NGR Protection System Supply and Installation for Coal Mines Transformers and DG Sets

South Eastern Coalfields Limited (SECL), a Public Sector Undertaking, invites sealed bids through an open tender process for the "Supply, installation, testing and commissioning of NGR 3.3 kV protection system in 33kV/3.3kV Power transformers and 3.3kV DG Set at 33kV S/s and NGR 440V protection system in 3.3kV/550V/440V power transformers at NCPH, RA and VW UG Mines of CHRM Area." The estimated tender value is ₹32,00,048, with an Earnest Money Deposit (EMD) of ₹40,100. This is an item rate contract with a work period of 120 days and a bid validity of 120 days. The tender documents are available for download from October 16, 2026, 10:00 AM until October 22, 2026, 05:00 PM. Bids can be submitted online from October 17, 2026, 10:00 AM, with the submission deadline being October 22, 2026, 05:00 PM. Bid opening will take place on October 23, 2026, at 10:00 AM at the Office of the Staff Officer (EnM), Chirimiri Area. This tender requires two covers: the first cover will contain Fee/PreQual/Technical documents including Work Experience, DSC Authorization, Undertaking as per Annexure-XV, and Electrical Contractor License, while the second cover will contain the Bill of Quantities (BOQ) for financial evaluation. The tender is being invited by the Staff Officer (EnM), Chirimiri Area, SECL, from their office at the Office of the General Manager, SECL Chirimiri Area, P.O. West Chirimiri, Distt. MCB (C.G.) 497773.