Clandestine removal requires affirmative proof, while untested correspondence and comparisons cannot sustain duty demand or penalty.

Uncorroborated private correspondence, partial production-ratio data and price comparisons were treated as insufficient to prove clandestine removal of higher-grade plywood as lower-grade goods. The commentary notes that, without examination of the buyer or the document's author and without testing the clarification by cross-examination, the material only raised suspicion and could not sustain the duty demand. It further states that the extended limitation period depended on proof of suppression, wilful misstatement or intent to evade duty; once the substantive allegation failed, that foundation also fell away. On the same reasoning, penalty was not justified.

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Issues: (i) Whether the Department proved clandestine removal of higher-grade plywood as lower-grade goods so as to sustain the duty demand; (ii) Whether the extended period of limitation under Section 11A of the Central Excises and Salt Act, 1944 applied, and whether penalty under Rule 173Q of the Central Excise Rules, 1944 was justified.

Issue (i): Whether the Department proved clandestine removal of higher-grade plywood as lower-grade goods so as to sustain the duty demand.

Analysis: The demand was founded mainly on an unsigned letter recovered from a buyer and on comparative production ratios and price differences. The letter was not seized from the appellant, was not admitted to be authored by it, and was materially explained by the buyer through later clarifications. No further investigation was made by examining the author or the buyer's officers, or by testing the clarification by cross-examination. The production-ratio comparison covered only parts of the relevant period and was based on changes in grade percentages which could vary for several commercial and manufacturing reasons. The price comparison and purta-value material, by themselves, did not establish that goods of one grade were removed as another grade. The evidence therefore did not rise above suspicion and could not sustain a finding of clandestine removal.

Conclusion: The allegation of clandestine removal was not proved and the duty demand could not be sustained.

Issue (ii): Whether the extended period of limitation under Section 11A of the Central Excises and Salt Act, 1944 applied, and whether penalty under Rule 173Q of the Central Excise Rules, 1944 was justified.

Analysis: The longer limitation period required proof of suppression of facts, wilful misstatement, or contravention with intent to evade duty. Since the substantive allegation of clandestine removal failed, the foundation for invoking the extended period also failed. The same absence of proof meant that the preconditions for penalty under Rule 173Q were not established.

Conclusion: The extended period of limitation was not available and the penalty under Rule 173Q was not sustainable.

Final Conclusion: The demand of duty and the penalty were both set aside, and the appeal succeeded in full.

Ratio Decidendi: A demand for central excise duty and a penalty cannot be sustained on uncorroborated suspicion, assumptions, or untested private correspondence; invocation of the extended limitation period likewise requires affirmative proof of suppression or wilful misstatement with intent to evade duty.

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