Supreme Court Clarifies the "Manufacture" vs. "Processing" Divide: Why Cutting and Customizing Industrial Panels Isn't Always Taxable and Why Such Appeals Must Bypass High Courts.
In the complex world of indirect taxation, the line between simply processing a material and actually manufacturing a new product is often blurred. A recent landmark judgment by the Supreme Court of India has brought much-needed clarity to this distinction, specifically addressing whether the customization of industrial panels constitutes a taxable event. The ruling serves as a masterclass in statutory interpretation and the limits of state taxing power.
The Jurisdiction Trap: High Court vs. Supreme CourtOne of the most impactful takeaways from this judgment is the clarification on where tax appeals should be filed. The Court noted that the High Courts are explicitly barred from hearing appeals that involve the "rate of duty" or the "value of goods for assessment". Crucially, the Court held that the question of whether an activity amounts to "manufacture" (excisability) is intrinsically linked to the rate of duty. Therefore, such disputes must go directly to the Supreme Court, bypassing the High Court entirely.
The Power of Clarificatory AmendmentsThe judgment delves into the nature of legislative amendments. The Court analyzed Section 35L(2) of the Central Excise Act, which was inserted in 2014 to clarify that "rate of duty" includes "excisability". The Court held that because this amendment was "clarificatory" and intended to correct judicial errors, it applies retrospectively.
"When an amendment intends to clarify something which was implicit in the operation of the provision, such an amendment is meant to operate retrospectively."This reaffirms that the law always intended for the Supreme Court to be the final arbiter on these specific fiscal questions to ensure national uniformity. Transformation vs. Mere Adaptation
At the heart of the case was whether cutting, grooving, and bending Aluminum Composite Panels (ACPs) for building facades amounted to "manufacture". The Court applied the "Transformation Test", concluding that mere physical changes do not always equal manufacture. If the essential character, name, and use of the product remain the same, it is mere processing. An ACP cut to size is still an ACP; it has been adapted for use, not transformed into a new commercial commodity.
The Standalone Test of MarketabilityThe Court emphasized that for excise duty to apply, the "new" product must be marketable—meaning it must be a distinct item that the commercial community recognizes and trades.
"The essence of marketability is neither in the form nor in the shape... it is the commercial identity of the articles known to the market for being bought and sold."If a product is customized so specifically for one site that it cannot be sold generally in the market, it fails the marketability test and cannot be taxed as a manufactured good. The Burden of Proof on the Revenue
Finally, the judgment places a heavy burden on the Tax Department. The Revenue cannot simply assert that a process is "manufacture"; it must provide objective evidence of marketability. The Court adopted a "preponderance of probabilities" standard, noting that the degree of proof required is flexible but must be proportionate to the rarity of the goods. In this case, the Revenue failed because it offered no evidence that the cut panels were recognized as a new product in trade parlance.
This judgment is a significant victory for contractors and manufacturers, ensuring that the taxman cannot label every minor adjustment as a "manufacturing" miracle. It reinforces the principle that taxation must be based on clear legal transformations, not just physical alterations.
Case: M/S ALUPRO BUILDING SYSTEMS PVT. LTD. v. COMMISSIONER OF CENTRAL EXCISE BANGALORE II
Law: Central Excise Act, Customs Act.
Citation: 2026 INSC 582
Decision Date: 27-05-2026