CENVAT credit reversal requires reasoned findings on common inputs, by-product treatment, and Rule 6 applicability before exemption is accepted.

Where reversal of CENVAT credit depends on the use of common inputs and input services for dutiable and exempted outputs under Rule 6 of the CENVAT Credit Rules, 2004, the appellate authority must examine the manufacturing process and record clear reasons on whether the output is genuinely a by-product or exempted goods. A conclusory acceptance of the assessee's stand, without independent consideration of the factual basis, common input usage, separate accounts, and the treatment of electricity-related credit, is unsustainable. The High Court therefore set aside the CESTAT's order and remitted the matter for fresh consideration.

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Issues: Whether the CESTAT's order holding that no reversal of CENVAT credit was required in respect of iron ore fines and electricity was sustainable, and whether the matter required fresh consideration.

Analysis: The appeal turned on the correctness of the Tribunal's brief acceptance of the assessee's case that iron ore fines were only a by-product and that reversal of credit relating to electricity was sufficient. The record showed that the adjudicating authority had examined the nature of the goods, the use of common inputs and input services, the absence of separate accounts, and the applicability of Rule 6 of the CENVAT Credit Rules, 2004. The Tribunal, however, disposed of the controversy by treating the matter as already settled, without independently examining the manufacturing process, the manner in which iron ore fines emerged, the extent of common inputs and input services, or whether the factual predicates for treating the goods as a by-product were established. In these circumstances, the High Court found that the issue had not been properly reasoned out at the appellate stage.

Conclusion: The CESTAT's order was held unsustainable and was set aside, and the matter was remitted for fresh consideration.

Ratio Decidendi: Where a tax appellate decision turns on whether common inputs and input services used for dutiable and exempted outputs attract reversal under Rule 6 of the CENVAT Credit Rules, 2004, the appellate authority must record clear reasons on the manufacturing process and the factual basis for treating the output as a by-product or exempted goods; a conclusory order without such examination is unsustainable.

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