Undervaluation and clandestine manufacture demands fail where price lists remain unfinalised and gas consumption evidence is only presumptive.

Undervaluation demands under the Central Excise regime could not be sustained where the filed price lists had not been finally determined through the statutory assessment process. Duty liability also could not be inferred merely from gas consumption norms, because such a method was only presumptive and lacked independent evidence of clandestine manufacture, raw material procurement, transport, or sale. Once the substantive duty demands failed, the consequential penalties likewise had no independent basis and could not survive.

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Issues: (i) whether the demand founded on alleged undervaluation could be sustained when the price lists filed under the Central Excise regime had not been finally determined by the jurisdictional authority; (ii) whether production and duty liability could be inferred merely from gas consumption norms; and (iii) whether penalties could survive once the substantive demands failed.

Issue (i): whether the demand founded on alleged undervaluation could be sustained when the price lists filed under the Central Excise regime had not been finally determined by the jurisdictional authority.

Analysis: Under the then prevailing procedure, the assessee was required to file classification and price lists before the jurisdictional Assistant Commissioner, and assessable value was to be determined through that process. The price lists in the present case had admittedly been filed but were not finalized. In that situation, the demand on the basis of a different value could not be enforced until the statutory process of finalization of the price list had run its course. The demand on undervaluation therefore lacked jurisdictional support.

Conclusion: The undervaluation demand was unsustainable.

Issue (ii): whether production and duty liability could be inferred merely from gas consumption norms.

Analysis: The demand was worked out by assuming a fixed quantity of gas required for production and then estimating suppressed manufacture from total gas consumption. Such an approach was held to be only presumptive. No reliable independent evidence was brought to show the actual procurement of raw material, the transport of the alleged goods, or their sale to identified buyers. The Tribunal applied the principle that production and duty liability cannot be determined solely on the basis of input consumption figures, which remain an unsafe basis for quantifying clandestine manufacture.

Conclusion: The demand based on gas consumption did not survive.

Issue (iii): whether penalties could survive once the substantive demands failed.

Analysis: The penalties were entirely consequential to the duty demands. Once both principal demands were held unsustainable, there was no independent foundation left for the penal consequences.

Conclusion: The penalties also were not sustainable.

Final Conclusion: The impugned order was set aside and all appeals were allowed, with the entire duty demand and consequential penalties failing on merits.

Ratio Decidendi: Duty cannot be confirmed on a presumptive basis from input consumption alone, and a demand tied to assessable value cannot bypass the statutory process for finalization of price lists.

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