Capacity-based excise determination must consider power factor; prior precedent did not bar redetermination on that basis.

Power factor was treated as a relevant element in determining annual capacity under the capacity-based excise scheme, because Section 3A of the Central Excise Act requires assessment by reference to relevant production factors; the rule was read down to permit its consideration rather than exclude it. The earlier Supreme Court ruling cited by the Revenue was held inapplicable because it involved a different statutory claim and did not bar redetermination on the basis of a relevant factor in the original capacity assessment. The impugned determination was quashed and capacity was directed to be redetermined after considering power factor.

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Issues: (i) Whether power factor is a relevant factor for determining annual capacity of production under the capacity-based excise scheme and whether Rule 3 of the Induction Furnace Annual Capacity Determination Rules should be read down accordingly; (ii) Whether the earlier Supreme Court decision relied upon by the Revenue precluded the petitioner from seeking redetermination on that basis.

Issue (i): Whether power factor is a relevant factor for determining annual capacity of production under the capacity-based excise scheme and whether Rule 3 of the Induction Furnace Annual Capacity Determination Rules should be read down accordingly.

Analysis: Section 3A of the Central Excise Act authorises levy of duty on the basis of capacity of production and contemplates determination by reference to relevant factors. The material showed that power is essential in the steel industry and that the manufacturer had produced supporting documents. The Court found no prohibition in the scheme against considering power factor and held that exclusion of such a relevant element would defeat the object of fair determination of annual capacity. Instead of striking down the rule, the provision could be construed so as to include power factor in the assessment process.

Conclusion: Power factor was held to be a relevant factor, and the rule was read down to permit its consideration in determining annual capacity of production.

Issue (ii): Whether the earlier Supreme Court decision relied upon by the Revenue precluded the petitioner from seeking redetermination on that basis.

Analysis: The cited decision concerned a different situation where an assessee, after opting for the scheme, sought a benefit under a different part of the statutory mechanism. The Court held that the facts were materially different because the present petitioner was not seeking the same relief and was only asking for proper consideration of a relevant factor in the original determination.

Conclusion: The earlier decision did not bar the petitioner's claim.

Final Conclusion: The impugned determination was quashed and the respondents were directed to redetermine capacity after considering power factor, with liberty to place further material before the authority.

Ratio Decidendi: Where a capacity-based excise scheme requires determination by reference to relevant factors, a factor demonstrably connected with production capacity cannot be excluded merely because the rule does not expressly mention it; the provision may be read down to preserve fair and effective implementation of the statutory object.

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