Supreme Court Disposes ₹2,485 Crore Tax Case for Oil India

NEW DELHI — The Supreme Court of India has disposed of a long-standing tax dispute involving state-run Maharatna CPSE Oil India Limited after the Government of Assam expressed its intention to withdraw the specified land tax on mineral oil. The decision addresses a cumulative tax demand of approximately ₹2,484.81 crore raised by the state government for the years 2005 to 2024. The disclosure was formally submitted by Oil India Limited to stock exchanges on August 5, 2026, detailing recent orders from the apex court.

Assam to Withdraw Land Tax on Crude Oil and Natural Gas

The dispute stems from the Assam Taxation (on Specified Lands) (Amendment) Act, 2004, which amended the state's 1990 Principal Act. Under the 2004 amendment, oil producers were mandated to pay ₹200 per metric tonne on crude oil and ₹100 per thousand cubic meters of natural gas based on the annual productivity of the land. Oil India Limited had challenged the levy in court, contending that the amendment was ultra vires of the Constitution of India.

During a Supreme Court hearing on July 29, 2026, the state government informed the bench that it wishes to withdraw the tax imposed on mineral oil. Counsel for the state confirmed that an appropriate bill would be introduced in the Assam State Legislature to formalize the repeal.

Following this declaration, the Supreme Court disposed of Transferred Case (C) No. 232 of 2020, along with Writ Appeal No. 599/2005 previously pending before the Gauhati High Court, clearing all associated interlocutory applications.

Update on GST Litigation Concerning Oilfield Royalties

In the same regulatory filing, Oil India Limited provided an update regarding an ongoing dispute over Goods and Services Tax (GST) on royalty payments made under the Oil Fields (Regulation & Development) Act, 1948. Following the implementation of GST on July 1, 2017, the Central Board of Indirect Taxes and Customs (CBIC) maintained that GST applies to royalties paid for assigning rights to use natural resources.

Oil India Limited filed writ petitions challenging the levy, securing an interim stay from the Gauhati High Court on November 2, 2021. The matter was later transferred to the Supreme Court under Transfer Petition (C) Nos. 300-304/2024.

During the July 29, 2026 hearing, legal counsel for Oil India Limited stated before the court that the company would deposit GST as per law within six weeks, subject to the final outcome of the proceedings. The petitions have been tagged with C.A. No. 10560/2025 (Udaipur Chamber of Commerce and Industry vs. Union of India) for joint consideration.

Financial and Operational Impact on Oil India Limited

The resolution of the ₹2,484.81 crore land tax demand removes a significant contingent liability for Oil India Limited. The relief simplifies the company's balance sheet disclosures and clarifies its long-term tax exposure in Assam, where a major portion of its primary exploration and production assets are located.

For investors, the state government's commitment to withdraw the levy eliminates potential earnings drag from retroactively applied state tax demands. Meanwhile, the temporary six-week deposit of GST on royalties provides temporary legal structure while the broader constitutional question surrounding royalty taxation is adjudicated.

Official Sources Section

According to official regulatory filings submitted under Regulation 30 of the SEBI (Listing Obligations and Disclosure Requirements) Regulations, 2015, the disclosures were signed by A.K. Sahoo, Company Secretary and Compliance Officer at Oil India Limited, on August 5, 2026. The submission references earlier litigations and updates filed with the National Stock Exchange of India Limited and BSE Limited.

Quote Section

According to official regulatory disclosures filed by the company:

"The State of Assam informed the Court that the State wishes to withdraw the specific land tax imposed on mineral oil and will move an appropriate bill in the State Legislature for this purpose. Based on the statement made by the State of Assam, the Hon'ble Supreme Court disposed of Transferred Case (C) No. 232 of 2020 as well as Writ Appeal No. 599/2005."

Why It Matters

Tax disputes involving state levies on natural resources directly affect the operational costs of public sector energy undertakings. The Assam government's decision to repeal the land tax on mineral oil creates a clearer regulatory landscape for crude oil and natural gas production in Northeast India. Additionally, the pending Supreme Court ruling on GST applied to natural resource royalties will establish a nationwide precedent for mining and energy extraction companies operating across India.

Key Facts at a Glance

• Total Tax Demand: ₹2,484.81 crore claimed by Assam for the 2005–2024 period.

• Legislative Action: State of Assam to present a bill in the State Legislature to withdraw the tax on mineral oil.

• Supreme Court Order: Transferred Case (C) No. 232 of 2020 disposed of on July 29, 2026.

• GST Royalty Deposit: Oil India Limited agreed to deposit contested GST on royalties within six weeks, pending final judicial determination.

FAQ Section

What was the origin of the ₹2,485 crore tax demand on Oil India?

The demand arose from the Assam Taxation (on Specified Lands) (Amendment) Act, 2004, which levied taxes on crude oil and natural gas productivity between 2005 and 2024.

How was the land tax dispute resolved in court?

The Assam government informed the Supreme Court that it intends to withdraw the land tax on mineral oil via state legislation, leading the court to dispose of the case.

What is the status of the GST dispute on oil royalties?

Oil India Limited agreed to deposit GST as per law within six weeks, subject to the final ruling in proceedings tagged with Udaipur Chamber of Commerce and Industry vs. Union of India.

Source: Official regulatory disclosures filed by Oil India Limited with BSE Limited and the National Stock Exchange of India Limited on August 5, 2026