Supreme Court Upholds Royalty-on-Royalty Method for Iron Ore ASP Computation

Case in Brief

Kirloskar Ferrous Industries Ltd. and Anr. challenged the constitutional validity of the Explanations to Rule 38 of the Minerals (Other than Atomic and Hydro Carbons Energy Minerals) Concession Rules, 2016 and Rule 45(8)(a) of the Mineral Conservation and Development Rules, 2017. The challenge concerned the inclusion of royalty, District Mineral Foundation and National Mineral Exploration Trust payments in sale value while computing the average sale price for royalty purposes.

A two-Judge Bench comprising J.B. Pardiwala and K.V. Viswanathan, JJ. dismissed the challenge. It held that the impugned provisions are not arbitrary, do not infringe Articles 14 or 19(1)(g), and are not ultra vires Section 9 of the Mines and Minerals (Development and Regulation) Act, 1957.

Key Takeaways

• Section 9 of the MMDR Act does not prevent subordinate legislation from prescribing a methodology that includes royalty, DMF and NMET payments in sale value for calculating average sale price.
• A fiscal measure designed to check manipulation of mineral prices and protect public revenue will not be invalidated merely because it produces a cascading or compounding effect for individual lessees.
• The constitutional validity of the measure is assessed by examining the nexus between the method adopted and the nature and object of the levy; the Court treated the measure as distinct from the levy itself.
• Differential treatment between coal and other minerals is not, by itself, arbitrary where the governing valuation and price-fixation mechanisms are materially different.
• In reviewing fiscal policy, the Court will ordinarily show substantial restraint and will not substitute its preferred method of computation for that selected by the rule-making authority absent a legitimate constitutional or statutory infirmity.

Facts

Petitioner No. 1 held a mining lease in Karnataka for captive production of pig iron and had obtained the lease after the 2015 amendments made auction the basis for grant of mines. For iron ore, Entry 24 of the Second Schedule to the MMDR Act prescribed royalty at 15% of the average sale price on an ad valorem basis. DMF contribution was payable at 10% of royalty and NMET contribution at 2% of royalty.

Under Rule 42 of the 2016 Rules, the ex-mine price was used to compute the average sale price. Sale value was defined as the gross amount payable by the purchaser, excluding taxes, but the Explanation to Rule 38 prohibited deduction of royalty, DMF and NMET payments. Rule 45(8)(a) of the 2017 Rules contained an identical formulation for monthly and annual returns.

The petitioners argued that this resulted in royalty being calculated on a figure that already included royalty and related contributions. They also contended that auctioned mines suffered a further duplication because the Indian Bureau of Mines’ average sale price informed the auction premium as well as the later royalty computation.

Issues

1. Whether the Explanations to Rule 38 of the 2016 Rules and Rule 45(8)(a) of the 2017 Rules, insofar as they include royalty, DMF and NMET payments in sale value, are ultra vires Section 9 of the MMDR Act and the statutory concept of royalty at an ad valorem rate.

2. Whether the impugned methodology is manifestly arbitrary under Article 14 because it produces a cascading levy, and whether it imposes an unreasonable restriction on the mining business under Article 19(1)(g).

3. Whether the different treatment of coal, for which deductions had been permitted, demonstrated impermissible discrimination against other minerals.

4. Whether the Court should interfere with the Union’s final policy decision not to amend the rules after the earlier proceedings and consultation process.

Court's Reasoning

The Court approached the challenge against the background of the earlier writ petition, W.P. (C) No. 715 of 2024. In its judgment of 7 November 2024, the Court had noted that the Union was examining the anomaly and directed completion of the consultation process. After the Union ultimately filed an affidavit on 17 May 2025 stating that it would not amend the rules because of the impact on State revenue, the petitioners were expressly given liberty on 19 May 2025 to challenge that decision. The present petition was therefore treated as a fresh challenge rather than barred by the earlier proceedings.

On the statutory question, the Court distinguished the nature of the levy from the measure used to quantify it. Section 9 requires payment of royalty in respect of mineral removed or consumed, at the rate specified in the Second Schedule. For iron ore, that rate is 15% of ASP on an ad valorem basis. Rule 42, however, supplies the machinery for deriving ASP from ex-mine prices, including the weighted average of relevant transactions. The impugned Explanations operate within that machinery by defining the sale-value component and preventing specified payments from being deducted.

The Court rejected the proposition that the words ad valorem, understood as according to value, necessarily require royalty, DMF and NMET to be stripped out of the value used for computation. The statutory expression identifies the relationship between the rate and the value; it does not itself prescribe every component of the valuation methodology. The rule-making power could therefore adopt a method that loaded specified payments into sale value, provided the method remained connected to the levy and was not otherwise prohibited by the Act.

The decisive justification was anti-evasion. The Union had contended that price manipulation in iron ore made a gross-value methodology necessary. The Court accepted that the prescribed measure was intended to prevent manipulation of reported prices and to offset revenue loss arising from such manipulation. Inclusion of royalty and the two contributions was not treated as an independent enhancement of the statutory rate, but as a component of the method for arriving at ASP. The fact that the method may produce royalty on a figure containing earlier royalty-related payments did not, without more, make the rule ultra vires.

Article 14 scrutiny was applied through the familiar requirements of rationality and nexus. The Court found a rational connection between the method and the objective of securing a reliable valuation base. It held that the measure was neither capricious nor irrational, had not been adopted without a determining principle, and was not so excessive or disproportionate as to become manifestly arbitrary. Individual hardship could not control the validity of a measure framed to check evasion and protect public revenue.

The Article 19(1)(g) challenge failed for substantially the same reason. The Court treated the burden as a consequence of a regulatory fiscal methodology with a public-revenue purpose, rather than as an unreasonable restriction on the right to carry on mining operations. The presence of a cascading effect did not establish disproportionality in the constitutional sense.

Finally, the comparison with coal was rejected. The Court noted that coal did not operate under the same concept of ASP based on data supplied by miners. Consequently, the fact that coal received a different computational treatment did not establish hostile discrimination. Different treatment of minerals governed by different pricing and valuation mechanisms could not be condemned merely because the resulting calculations were unlike.

Important Observations

The judgment reinforces the distinction, central to fiscal litigation, between the nature of a levy and its measure of levy. A challenge framed as an impermissible increase in the statutory rate may fail where the impugned rule is characterised as machinery for determining the taxable or chargeable value. That distinction will be important in challenges to valuation rules, particularly where the statute prescribes an ad valorem rate but leaves the computational base to delegated legislation.

The Court relied on the presumption of constitutionality, the principle that legislative entries receive liberal construction, and the restraint reflected in decisions including State of Tamil Nadu v. P. Krishnamurthy, Union of India v. Bombay Tyre International and Union of India v. A. Sanyasi Rao. It also invoked the public-interest rationale that private rights may have to yield where a measure is directed at preventing evasion and safeguarding revenue.

The earlier consultation process did not create an enforceable obligation to amend the rules. Although the Union had acknowledged an anomaly and considered a proposal to exclude royalty, DMF and NMET from ex-mine price, the ultimate policy decision not to proceed was not itself found legally infirm.

Why This Judgment Matters

For mining lessees and State revenue authorities, the immediate consequence is that the existing ASP methodology for the minerals covered by the impugned provisions remains operative. A lessee cannot succeed merely by demonstrating that royalty, DMF and NMET are embedded in the computational base or that the method produces a financial cascade. The evidentiary focus in future challenges will have to move from the existence of that effect to the absence of a rational connection, statutory prohibition or constitutionally excessive burden.

For advocates, the judgment is a reminder to separate three inquiries: what Section 9 levies, what the Second Schedule fixes as the rate, and how the Rules calculate ASP. Arguments that collapse these stages into a single contention of “royalty on royalty” may not answer the Court’s distinction between levy and measure. A challenge should instead identify why the delegated methodology travels beyond the statutory purpose or lacks an intelligible anti-evasion basis.

The treatment of coal also narrows the usefulness of cross-mineral comparisons. Counsel relying on differential treatment will need to establish comparability not merely in the economic burden, but in the relevant statutory valuation architecture. The judgment leaves open the factual limits of the anti-evasion rationale: it upholds the present method on the stated connection to price manipulation, but does not identify a precise point at which a loaded valuation measure would become excessive or disproportionate. That boundary may remain significant in a future challenge supported by detailed empirical material.

Case Details

Party names: Kirloskar Ferrous Industries Ltd. and Anr. v. Union of India & Anr.

Citation: [2026] 8 S.C.R. 104; 2026 INSC 679. Court and bench: Supreme Court of India, J.B. Pardiwala and K.V. Viswanathan, JJ. Date: 13 July 2026. Proceeding: Writ Petition (Civil) No. 733 of 2025 under Article 32.

Acts and provisions discussed: Articles 14, 19(1)(g) and 32 of the Constitution; Section 9, Sections 9B, 9C and 13 of the Mines and Minerals (Development and Regulation) Act, 1957; Entry 24 of the Second Schedule; Rule 38 of the Minerals (Other than Atomic and Hydro Carbons Energy Minerals) Concession Rules, 2016; Rule 42 of the 2016 Rules; Rule 45(8)(a) of the Mineral Conservation and Development Rules, 2017; the Mineral (Auction) Rules, 2015; the National Mineral Exploration Trust Rules, 2015; and the Mines and Minerals (Contribution to District Mineral Foundation) Rules, 2015.

Source judgment: Kirloskar Ferrous Industries Ltd & Anr. v. Union of India & Anr.