Protective Relay Calibration, Testing, and Setting Verification for NCL Substations and Workshop

This tender, initiated by Northern Coalfields Limited (NCL), a Public Sector Undertaking, seeks qualified bidders for the comprehensive Calibration, Testing, and Setting Verification of Protective Relays installed within the High Tension (HT) and Low Tension (LT) panels of Substation F, Substation H, East Substation, and the Workshop. The estimated value of this critical work is ₹6,22,521, with a specified work period of 30 days. This is an Open Tender, adhering to an Item Rate contract form, and requires a two-cover bid submission system encompassing Eligibility, Technical, and Financial aspects. Bidders are advised to note the critical dates: document download and bid submission are open from October 23, 2026, 06:30 PM, until November 4, 2026, 05:00 PM, with the bid opening scheduled for November 5, 2026, at 10:00 AM. An Earnest Money Deposit (EMD) of ₹7,800 is mandated, payable online. The tender reference number is DCH/EnM/Tender/Mine/26-27/12. Further details and tender documents are available for download from October 23, 2026, 06:30 PM, until November 4, 2026, 05:00 PM. The issuing authority is the STAFF OFFICER (ENM) OFFICE DUDHICHUA PROJECT NCL, located at Dudhichua Project, Pincode 231222.