Modvat credit on storage tanks denied where Rule 57Q did not originally include them and later amendment was not retrospective

Storage tanks and storage vessels were held not to fall within Rule 57Q of the Central Excise Rules, 1944 during the relevant period because the provision confined Modvat credit to capital goods specifically described in the statutory table and used in the factory. The later amendment including storage tanks was not treated as clarificatory, as the original wording and tariff-based descriptions showed that such items had been omitted earlier. On that basis, the amendment was not retrospective, Modvat credit was denied on those items, and the appeal failed.

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Issues: (i) Whether storage tanks and storage vessels were covered as capital goods under Rule 57Q of the Central Excise Rules, 1944 for availing Modvat credit during the relevant period; (ii) Whether the later amendment bringing storage tanks within the rule was merely clarificatory and therefore retrospective.

Analysis: Rule 57Q, as it stood during the relevant period, allowed credit only on the capital goods described in the Table and used in the factory of the manufacturer. The Table specifically listed certain chapters, headings, components, spares, accessories and named items, but did not include storage tanks or storage vessels. The later amendment could not be treated as a mere clarification, because the original scheme already used specific descriptions and tariff classifications and the omission of storage tanks from those descriptions showed that they were not earlier included. The Karnataka decisions relied on by the assessee were distinguished on their facts and were not treated as laying down a general rule that storage tanks were always covered.

Conclusion: Storage tanks and storage vessels were not covered by Rule 57Q during the relevant period, and the subsequent amendment was not retrospective. The assessee was not entitled to Modvat credit on those items.

Final Conclusion: The Tribunal's view was upheld, the questions of law were answered against the assessee, and the appeal failed.

Ratio Decidendi: Where a credit provision specifies capital goods by detailed statutory description and tariff classification, items not so included cannot be read in by implication, and a later insertion is not retrospective unless the statute clearly makes it clarificatory.

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