Limitation and inherent production variation defeat duty demand over calcined petroleum coke shortage

Duty demands raised more than six months after the relevant period were treated as barred by limitation under Section 11A, so the demand failed on the existing record. Shortage in calcined petroleum coke was also found not to attract Rule 223A because production was based on an estimated recovery ratio, making some variation inherent, and the shortage was explained by natural causes and material handling characteristics. The adverse inference from register and balance-sheet discrepancies carried no weight after the connected proceedings were dropped. On these facts, the duty demand and consequential order could not be sustained.

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Issues: (i) Whether the duty demand raised by the show cause notices was barred by limitation under Section 11A. (ii) Whether the shortage in calcined petroleum coke attracted Rule 223A despite the appellants' explanation of variation inherent in the estimated recovery ratio and natural causes.

Issue (i): Whether the duty demand raised by the show cause notices was barred by limitation under Section 11A.

Analysis: The notices were issued in February 1982 for alleged shortages relating to 1979 and 1980. On the face of the record, the demand related to a period beyond six months. Since no further factual enquiry was required, the limitation objection was capable of being decided on the existing record.

Conclusion: The demand was barred by limitation and the issue was answered in favour of the assessee.

Issue (ii): Whether the shortage in calcined petroleum coke attracted Rule 223A despite the appellants' explanation of variation inherent in the estimated recovery ratio and natural causes.

Analysis: The production was recorded on the basis of an estimated recovery ratio of 100:75 from raw petroleum coke to calcined petroleum coke. In such a method, some variation was inherent and the ratio could not be treated as mathematically fixed and invariable. The shortage was explained by natural causes and by the composition and handling characteristics of the raw material. The adverse inference drawn from the register and balance-sheet discrepancy had also lost significance because the connected proceedings had been dropped.

Conclusion: Rule 223A was not attracted on the facts and the issue was answered in favour of the assessee.

Final Conclusion: The duty demand and consequential order could not be sustained, as the claim was time-barred and the alleged shortage was satisfactorily explained.

Ratio Decidendi: Where duty is demanded beyond the statutory limitation period and the alleged shortage arises from an estimated recovery process showing inherent variation and natural causes, the demand and penalty cannot be sustained.

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