the Pakistan Engineering Council (PEC) category requirements and maintain an active FBR/ATL status for the fiscal year 2025-26. It is advisable to verify all eligibility criteria and documentation to avoid disqualification. The earnest money and technical bid submission must follow the prescribed format to meet Pakistan Railways' procurement standards. The final submission deadline is set for 16th February 2026, with bid opening scheduled shortly after at the Pakistan Railways office in Karachi Cantt. Prospective bidders must submit sealed bids through the e-Procurement system as per the corrigendum instructions. No further extensions or separate notifications will be issued. Pro-Tip: Carefully review the corrigendum details on the e-Procurement portal to ensure all amendments are incorporated in your bid. Missing the updated bid security format or submission deadline could lead to outright rejection.