Supply, Installation, and Commissioning of Neutral Grounding Resistors and Isolation Transformers for Cauvery Asset Surface Installations

Oil and Natural Gas Corporation Limited (ONGC), a leading Public Sector Undertaking, is inviting bids for a critical project involving the "Supply, Installation, Testing and Commissioning of Neutral Grounding Resistors (NGRS) and Isolation Transformers at Surface Installations, Cauvery Asset." This open tender, with Tender ID 2026_ONGC_294697_1 and Tender Reference Number V16DC26008, presents a valuable opportunity for qualified entities in the Electrical Works sector. The scope of work encompasses the complete lifecycle of NGRS and isolation transformers, from procurement and installation to final testing and commissioning, within the operational areas of the Cauvery Asset. The estimated tender value for this undertaking is ₹1,10,65,021, with a defined work period of 120 days and a bid validity of 90 days. Bidders are required to submit their technical bids in PDF format and their price bids (BOQ) in XLS format, as outlined in the two-cover bid system. The earnest money deposit (EMD) for this tender is fixed at ₹2,28,000, payable to Oil and Natural Gas Corporation Limited, with no exemptions or alternative payment methods allowed for the EMD. Interested parties can download the tender documents starting from October 15, 2026, at 06:55 PM, up until November 5, 2026, at 03:00 PM. The bid submission period also aligns with these dates, with bids accepted from October 15, 2026, 06:55 PM, to November 5, 2026, 03:00 PM. The bid opening is scheduled for November 6, 2026, at 03:30 PM, at the Cauvery Asset, Karaikal, Pincode 609604. This tender is crucial for enhancing the operational safety and reliability of ONGC's surface installations within the Cauvery Asset.