Modvat credit under Rule 57E is unavailable when duty is paid for the first time after detection of evasion.

Rule 57E of the Central Excise Rules, 1944 applies only where duty on inputs has already been paid and is later varied, giving rise to refund or recovery of differential duty after credit has been taken. Where inputs were cleared without duty and duty was paid for the first time only after departmental detection of suppression or evasion, the rule does not permit Modvat credit or adjustment. The note therefore treats first-time post-detection duty payment as outside the scope of Rule 57E.

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Issues: Whether duty paid for the first time on detection by the department in respect of inputs earlier cleared without payment of duty entitled the recipient to Modvat credit under Rule 57E of the Central Excise Rules, 1944.

Analysis: Rule 57E applies only where duty already paid on inputs is subsequently varied, resulting in refund or recovery of differential duty, and credit had already been taken on those inputs. In the present case, no credit had been availed at the time of receipt of the inputs and the duty was paid only later upon detection of suppression and evasion by the supplier. The rule therefore did not cover a first-time duty payment made after departmental detection, and the recipient could not claim adjustment of credit on that basis.

Conclusion: The assessee was not entitled to Modvat credit under Rule 57E, and the Revenue's appeal succeeded.

Final Conclusion: The order granting credit was set aside and the denial of Modvat credit was upheld.

Ratio Decidendi: Rule 57E permits adjustment only of credit already taken where the duty on inputs is subsequently varied; it does not confer credit where duty is paid for the first time on detection of evasion after clearance.

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