Parties and roles: Mineral Area Development Authority & Anr. is the appellant/applicant who initiated or carried the matter to the Supreme Court. Steel Authority of India Ltd. & Anr. is the respondent opposing the relief or defending the challenged action, decision, law or proceeding. The labels “plaintiff” and “defendant” are generally not used here because this is an appellate, special or Supreme Court proceeding. Mineral-bearing States imposed taxes or cesses linked to mineral rights and mineral-bearing land. Mining companies argued Parliament's Mines and Minerals law and royalty regime occupied the field, leaving States without power to tax. States responded that royalty is consideration paid for extracting minerals, not itself a tax, and that the Constitution expressly allocates them taxing fields. The dispute affected federal fiscal autonomy and very large historical liabilities across India's mining sector. Procedural setting: 1989: India Cement characterised royalty in a passage that later generated conflicting interpretations. | 1999 onward: State mineral taxes and cesses reached the Supreme Court. | 2011: Questions referred to nine judges. | Feb-Mar 2024: Final hearing. | 25 Jul 2024: Majority judgment delivered; later order addressed temporal operation. The central problem before the Court was is royalty under mining law a tax? What is the scope of State legislative power under Entries 49 and 50 of List II? Does the MMDR Act impose a limitation that prevents State taxation of mineral rights or mineral-bearing lands? The controversy was considered in the framework of Mines and Minerals (Development and Regulation) Act, 1957; State taxation and cess enactments, together with Constitution arts.245 and 246; Seventh Schedule List I Entry 54 and List II Entries 49 and 50. The wider importance of the case lies in fiscal federalism; distinction between tax and royalty; legislative fields; pith and substance; prospective/temporal relief.

States relied on Entries 49 and 50 of List II and distinguished royalty from compulsory taxation. Mining companies and the Union argued parliamentary regulation under Entry 54 List I limited or displaced State levies and that India Cement treated royalty as tax. Competing positions in context: Mineral Area Development Authority & Anr.'s position: as the appellant/applicant, Mineral Area Development Authority & Anr. sought the relief indicated by the questions of law and challenged the opposing action or interpretation. The claim was that the Court should apply the governing provisions consistently with Fiscal federalism; distinction between tax and royalty; legislative fields; pith and substance; prospective/temporal relief. Steel Authority of India Ltd. & Anr.'s position: as respondent, Steel Authority of India Ltd. & Anr. resisted that relief, defended the impugned measure or decision, or proposed a narrower interpretation of the Court's power and the applicable law. The Court therefore had to test these submissions against Mines and Minerals (Development and Regulation) Act, 1957; State taxation and cess enactments and Constitution arts.245 and 246; Seventh Schedule List I Entry 54 and List II Entries 49 and 50, the record of the proceedings and binding precedent. This summary states the principal controversy in accessible language; the official judgment remains authoritative for counsel-specific submissions and paragraph references.

By 8:1, the Court held royalty is not a tax; it is a contractual or statutory payment for enjoyment of mineral rights. States retain power to tax mineral rights under Entry 50 and mineral-bearing land under Entry 49, subject to an express parliamentary limitation. The MMDR Act did not by itself exhaust that taxing power. Justice Nagarathna dissented on core aspects. A subsequent order regulated recovery of past dues. Effect of the decision: the ruling explains or applies Fiscal federalism; distinction between tax and royalty; legislative fields; pith and substance; prospective/temporal relief and binds the parties to the operative directions made in Civil Appeal Nos. 4056-4064/1999 and connected matters. It also guides lower courts and public authorities on materially similar questions under Mines and Minerals (Development and Regulation) Act, 1957; State taxation and cess enactments. Scope and caution: only the ratio decidendi and operative directions of the signed judgment are binding; summaries should not be treated as substitutes for the judgment, separate opinions, later review orders or subsequent precedent.

Mines and Minerals (Development and Regulation) Act, 1957; State taxation and cess enactments

Constitution arts.245 and 246; Seventh Schedule List I Entry 54 and List II Entries 49 and 50

Fiscal federalism; distinction between tax and royalty; legislative fields; pith and substance; prospective/temporal relief