Modvat credit cannot be denied for unexplained stock shortages without proof of wrong availment or diversion of inputs.

Modvat credit could not be denied merely because physical stock verification showed unreconciled shortages where the record did not establish that credit was wrongly taken or that inputs were diverted, clandestinely used, or otherwise utilised in breach of the rules. The presence of substantial unreconciled excesses and the complexity of the computer-based inventory system indicated accounting or verification discrepancies rather than unlawful disposal. In the absence of evidence of incorrect availment or improper use, a small variation in stock position was insufficient to justify recovery under Rule 57-I, and the disallowance of credit was set aside.

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Issues: Whether Modvat credit could be disallowed under Rule 57-I merely because physical stock verification showed unreconciled shortages, despite the existence of unreconciled excesses and a complex computer-based inventory system.

Analysis: Rule 57-I permits recovery only where credit has been incorrectly or improperly taken. The record did not show that the original credit was wrongly availed or that the inputs were diverted or utilised in violation of the rules. The shortages were part of a broader set of stock discrepancies in a large and complex inventory system, and the existence of substantial unreconciled excesses indicated errors in accounting or physical verification rather than unlawful disposal. In the absence of evidence of clandestine or unauthorised use, and having regard to accepted commercial and professional accounting practice, a small percentage of variation could not justify denial of credit.

Conclusion: The demand under Rule 57-I was not sustainable and the disallowance of Modvat credit was set aside in favour of the assessee.

Ratio Decidendi: Modvat credit cannot be denied solely on unreconciled stock shortages where the evidence does not establish incorrect availment, improper utilisation, or diversion of inputs, particularly when the discrepancies are explainable as accounting variations within a complex inventory system.

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