Annual capacity redetermination must consider all relevant evidence, including production records and power consumption, before fixing liability.

A challenge to the very initiation of proceedings could not be raised at the appellate stage after being omitted in the earlier round; the plea had been available, the appellants had submitted to the remanded jurisdiction, and they were held estopped from reviving it later. For redetermination of annual capacity of production under Section 3A(4) of the Central Excise Act, the adjudicating authority must consider the full evidentiary record, including actual production materials, electricity consumption data, registers, returns, and subsequent technical reports. A selective appraisal of evidence is insufficient, and the matter required fresh adjudication on the complete record.

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Issues: (i) Whether the appellants could be permitted to raise an additional ground challenging the very initiation of the proceedings after having omitted to take it in the earlier round of litigation; (ii) Whether the determination of annual capacity of production required fresh consideration on the basis of all relevant evidence, including records of actual production and materials relating to power consumption.

Issue (i): Whether the appellants could be permitted to raise an additional ground challenging the very initiation of the proceedings after having omitted to take it in the earlier round of litigation.

Analysis: The plea was available when the earlier remand order was passed, but it was not then raised. The appellants thereafter submitted to the jurisdiction of the Commissioner in the remanded proceedings and derived benefit from the earlier order. In these circumstances, the plea was held to be barred at the appellate stage.

Conclusion: The additional ground was rejected and the appellants were held estopped from raising it.

Issue (ii): Whether the determination of annual capacity of production required fresh consideration on the basis of all relevant evidence, including records of actual production and materials relating to power consumption.

Analysis: The record showed that the Commissioner had relied on a limited part of the material while rejecting the claim for re-determination under Section 3A(4) of the Central Excise Act, 1944. Other relevant materials, including the Electricity Board letter, RG-1 Register, RT-12 Returns, and further technical reports obtained subsequently, were available or produced. The reasoning also recognised that power consumption was a relevant factor in such determinations and that evidence relating to actual production could not be ignored. The matter therefore required a fresh appraisal of all evidentiary materials before fixing the annual capacity of production.

Conclusion: The impugned order was set aside and the matter was remanded for fresh adjudication after considering all evidence and granting a reasonable opportunity of hearing.

Final Conclusion: The appeal succeeded in substance, and the dispute on annual capacity of production was sent back for reconsideration on the full evidentiary record.

Ratio Decidendi: In proceedings for redetermination of annual capacity of production under Section 3A(4), the adjudicating authority must consider all relevant evidence bearing on actual production and power consumption, and may not sustain a finding on a selective appraisal of the record.

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