Modvat credit follows actual duty paid on inputs, including later differential duty; Rule 57E is procedural and retrospective.

Modvat credit was treated as available on the actual duty paid on eligible inputs, including duty or differential duty paid after clearance but before finalisation of duty, because the scheme required credit to reflect the correct duty incidence. Rule 57E was regarded as clarificatory and procedural, operating retrospectively to the extent it provided the mechanism for adjustment where the duty on inputs was later varied. The effect was that credit could be adjusted to match the final duty paid on the inputs, and the contrary earlier view was disapproved.

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Issues: (i) Whether Modvat credit was admissible on duty or differential duty paid on inputs after their clearance and before finalisation of the duty position. (ii) Whether Rule 57E of the Central Excise Rules operated as a clarificatory and procedural provision with retrospective effect.

Issue (i): Whether Modvat credit was admissible on duty or differential duty paid on inputs after their clearance and before finalisation of the duty position.

Analysis: Rule 57A laid down the broad contours of the Modvat scheme, while the entitlement to credit had to be worked out with the aid of the succeeding rules, particularly Rules 57G and 57E. The manufacturers had satisfied the procedural requirements then in force under Rule 57G, and the credit claimed related to duty actually paid later on the same inputs, or to differential duty arising on finalisation of price or classification. The right was to credit of the actual duty paid, not merely the duty shown at the time of initial clearance.

Conclusion: Credit on subsequently paid duty or differential duty was admissible in favour of the assessee.

Issue (ii): Whether Rule 57E of the Central Excise Rules operated as a clarificatory and procedural provision with retrospective effect.

Analysis: Rule 57E was understood as stating expressly what was already implicit in Rule 57G, namely, that credit must track the correct amount of duty paid on inputs and be adjusted where duty was later varied. The amendments to Rule 57E were intended to remove doubt and provide the mechanism for adjustment, refund, or recovery in cases of variation of duty. The provision was therefore treated as clarificatory and procedural, and its amended form was held applicable to situations not already concluded before 15-4-1987.

Conclusion: Rule 57E was held to be clarificatory and procedural and to operate retrospectively to the extent indicated.

Final Conclusion: The manufacturers were entitled to Modvat credit on subsequently paid duty or differential duty on inputs, and the contrary earlier view was disapproved; the departmental appeal failed while the connected assessee appeals succeeded.

Ratio Decidendi: Under the Modvat scheme, credit is available on the actual duty paid on eligible inputs, including duty or differential duty paid subsequently, and the rule providing for adjustment of such credit is clarificatory and procedural rather than restrictive.

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