Modvat credit on aluminium sheets used in plywood manufacture was upheld because the exclusion clause did not cover machinery parts.

Aluminium sheets used in plywood manufacture were treated as eligible inputs for Modvat credit because Rule 57A's exclusion clause was held to cover plant and machinery, not their parts. The Tribunal applied its earlier decision in the same assessee's case as binding, and distinguished Revenue's authorities on steel sheets and surface plates as dealing with classification rather than Modvat admissibility. On that reasoning, the exclusion provision did not bar credit on the present facts, and the assessee's entitlement to Modvat credit was upheld.

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Issues: Whether aluminium sheets used in the manufacture of plywood were eligible for Modvat credit under Rule 57A of the Central Excise Rules, 1944, or whether they were excluded as appliances or parts of machinery.

Analysis: The Tribunal found that the dispute was already covered by its earlier decision in the respondents' own case, which had granted Modvat credit on the same aluminium sheets. The earlier decision was treated as binding and was supported by the principle that the exclusion clause in Rule 57A applies to plant and machinery, not to their parts. The authorities cited by the Revenue were held to concern classification of steel sheets and surface plates and not the admissibility of Modvat credit on the present facts, and were therefore distinguishable.

Conclusion: The aluminium sheets were eligible inputs for Modvat credit and were not hit by the exclusion clause; the appeal was rejected.

Final Conclusion: The assessee's entitlement to Modvat credit was upheld on the basis that the exclusion provision did not extend to parts of machinery used in the manufacturing process.

Ratio Decidendi: The exclusion clause in Rule 57A of the Central Excise Rules, 1944 does not apply to parts of plant and machinery, and inputs covered by an earlier binding decision remain eligible for Modvat credit unless distinguishably excluded on the facts.

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