Supreme Court Upholds Excise Duty on Containerized Gensets, Declares Process as 'Manufacture'

In a significant ruling, the Supreme Court confirms that the assembly of Gensets into Power Packs constitutes 'manufacture' under the Central Excise Act, 1944, making them liable for excise duty.
In a landmark judgment, the Supreme Court of India has upheld the decision of the Customs, Excise, and Service Tax Appellate Tribunal (CESTAT) to classify the process undertaken by M/s. Quippo Energy Ltd. as 'manufacture' under Section 2(f)(i) of the Central Excise Act, 1944. This decision mandates the payment of excise duty on the company's Power Packs, effectively transforming the legal landscape for businesses involved in similar manufacturing activities.
The case, M/s. Quippo Energy Ltd. v. Commissioner of Central Excise Ahmedabad - II, revolved around whether the process of placing imported gas generating sets (Gensets) within a steel container and fitting it with additional components such as radiators, ventilation fans, and oil tanks amounted to manufacturing a new product, the Power Pack. The Supreme Court bench, comprising Justices J.B. Pardiwala and K.V. Viswanathan, delivered the verdict on September 19, 2025.
The court employed a two-fold test to determine whether the activities constituted 'manufacture' the transformation test and the marketability test. The transformation test evaluates whether a distinct product with a new name, character, or use emerges from the process, while the marketability test assesses whether the transformed product is marketable. The Supreme Court found that both tests were satisfied in this case.
The judgment highlighted that the transformation of the Genset into a Power Pack resulted in a new, distinct, and marketable commodity. The court emphasized that the additional components were not mere accessories but integral parts necessary for the Power Pack to function, thus constituting a transformation into a different product. The court further noted that the Power Packs are commercially viable and form the basis of lease agreements with customers, affirming their marketability.
The appellant, M/s. Quippo Energy Ltd., argued that the process did not alter the essential character of the Genset and that the additional components were attached for logistical convenience, not transformation. However, the court rejected these arguments, stating that the process imparts the critical utility of portability, a defining attribute that distinguishes the Power Pack from the original Genset.
This ruling has significant implications for the manufacturing sector, clarifying the criteria for what constitutes 'manufacture' under the Central Excise Act. It underscores the importance of both transformation and marketability in determining excise duty liability.
The decision also addresses the issue of the extended period of limitation for excise duty demands, ruling in favor of the appellant on this point due to a lack of intent to evade duty and the company's proactive communication with excise authorities.
In conclusion, the Supreme Court's verdict not only clarifies the legal understanding of 'manufacture' but also reinforces the necessity for businesses to assess their manufacturing processes in light of excise duty obligations. The dismissal of the appeals reaffirms the CESTAT's decision, ensuring that similar processes are subject to excise duty, thereby maintaining the integrity of the excise tax framework.