Specific tariff entry prevails over end use, while extended limitation needs deliberate suppression to sustain duty demand.

Goods specifically covered by Heading 8483 in Chapter 84, including gears, gear boxes, gear housings, bevel sets, spur gears and side gears, were treated as classifiable under that heading even when designed for rotavators or agricultural machinery; specific tariff coverage prevailed over end use-based claims under the headings for parts of agricultural machinery. The extended period of limitation was not justified because the assessee filed regular ER-1 returns, the dispute was interpretational, and there was no deliberate suppression of facts with intent to evade duty. On that basis, the demand failed on limitation despite the classification view being sustained.

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Issues: (i) Whether gears, gear boxes, gear housings, bevel sets, spur gears and side gears are classifiable under CETH 8483 or under CETH 8432/8433; (ii) Whether invocation of the extended period of limitation was justified.

Issue (i): Whether gears, gear boxes, gear housings, bevel sets, spur gears and side gears are classifiable under CETH 8483 or under CETH 8432/8433.

Analysis: Classification was governed by the tariff headings and the relevant Section and Chapter Notes. Parts which are goods specifically covered by Chapter 84, including transmission shafts, gears, gearing and gear boxes, fall in their own heading under Note 2(a) to Section XVI. The goods in question, even if specially designed for rotavators and agricultural machinery, remained items expressly covered by Heading 8483 and were not displaced by their end use. The specific heading prevailed over the more general claim to parts of agricultural machinery.

Conclusion: The goods were held classifiable under CETH 8483, against the assessee.

Issue (ii): Whether invocation of the extended period of limitation was justified.

Analysis: The demand was raised beyond the normal period by invoking the proviso to Section 11A. The record showed regular ER-1 returns, a bona fide interpretational dispute, and prior departmental action on similar facts. In the absence of deliberate suppression of facts with intent to evade duty, the extended period could not be sustained. Mere non-acceptance of the assessee's classification claim did not establish the necessary mens rea for extended limitation.

Conclusion: Invocation of the extended period of limitation was held unjustified, in favour of the assessee.

Final Conclusion: The classification view of the department was sustained, but the entire demand failed on limitation and the appeal succeeded on that ground.

Ratio Decidendi: Goods specifically covered by a tariff entry in Chapter 84 must be classified under that entry notwithstanding their specific use, and the extended period of limitation applies only where deliberate suppression of facts with intent to evade duty is proved.

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