Excise duty demands require reliable proof; conjectural output estimates, isolated statements and unexplained dealer receipts were held insufficient.

Excise duty demands cannot rest on conjectural production estimates drawn solely from a raw-material-to-output ratio when the record does not show uniform or reliable evidence and ignores relevant production variables. A single qualified employee statement, supported only by limited dealer evidence, is also insufficient to fix product-mix or grade-wise output without objective corroboration such as testing or comparable material. Unexplained dealer receipts cannot independently sustain a duty demand unless undervaluation or unaccounted clearance is first proved by reliable evidence. The article states that such demands were unsustainable on the facts discussed.

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Issues: (i) Whether duty could be demanded by estimating production solely from the alleged ratio between raw material consumed and finished laminated sheets produced. (ii) Whether duty could be demanded by fixing the product-mix on the basis of a single employee statement and limited dealer evidence. (iii) Whether alleged receipt of money from dealers could be treated as additional consideration for the goods and sustain duty demand.

Issue (i): Whether duty could be demanded by estimating production solely from the alleged ratio between raw material consumed and finished laminated sheets produced.

Analysis: The estimated ratio was not supported by uniform or reliable evidence. The material itself showed variation in the views of the chemists, and the computation ignored relevant production variables such as paper grammage, use of barrier paper, use of light-colour base paper, wastage, and machine or power disruptions. A theoretical correlation between raw material and output could not substitute for proof of actual suppression. The approach also amounted to determining normal production in a mechanical manner without the safeguards required for such estimation.

Conclusion: The demand based on raw-material-to-output ratio was unsustainable and was set aside in favour of the assessee.

Issue (ii): Whether duty could be demanded by fixing the product-mix on the basis of a single employee statement and limited dealer evidence.

Analysis: The evidence relied upon was inadequate to determine the proportion of grade one, grade two, and grade three production. A statement by one chemist, who had no control over the entire production process, could not safely establish the grade-wise output for the relevant period. The statement itself was qualified by reference to raw material quality and power supply, and the dealer evidence was too limited to justify extrapolation to the whole turnover. No product testing or comparable objective material was produced to corroborate the allegation.

Conclusion: The grade-wise demand was not proved and was rejected in favour of the assessee.

Issue (iii): Whether alleged receipt of money from dealers could be treated as additional consideration for the goods and sustain duty demand.

Analysis: Mere receipt of unexplained money did not by itself establish additional consideration for excisable goods. To invoke the duty demand, the department had first to prove undervaluation or unaccounted clearance of quantity. Since the underlying charges of suppression and undervaluation were not sustained, the alleged dealer receipts could not independently support the demand.

Conclusion: The demand on the alleged additional consideration was not sustainable and was rejected in favour of the assessee.

Final Conclusion: The assessee-side appeals succeeded, and the departmental appeals failed because the evidentiary basis for the duty demands was insufficient and the alleged extra consideration could not survive once the substantive allegations of undervaluation and suppressed production were rejected.

Ratio Decidendi: A duty demand under excise law cannot rest on conjectural production estimates, isolated statements, or unexplained receipts unless the department first proves undervaluation or unaccounted clearance by reliable evidence.

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