Manufacture by purification of chemicals was upheld, while valuation and penalty were remanded for fresh adjudication.

Purification of chemicals on a job-work basis was treated as manufacture because the process rendered the goods marketable and produced a commercially distinct article under the relevant tariff definition and Chapter Note 11 to Chapter 29. The return of the purified goods to the same customer did not affect excisability, so central excise duty was upheld on the manufacturing activity. Valuation, however, could not be sustained on factory-gate values of comparable goods for job-work clearances; duty, interest, limitation-related determination and the connected penalty were therefore sent back for fresh adjudication on a proper valuation basis, after disclosure of relied-upon material and a fresh hearing.

---

---

Issues: (i) whether purification of chemicals on job work basis amounted to manufacture under the Central Excise law; (ii) whether the duty valuation, quantification and penalty required de novo re-determination.

Issue (i): whether purification of chemicals on job work basis amounted to manufacture under the Central Excise law.

Analysis: The definition of manufacture under the tariff regime, read with Chapter Note 11 to Chapter 29, covers any process adopted to render the product marketable. The process was not to be tested by its description alone, but by its effect on the goods and by whether a commercially distinct article emerged. The purified chemicals were found to be usable after the process and therefore marketable, and the fact that they were returned to the same customer did not detract from excisability. On that basis, the process was treated as manufacture.

Conclusion: The issue is decided against the assessee; the purification activity amounts to manufacture and is liable to central excise duty.

Issue (ii): whether the duty valuation, quantification and penalty required de novo re-determination.

Analysis: The duty had been worked out on the basis of factory-gate values of comparable goods, which was not upheld for job-work clearances. The matter therefore required a fresh exercise on valuation and re-quantification of duty and interest, with supply of the relied-upon enquiries and a fresh hearing on the period of demand. Since penalty was linked to the re-quantified duty, the penalty also had to be re-determined in accordance with the fresh duty computation.

Conclusion: The issue is decided in favour of the assessee to the extent that valuation, quantification, limitation-related determination and penalty are set aside for fresh adjudication.

Final Conclusion: The liability to duty on the manufacturing activity was upheld, but the assessment of value, the period of demand and the penalty were sent back for fresh determination in accordance with law.

Ratio Decidendi: A process that renders goods marketable, especially where the relevant chapter note deems such treatment to be manufacture, constitutes manufacture for central excise purposes; for job-work clearances, duty must be reassessed on an appropriate valuation basis rather than by mechanical adoption of comparable factory-gate values.

---