The Customs, Excise and Service Tax Appellate Tribunal (CESTAT), Chennai Bench, has held that a complete Dual Fuel Burner System designed and integrated with a biomass gasification project qualifies as a non-conventional energy device/system eligible for exemption under Sl. No. 332 of Notification No. 12/2012-CE dated March 17, 2012.
The bench of Ajayan T.V. (Judicial Member) and Vasa Seshagiri Rao (Technical Member) ruled that the Department could not deny the exemption by artificially dissecting an integrated system into individual components such as valves, blowers, burners and regulators. It further held that the duty demand was barred by limitation and that the penalty could not be sustained.
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The dispute arose from clearances made through Invoice Nos. 178 to 184 dated May 13, 2013. The goods supplied were described as Dual Fuel Burner Systems and allied equipment, which were cleared without payment of duty by claiming exemption under Notification No. 12/2012-CE.
The Department took the view that the goods were merely parts and accessories and did not independently fall within the category of non-conventional energy devices or systems covered by Sl. No. 332 of the notification. On this basis, a Show Cause Notice dated November 21, 2016, proposed recovery of ₹7,08,540 along with interest and penalty. The demand was subsequently confirmed and upheld in appeal.
The appellant argued that the Department had incorrectly characterized the goods as individual spare parts or accessories. According to the appellant, the goods constituted a complete Dual Fuel Burner System specifically designed for integration with a biomass gasification plant.
The system was intended for a project established for Britannia Industries Ltd., Madurai. The purchase order itself described the supply as a “Dual Fuel Burner System”, comprising multiple integrated components that collectively performed the function of converting bio-gas generated by the gasifier into usable thermal energy.
The appellant maintained that the system was a non-conventional energy device and that it could not be artificially broken down into its individual components for denying the exemption. Purchase orders, installation drawings and technical literature were relied upon to establish that the system was specially designed for use in the biomass gasification project.
The Department contended that the goods were merely parts and components of a larger bio-gas plant and therefore did not qualify for exemption under Sl. No. 332.
It also relied upon the subsequent insertion of Sl. No. 332A with effect from July 11, 2014, which specifically extended exemption to certain parts. According to the Department, since the relevant clearances had taken place in May 2013, the exemption for parts was not available at that time.
The Tribunal, however, found that this argument proceeded from an incorrect characterization of the goods. The appellant was not claiming exemption merely as a supplier of individual parts; its case was that the goods supplied constituted a complete Dual Fuel Burner System in itself.
The key legal issue before the Tribunal was whether the Dual Fuel Burner System supplied for the biomass gasification project could qualify as a non-conventional energy device/system under Sl. No. 332 of Notification No. 12/2012-CE, or whether it had to be treated merely as a collection of individual parts.
CESTAT held that the Department’s approach of examining the goods item-by-item was not justified.
The Tribunal observed that a complete system can naturally comprise several constituent components. Where those components are supplied together as an integrated system designed for a specific non-conventional energy application, the exemption cannot be denied by artificially disaggregating the system into individual parts.
According to the Tribunal, the relevant consideration was the manner in which the goods were conceived, manufactured, supplied and installed, rather than merely the identity of individual components when viewed separately.
CESTAT placed considerable emphasis on the functional role of the burner system in the biomass gasification project.
The purchase order specifically described the supply as a Dual Fuel Burner System for a biscuit oven. The documents showed that the various components constituted a single integrated system. The system was designed to utilize bio-gas generated by biomass gasification and convert it into usable thermal energy.
The Tribunal also noted that the project integrator had clarified that the burner system formed an integral part of the biomass gasification system and that the gas generated by the gasifier could produce useful energy only when consumed through the burner system.
The installation drawing further corroborated the position. It depicted an integrated burner installation comprising the burner assembly, control and management systems, pipelines and connected equipment forming part of a unified operating arrangement.
On this basis, CESTAT held that the functional integration of the goods with the non-conventional energy system, rather than an isolated examination of individual components, was the relevant test for determining eligibility for exemption.
The Tribunal also rejected the Department’s reliance on the insertion of Sl. No. 332A from July 11, 2014.
CESTAT noted that the amendment extended exemption to specified parts used in the manufacture of eligible non-conventional energy devices or systems. However, in the present case, the appellant had established that it supplied a complete burner system and not merely isolated parts.
Therefore, according to the Tribunal, the subsequent amendment had no bearing on the dispute concerning the May 2013 clearances.
Apart from the exemption issue, the Tribunal separately examined whether the Department was entitled to invoke the extended period of limitation.
The clearances had taken place on May 13, 2013, whereas the Show Cause Notice was issued only on November 21, 2016.
CESTAT noted that although the clearances were initially omitted from the ER-1 return for May 2013, the appellant subsequently informed the jurisdictional Superintendent through a letter dated June 23, 2013. The appellant disclosed the transactions and requested that the clearances be treated as exempted clearances under Notification No. 12/2012-CE.
The Tribunal found that such voluntary disclosure, made shortly after the clearances and before initiation of investigation, was inconsistent with allegations of suppression, wilful misstatement or intent to evade duty.
It therefore held that the extended period under Section 11A of the Central Excise Act, 1944, could not be invoked in the absence of material establishing fraud, collusion, wilful misstatement or suppression of facts with an intent to evade duty.
While dealing with limitation, the Tribunal relied upon the Supreme Court’s decision in Continental Foundation Joint Venture v. Commissioner of Central Excise, Chandigarh-I, reported in 2007 (216) E.L.T. 177 (S.C.).
CESTAT noted the principle that the extended period of limitation cannot be invoked merely because duty has not been paid or there is a dispute concerning interpretation of law, unless deliberate suppression with an intent to evade duty is established.
Applying that principle to the facts, the Tribunal concluded that there was no justification for invoking the extended limitation period and held that the demand was barred by limitation.
The Tribunal further held that the penalty imposed under Section 11AC could not survive.
It observed that the dispute essentially concerned the interpretation of an exemption notification and that the transactions had been disclosed through regular commercial documents. The existence of substantial judicial support for the appellant’s interpretation also demonstrated that the issue was at least arguable.
In such circumstances, CESTAT found that the ingredients required for imposing the mandatory penalty were absent.
Ultimately, the Tribunal concluded that the Dual Fuel Burner System supplied for the biomass gasification project constituted an eligible non-conventional energy device/system covered by Sl. No. 332 of Notification No. 12/2012-CE.
CESTAT accordingly held that the denial of exemption, confirmation of duty demand, recovery of interest and imposition of penalty were unsustainable in law. The impugned Order-in-Appeal dated April 27, 2018, along with the Order-in-Original upheld therein, was set aside.
The appeal, Excise Appeal No. 41862 of 2018, was consequently allowed with consequential relief, if any, in accordance with law. The order was pronounced in open court on September 22, 2026.
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