Specific tariff heading prevails over residuary entry; disclosed classification barred extended limitation absent deliberate suppression.

Glass articles such as stopcocks, joints, flasks, condensers, tubes, stirrers, columns and extractor units were held to fall within laboratory glassware under Heading 7012.10 rather than the residuary Heading 7015.00 because the specific tariff description and HSN notes covered glass articles generally used in laboratories; the fact that they could form complete units or be used in industry did not shift them to the residuary entry. The extended period of limitation was unavailable because the assessee had disclosed the products and manufacturing details in declarations acknowledged by the department, and no deliberate suppression with intent to evade duty was proved. The duty demand based on extended limitation therefore failed.

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Issues: (i) Whether the goods manufactured by the respondents were classifiable as laboratory glassware under Heading 7012.10 of the Central Excise Tariff Act, 1985 or under the residuary Heading 7015.00; (ii) whether the extended period of limitation could be invoked on the ground of suppression of facts.

Issue (i): Whether the goods manufactured by the respondents were classifiable as laboratory glassware under Heading 7012.10 of the Central Excise Tariff Act, 1985 or under the residuary Heading 7015.00.

Analysis: The goods were declared as laboratory glassware and the product list included items such as stopcocks, joints, flasks, condensers, tubes, stirrers, columns and extractor units, all of which are consistent with articles used in laboratories. The classification had to be tested against the tariff structure and the HSN explanatory notes, which show that laboratory glassware covers glass articles of a kind generally used in laboratories, while the residuary entry applies only where a product does not fall under a specific heading. The fact that the articles could be assembled into complete functional units did not take them out of the laboratory glassware entry, and use in industrial settings did not by itself make the goods residuary articles.

Conclusion: The goods were correctly classifiable under Heading 7012.10 and not under Heading 7015.00, in favour of the assessee.

Issue (ii): Whether the extended period of limitation could be invoked on the ground of suppression of facts.

Analysis: The respondents had disclosed their products, the nature of manufacture and the list of items in the declarations filed before the department, and those declarations were received and acknowledged. The department was therefore aware of the relevant facts when the classification list was approved. For invoking the extended period under the excise law, suppression must be deliberate and must involve positive withholding of information with intent to evade duty; mere omission or a later change of view on classification is not enough. On the facts, no such deliberate suppression was established.

Conclusion: The extended period of limitation was not available and the allegation of suppression failed, in favour of the assessee.

Final Conclusion: The classification adopted by the respondents was upheld and the duty demand based on extended limitation could not be sustained.

Ratio Decidendi: A specific tariff heading prevails over a residuary entry where the goods fit the specific description, and the extended period for excise demand can be invoked only on proof of deliberate suppression or other qualifying conduct with intent to evade duty.

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