The race among India's biggest industrial groups to secure bauxite resources has intensified, with Vedanta’s BALCO emerging as the highest bidder for the Karlapat bauxite block in Odisha, one of the country's largest untapped deposits, according to people familiar with the matter.
Located in Odisha's Kalahandi district, the Karlapat block spans more than 3,100 hectares and is estimated to hold over 200 million tonnes of bauxite. BALCO quoted a 175% auction premium to emerge as the highest bidder, marking the highest premium ever offered for a bauxite block auction in India, the people said, requesting anonymity because the details are not yet public.
Vedanta did not immediately respond to Mint's queries.
The outcome of the auction is significant as aluminium makers and new entrants alike compete to lock in long-term access to the mineral amid an aggressive capacity expansion cycle.
The Karlapat block was among 11 mineral blocks auctioned by the state government on 29 May under the Mines and Minerals (Development and Regulation) Act and the Mineral (Auction) Rules, 2015. The block is the largest bauxite reserve on offer in the current auction, according to commodities intelligence firm BigMint.
The auction had drawn interest from several heavyweight conglomerates. Mint first reported on 17 July that Adani Enterprises, Reliance Industries, Hindalco Industries, Vedanta Aluminium, Naveen Jindal-backed PowerMech and state-run Coal India had purchased tender documents for the block for ₹5 lakh.
"Buying the tender document does not guarantee participation in the auction, but it does signal intent," said Dhruv Goel, chief executive officer of BigMint told Mint earlier.
The high auction premium for Karlapat reflects a broader shift underway in India's aluminium industry, where access to captive raw materials is becoming as important as adding smelting capacity and companies are racing to secure the ore.
Auction trends
The intensity of the bidding also mirrors recent auction trends. According to BigMint, 43 bauxite blocks have been auctioned across India between 2017 and 2026, with Odisha consistently recording some of the highest premiums. Winning bids have ranged from 72.25% to 126.76%, while marquee deposits such as Sijimali and Kutrumali were secured by Vedanta and the Adani Group, highlighting the premium companies are willing to pay for large, high-grade, long-life bauxite assets.
The aluminium sector has also attracted interest from a new player. The Adani Group, which plans to invest about $11.5 billion in a 2 million-tonnes-per-annum aluminium project in Odisha with International Holding Company (IHC), needs assured bauxite supplies to support its planned entry into the sector. Established producers Hindalco and Vedanta are also expanding capacity, making high-quality bauxite assets increasingly scarce and strategically valuable.
Demand for aluminium is expected to remain robust, driven by infrastructure, renewable energy, electric vehicles and aerospace, prompting producers to secure long-life mines before competition intensifies further.
Vedanta Aluminium is India's largest producer with an annual capacity of 2.5 million tonnes, followed by Hindalco at 1.4 million tonnes and state-run National Aluminium Company Ltd (Nalco) at 0.5 million tonnes. Adani's proposed project is expected to reshape the industry's competitive landscape over the coming years.