Modvat credit ceiling controls higher notional credit; special excise duty cannot exceed the notification's prescribed limit.

Higher notional Modvat credit for special excise duty was available only at the rate expressly prescribed in the applicable notification, and the ceiling of 5% ad valorem controlled the claim. Rule 57B was treated as the basis for claiming such credit, but it did not permit an enhanced rate beyond the limit fixed under the notification issued under Rule 8(1) or Section 5A(1). The text states that a claim for 10.5% exceeded the prescribed ceiling, and the linkage between special excise duty and basic duty did not justify credit above that cap.

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Issues: Whether the respondents were entitled to higher notional credit in respect of special excise duty under the amended Notification No. 175/86, and whether such credit could exceed the maximum ceiling of 5% ad valorem.

Analysis: Rule 57B was treated as the source of authority for claiming higher notional credit, and the credit had to be allowed only at the rates specified in the notification issued under Rule 8(1) or Section 5A(1). The amended Notification No. 175/86 fixed the maximum higher notional credit at 5% ad valorem. The claim for 10.5% was held to be beyond that ceiling. The fact that special excise duty was a specified duty eligible for Modvat credit did not permit an enlarged notional credit beyond the prescribed limit.

Conclusion: The respondents were not entitled to higher notional credit on special excise duty beyond 5% ad valorem, and the Revenue's appeal succeeded.

Final Conclusion: The ceiling fixed under the notification governed the extent of higher notional credit, and the assessee could not claim a benefit in excess of that limit merely because special excise duty was linked to basic duty.

Ratio Decidendi: Higher notional credit under the Modvat scheme can be claimed only within the maximum rate expressly prescribed by the applicable notification, and statutory linkage between duties does not override that ceiling.

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