Whether the State of Uttar Pradesh has the constitutional and statutory jurisdiction to levy local Value Added Tax (VAT) on natural gas extracted off-shore in Andhra Pradesh and transported via a common carrier pipeline to buyers in Uttar Pradesh, or whether the transaction constitutes an “inter-State sale” governed exclusively by the Central Sales Tax (CST) Act, 1956.
The Supreme Court affirmed the Allahabad High Court’s judgment, holding that the sale is a concluded inter-State sale finalized at Gadimoga, Andhra Pradesh. The subsequent co-mingling and processing of the gas during pipeline transit do not alter its inter-State character; hence, the State of Uttar Pradesh has zero jurisdiction to levy VAT. The State was directed to expeditiously refund any tax realized under the quashed assessment.
1. Factual Matrix and Commercial Infrastructure
The dispute originates from the New Exploration and Licensing Policy (NELP) announced by the Government of India in 1999, under which an international consortium led by Reliance Industries Limited (RIL) as the “Operator” was awarded a deep-water exploration block (KG-D6) off the coast of Andhra Pradesh. RIL entered into a Production Sharing Contract (PSC) with the Government of India, which mandated that the title to the extracted natural gas vests in the Government until it reaches a designated delivery point.
Subject to the Government’s Gas Utilization Policy, RIL entered into separate Gas Sales and Purchase Agreements (GSPAs) with industrial fertilizer and chemical manufacturing buyers located in the State of Uttar Pradesh. The cross-border infrastructure functions as follows:
- Natural gas is extracted off-shore and brought to an onshore processing terminal at Gadimoga, Andhra Pradesh.
- Under the GSPA, the “Delivery Point” is expressly defined as the outlet flange of RIL’s facilities at Gadimoga, where the natural gas is metered for quantity and quality, and where legal title and risk of loss permanently pass from RIL to the buyers.
- To transport the gas from Andhra Pradesh to Uttar Pradesh, the buyers entered into separate Gas Transportation Agreements (GTAs) with independent pipeline operators acting as common carriers: Reliance Gas Transportation Infrastructure Ltd. (RGTIL) and the Gas Authority of India Limited (GAIL).
- The gas moves through the pipelines in a co-mingled, fungible stream and undergoes processing at GAIL’s plant in Pata (Auraiya District, U.P.) to remove specific hydrocarbons, leaving a predominantly “lean gas” that is finally channelled into the buyers’ individual factories.
2. Procedural History
On June 11, 2010, the Commercial Tax Assessing Authority of Uttar Pradesh passed a fresh assessment order imposing a local VAT liability at the rate of 21% on RIL. The state tax authority reasoned that because natural gas travels in a co-mingled, fungible form, it represents “unascertained goods” that can only be identified and legally appropriated to the contract at the exit meters within Uttar Pradesh, making it a taxable intra-State sale.
RIL challenged this assessment via a writ petition before the Division Bench of the Allahabad High Court (Lucknow Bench). On September 7, 2012, the High Court quashed the assessment order and directed the State of U.P. to refund the realized tax, concluding that the transaction was purely an inter-State sale completed outside U.P. boundaries. Aggrieved, the State of Uttar Pradesh filed the present civil appeals.
3. Legal Arguments Advanced by the Parties
- For the Appellants (State of Uttar Pradesh): Senior Counsel Dr. Dinesh Dwivedi argued that the GSPAs were executed prior to extraction and therefore merely constituted agreements to sell “future and unascertained goods”. He claimed that under Section 4(2)(b) of the CST Act, the legal situs of a sale for unascertained goods is fixed at the place of physical appropriation. Because the gas moves in an unidentifiable, co-mingled form through a single common carrier pipeline and requires processing at Auraiya, its legal ascertainment and final appropriation happen exclusively in U.P.. He also invoked the Public Trust Doctrine, asserting that since natural resources vest in the Union in trust, RIL acts only as an agent, and the sale cannot be legally finalized until it reaches its final destination.
- For the Respondents (RIL and Buyers): Senior Counsel Dr. Abhishek Manu Singhvi countered that the sale is cleanly covered under Section 3(a) of the CST Act because the GSPA contract explicitly caused and occasioned the physical movement of the gas from Andhra Pradesh to Uttar Pradesh. He highlighted that under Section 3(a), the location where property passes is legally irrelevant. Furthermore, the State of U.P. was barred from taking a contrary stance because it had already acknowledged the inter-State nature of the transaction by issuing statutory “Form-C” declarations to the buyers.
4. Constitutional and Statutory Framework Analysed
The Supreme Court contextualized the tax dispute within the fundamental tenets of Indian cooperative fiscal federalism:
- Principle of Mutual Exclusivity: Under Entry 54 of List II (State List) read with Entry 92-A of List I (Union List) and Article 269, the Constitution maintains strict separation of taxing powers. The states enjoy absolute power over local, intra-State sales, but the exclusive competence to levy taxes on sales in the course of inter-State trade vests entirely in the Parliament.
- The Primacy of Section 3 over Section 4: The Court analyzed the statutory interplay within the CST Act. Section 3 defines an inter-State sale based on whether a contract occasions the cross-border movement of goods. Section 4 provides criteria to locate whether a sale takes place “inside” or “outside” a state. Reaffirming its landmark ruling in Tata Iron and Steel Co. Ltd. v. S.R. Sarkar, the Court noted that Section 4 is expressly made “subject to Section 3”. If a sale satisfies the cross-border movement test under Section 3, it is automatically an inter-State transaction, and a state cannot bypass this by using the artificial “situs/appropriation” tests of Section 4(2) to claim it as a local sale.
- Retrospective Status of Explanation 3: In 2016, Parliament added Explanation 3 to Section 3 of the CST Act, stating that natural gas transported through a common carrier pipeline remains an inter-State movement even if it undergoes physical co-mingling and is fungible. The Supreme Court rejected U.P.’s claim that this rule only applies prospectively. Citing Sedco Forex and Sree Sankaracharya University of Sanskrit, the Court ruled that the amendment was purely clarificatory and declaratory of implicit, pre-existing law, meaning it applies retrospectively from the inception of the main provision.
5. Factual and Legal Findings of the Supreme Court
The Apex Court dismissed the State of Uttar Pradesh’s arguments on both factual and legal accounts:
- Completion of Sale at Gadimoga: A clear reading of the GSPA and GTA provisions proved that RIL’s contractual obligations and liabilities ended completely at Gadimoga, Andhra Pradesh, where the gas was delivered and priced based on entry-point meter readings. The transporters (RGTIL and GAIL) explicitly acquired no title to the gas and acted strictly as carriers on behalf of the buyers.
- Irrelevance of Co-mingling and Processing: Following the international legal standard set by the US Supreme Court in Peoples Natural Gas Co. v. Public Service Commission, the Court ruled that when natural gas is fed into a common pipeline under statutory open-access regulations, its physical co-mingling is a mere incident of transit. It does not disrupt the legal continuity of the cross-border movement or alter a sale that was already legally concluded at the point of origin. Fulfilling Section 3(a) does not require a distinction between ascertained and future goods.
- The Inapplicability of the Public Trust Doctrine: The Court held that the Public Trust Doctrine belongs strictly to environmental jurisprudence (e.g., C. Mehta v. Kamal Nath) to guide public resource management. It cannot be stretched or distorted to manipulate the taxable situs of a transaction or to override constitutional boundaries of legislative competence.
- The Estoppel of Form-C: The Court affirmed that by issuing “Form-C” certificates to the buyers, the State of Uttar Pradesh had explicitly processed and recognized the gas supply as an inter-State transaction. It could not subsequently “blow hot and cold” by trying to recharacterize it as an intra-State sale to levy local VAT.
6. Final Order
The Supreme Court found that the assessment order passed by the Uttar Pradesh tax authorities was arbitrary, perverse, and reflected a total non-application of the law. Holding that the State of Uttar Pradesh has no jurisdiction under Section 7 of its local VAT Act to penalize or tax an inter-State transaction, the Supreme Court dismissed Civil Appeal No. 3910 of 2016 and all connected appeals, affirming the High Court’s order for a full tax refund to the assesses.
2026 INSC 491
State of Uttar Pradesh And Others V. Reliance Industries Limited And Others (D.O.J. 15.05.2026)
