This tender notice concerns the Signal Up-gradation Project managed by Pakistan Railways in Lahore, focusing on electrical and civil works related to railway signaling systems. The project involves upgrading signal infrastructure to enhance operational safety and efficiency on Pakistan Railways' network. The scope includes installation of advanced signaling equipment, electrical wiring, and civil works at designated sites in Lahore. These upgrades require specialized materials and skilled engineering to meet stringent railway safety standards and ensure seamless integration with existing systems. Bidders should ensure compliance with Pakistan Engineering Council (PEC) requirements relevant to electrical and civil works categories. Additionally, firms must be registered with the Federal Board of Revenue (FBR) and maintain an Active Taxpayer List (ATL) status for the fiscal year 2025-26. It is advisable to prepare all documentation, including Earnest Money and Call Deposit Receipt (CDR), in accordance with the tender specifications. The revised deadline for submission of Technical Bids is set for 12:00 PM on 16th February 2026, with bid opening scheduled at 12:30 PM the same day. All submissions must be delivered to the Project Director, Signal Up-gradation Project, Pakistan Railway Headquarters Office, Lahore. Ensure timely delivery to avoid disqualification. Pro-Tip: Carefully review the corrigendum details published in The Nation and Roznama Jung newspapers to avoid missing the extended deadline. Also, verify the required stamp duty and bid security formats as these are common pitfalls in railway tenders.