Semi-finished ophthalmic blanks and exemption eligibility turn on whether processing creates a distinct excisable optical product

Semi-finished ophthalmic blanks that require further grinding and polishing before becoming lenses are treated as a distinct excisable commodity when the product emerging from processing is not yet a finished lens. The discussion states that such goods fall under Chapter Heading 90.01 as other optically worked optical elements. Exemption under Notification No. 79/90 was unavailable because it covered finished lenses, not ophthalmic blanks, and captive consumption exemption under Notification No. 217/86 was also denied where the blanks were used in making exempt lenses. The commentary therefore identifies exemption coverage as dependent on the final character of the goods, not merely their use in manufacture.

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Issues: Whether semi-finished ophthalmic blanks, after grinding and polishing, were a distinct excisable commodity classifiable under Chapter Heading 90.01 and whether the benefit of exemption under Notification No. 79/90 and captive consumption exemption under Notification No. 217/86 was available.

Analysis: The product emerging after grinding and polishing was held to be distinct from the raw material, ophthalmic blanks, and not to be merely lenses in their final form, since further optical working was required before they became lenses. The goods were treated as excisable goods falling under Chapter Heading 90.01 as other optical elements which were optically worked. The exemption under Notification No. 79/90 was unavailable because the notification covered lenses falling under that heading, while the goods in question were ophthalmic blanks and not the final exempt lenses. The captive consumption exemption under Notification No. 217/86 was also denied because the ophthalmic blanks were used in the manufacture of exempt lenses.

Conclusion: The issue was decided against the assessee and in favour of Revenue; the goods were held to be a distinct excisable commodity classifiable under Chapter Heading 90.01, and exemption under both notifications was denied.

Final Conclusion: The impugned order was set aside and the appeal was allowed.

Ratio Decidendi: A semi-finished product that is further optically worked before becoming a finished lens can be treated as a distinct excisable commodity and denied exemption where the relevant notifications cover only the finished exempt goods.

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