Key facts
- India's new mining taxation reforms aim to provide policy certainty and strengthen domestic iron ore supply.
- The Mines and Minerals (Development and Regulation) Amendment Act restricts states from imposing independent mining taxes.
- A Supreme Court ruling in July 2024 clarified state powers on mineral rights and previous tax demands.
- The reforms eliminate retrospective tax demands and aim to create a uniform tax framework.
- Steel Authority of India expects the reforms to increase iron ore availability and reduce import dependence.
India's recent mining taxation reforms, enacted through the Mines and Minerals (Development and Regulation) Amendment Act (MMDR) 2026, are set to bring policy certainty and strengthen the domestic iron ore supply, according to industry experts. The act, effective August 22, restricts individual states from imposing new mining-related taxes and cesses, requiring adherence to central government conditions.
This legislative change follows a significant July 2024 Supreme Court ruling where an eight-judge majority determined that royalty payments are distinct from taxes and are merely for the right to extract minerals. The court also affirmed state governments' power to levy their own taxes on mineral rights, while clarifying in August 2024 that states could demand previous dues but not for periods prior to April 1, 2005.
Rashmi Group chief of strategy and corporate affairs Arnab Kumar Hazra noted that the amendment removes business model uncertainty and the "retrospective overhang" that could jeopardize investments. Following the 2024 ruling, some states began imposing non-uniform taxes on minerals. The retrospective tax provision had exposed the sector to substantial liabilities, with estimates of dues reaching 2 trillion rupees ($20.9 billion). NMDC, India's largest merchant iron ore miner, estimates its potential tax liability in Karnataka at approximately Rs158 billion.
The amendment stipulates that any mineral tax demand is invalid if the state had not collected the tax before the new law took effect. However, taxes already collected will not be refunded. Industry participants believe these reforms will foster a more uniform tax framework, limit states' ability to introduce new levies, and eliminate retrospective tax demands, thereby boosting confidence in the mining sector.
State-owned producer Steel Authority of India (Sail) stated that the reforms will enhance the availability of iron ore in the domestic market, bolstering raw material security and reducing import dependence. Sail indicated that improved viability and development of its captive mines would allow it to supply additional iron ore to the market. Hazra also suggested that state governments may now expedite mine auctions to increase revenues.