Numaligarh Refinery Limited (NRL) invites electronic bids for the commercial auction of 10,000 MT of Raw Petroleum Coke (RPC). The first auction session targeting Assam buyers will take place on June 23, 2026, from 11:00 AM to 1:00 PM. A secondary open auction for any leftover stock is scheduled for June 25, 2026, from 11:00 AM to 1:00 PM. The minimum allocation volume per bidder is set at 500 MT. Business rules and registration formats are hosted at nrl.co.in and tenderwizard.com.