Trade understanding governs bead classification; unpierced glass chatons were treated as exempt glass beads.

Glass chatons manufactured for jewellery use were treated as glass beads for exemption purposes because trade understanding and technical material showed that piercing is not an essential attribute of a bead. The court relied on trade material, the Deputy Chief Chemist's opinion, earlier departmental findings, and the I.S.I. specification to conclude that beads may take different shapes and need not be pierced for threading. On that basis, the excise authorities' classification could not stand, and the articles were held to fall within the exemption notification.

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Issues: Whether glass chatons manufactured for use in jewellery, though not pierced for threading, were glass beads entitled to exemption under the notification issued under Rule 8 of the Central Excise Rules, 1944.

Analysis: The available material did not support the view that piercing was an essential attribute of a glass bead. The trade material, the opinion of the Deputy Chief Chemist, the earlier departmental findings, and the I.S.I. specification all indicated that a bead may be of different shapes and that piercing is not the sine qua non of its character as a bead. In the absence of reliable material to the contrary, the classification adopted by the excise authorities could not stand, and the petitioners' articles were properly understood in trade as glass beads.

Conclusion: The articles manufactured by the petitioners were glass beads and were entitled to exemption under the notification; the challenge to the excise action succeeded.

Final Conclusion: The petition was allowed and the impugned excise action was quashed, with costs awarded to the petitioners.

Ratio Decidendi: For exemption under a tariff notification, the commercial identity of the goods must be determined from trade understanding and reliable technical material, and a feature not shown to be essential in trade cannot be treated as a mandatory condition for classification.

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