This tender invites qualified contractors in Karachi to provide corrective maintenance, repair, and programming services for a 100KVA diesel generator set under Pakistan State Oil Company Limited. The scope includes technical servicing and programming adjustments to ensure optimal performance and reliability of the generator, a critical asset for uninterrupted power supply at PSO facilities. The work requires experienced contractors familiar with diesel generator systems, especially 100KVA units, and the ability to handle both mechanical repairs and electronic programming. The site is located in Karachi, where environmental factors such as humidity and dust may pose challenges, demanding robust maintenance practices and skilled technical intervention. Bidders should ensure compliance with relevant PEC categories and maintain active FBR/ATL status for the fiscal year 2025-26. It is advisable to prepare a valid Earnest Money in the form of a Call Deposit Receipt (CDR) and submit all required documents including NTN, GST/PST certificates, and CNIC copies. Active tax payer status is mandatory for participation. The submission deadline is set for 20th January 2026 at 14:15 hours via the SAP Ariba portal, with bid opening scheduled the same day at 15:00 hours. Tender documents are available from 5th January 2026 to 20th January 2026 through SAP Ariba. The physical address for correspondence is 2nd Floor, PSO House, Khayaban-e-Iqbal, Clifton, Karachi. Pro-Tip: Ensure your SAP Ariba registration is complete and your request letter for tender documents is duly signed and stamped on official letterhead to avoid disqualification. Also, regularly check PSO and PPRA websites for any updates or amendments to the tender conditions.