Modvat credit dispute: limitation did not bar the demand, but unsupported disallowance of burning loss credit failed on merits.

Modvat credit disputes concerning alleged non-accounting of inputs sent for job work were held not to fall within the limitation framework applicable to erroneous credit under Rule 57-I(1), though any demand still had to be raised within a reasonable period. On the merits, disallowance based on an assumed 5% cap on burning loss was rejected because no reliable enquiry or supporting data justified fixing that benchmark or discarding the reported losses. The assessee was denied relief on limitation but succeeded on the merits issue, leaving only partial relief to the Revenue.

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Issues: (i) Whether the demand notice for reversal of Modvat credit was barred by limitation under Rule 57-I of the Central Excise Rules; (ii) Whether the disallowance of credit on the alleged burning loss in excess of 5% was sustainable on merits.

Issue (i): Whether the demand notice for reversal of Modvat credit was barred by limitation under Rule 57-I of the Central Excise Rules.

Analysis: The credit had been taken correctly, and the case was one of alleged non-accounting of inputs sent for job work, not a case of credit taken by error, omission, misstatement, collusion, or suppression. The period-specific restriction in sub-rule (1) of Rule 57-I therefore did not govern the matter in the same manner. Even where the Rules prescribe no express period, action must still be taken within a reasonable period, to be judged on the facts of the case.

Conclusion: The finding that the notice was barred by limitation could not be sustained, and this issue was decided against the assessee.

Issue (ii): Whether the disallowance of credit on the alleged burning loss in excess of 5% was sustainable on merits.

Analysis: The disallowance rested on an assumption that the reported burning losses were uniformly high and therefore unreliable. No reliable enquiry or supporting data justified fixing the loss at 5% and rejecting the balance. The normal range of burning loss depended on the nature of the material and processing conditions, and the reported losses could not be discarded merely because they were around 10%. In the absence of a sound basis, the assessee was entitled to the benefit of doubt.

Conclusion: The disallowance on merits was not upheld, and this issue was decided in favour of the assessee.

Final Conclusion: The appeal succeeded on the limitation point but failed on the merits, resulting in no restoration of the disallowance order and only partial relief to the Revenue.

Ratio Decidendi: Where Modvat credit is correctly taken but the dispute concerns alleged non-accounting of inputs, the demand is not governed by the limitation applicable to erroneous credit under Rule 57-I(1); however, any demand must still be raised within a reasonable period, and an arbitrary disallowance unsupported by reliable enquiry cannot be sustained.

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