Silicon emulsion from silicon oil remains classifiable under T.I. 15AA but qualifies for exemption, barring penalty.

Silicon oil converted into silicon emulsion was treated as a manufacturing process, and the resulting product was classifiable under T.I. 15AA. Applying settled precedent, the Tribunal held that the exemption under Notification No. 101/66-C.E. dated 17-6-1966 was available where the notification conditions were satisfied, so no duty was payable. Because the product was covered by the exemption, penalty was not sustainable.

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Issues: Whether silicon emulsion manufactured from silicon oil was a manufactured excisable product classifiable under T.I. 15AA and, if so, whether it was exempt from duty under Notification No. 101/66-C.E. dated 17-6-1966, with the consequence that no penalty was leviable.

Analysis: The product and the process were covered by earlier authoritative decisions holding that conversion of silicon oil into silicon emulsion is a process of manufacture and that silicon emulsion falls under T.I. 15AA. The product was declared as silicon emulsion, and the record showed no basis to displace that position. The notification granted exemption to the product when manufactured from duty-paid material or where the relevant conditions were otherwise satisfied, and the Tribunal applied the settled precedent to hold the exemption available.

Conclusion: The product was classifiable under T.I. 15AA but was exempt from duty under Notification No. 101/66-C.E. dated 17-6-1966, and no penalty was warranted.

Ratio Decidendi: Where silicon emulsion is manufactured from silicon oil and the governing exemption notification conditions are satisfied, the product is classifiable under the relevant tariff item but no duty is payable and penalty cannot be sustained.

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