Theoretical production estimates cannot sustain excise demand for clandestine removal without reliable evidence of actual unaccounted manufacture.

Excise duty demand based on alleged suppression of production and clandestine removal cannot rest on theoretical calculations of manganese content, assumed yield, or arithmetical estimation alone. Actual consumption, wastage and burning loss had to be considered, and the record did not provide reliable evidence of unaccounted manufacture or removal beyond an employee statement and assumptions. The same calculation method had already been rejected in the assessee's own case and in comparable matters. The demand therefore failed, and the consequential penalty, confiscation and interest were also set aside.

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Issues: Whether the demand, penalty, confiscation and interest could be sustained when the alleged suppression of production and clandestine removal were founded only on theoretical calculations and assumptions as to manganese content and yield.

Analysis: The basis of the demand was arithmetical estimation of the likely production from the quantity of raw material received, together with reliance on an employee statement. The material on record indicated that manganese content in the inputs varied, that wastage and burning loss had to be taken into account, and that actual consumption rather than mere receipt of raw material was the relevant basis for working out production. The earlier order in the appellant's own case had rejected the same method of calculation and had held that the assumed percentage of manganese was not a reliable foundation for alleging suppression or clandestine removal. The same reasoning had also been accepted in comparable cases involving similarly placed manufacturers.

Conclusion: The demand based on theoretical production could not be sustained, and the consequential penalty, confiscation and interest also failed. The appeal was allowed and the impugned order was set aside.

Ratio Decidendi: A demand for excise duty alleging suppression of production or clandestine removal cannot be upheld merely on the basis of theoretical calculations and assumed input-output ratios unless supported by reliable evidence of actual unaccounted manufacture or removal.

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