Classification by predominant cotton content and refund limitation depend on an express refund claim, not a reclassification letter.

Cotton content must predominate in weight for a product to fall under the cotton fabrics tariff entry; where cotton was only 12.5%, the product was classified under the residuary tariff item. A communication that merely disputes the duty classification and seeks review or rectification does not amount to a refund claim unless it expressly seeks refund. For limitation under the refund provision, only the formal refund application was relevant, so the refund period was restricted to six months before that claim.

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Issues: (i) Whether the product "rexin" was classifiable under Tariff Item 68 rather than Tariff Item 19(III) of the Central Excise Tariff. (ii) Whether the letter dated 6-11-1985 could be treated as a refund claim for determining the relevant period of refund under Section 11-B of the Central Excises and Salt Act, 1944.

Issue (i): Whether the product "rexin" was classifiable under Tariff Item 68 rather than Tariff Item 19(III) of the Central Excise Tariff.

Analysis: The product composition showed that cotton content was only 12.5%. The applicable classification principle was that cotton must predominate in weight for coverage under Tariff Item 19(III). On that footing, the product could not be brought within Tariff Item 19(III). The earlier Tribunal decisions relied upon supported classification outside the cotton fabrics item and into the residuary item.

Conclusion: The product "rexin" was held to be classifiable under Tariff Item 68, in favour of the assessee.

Issue (ii): Whether the letter dated 6-11-1985 could be treated as a refund claim for determining the relevant period of refund under Section 11-B of the Central Excises and Salt Act, 1944.

Analysis: The letter merely objected to the duty classification and sought review and rectification of the mistake. It did not expressly claim refund or specify the correct classification as the basis for refund. It was treated only as a representation for re-classification, not as a refund application. The formal refund claim filed on 26-2-1986 was therefore the relevant claim for limitation purposes.

Conclusion: The letter dated 6-11-1985 was not treated as a refund claim, and the refund period was limited to the six months preceding 26-2-1986.

Final Conclusion: The product was held to fall under the residuary tariff item, and refund relief was granted only for the period permitted by the formal refund claim.

Ratio Decidendi: For classification under the cotton fabrics tariff entry, cotton content must predominate in weight, and a communication seeking only re-classification without an express refund claim does not amount to a refund application for limitation purposes.

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