Modvat credit eligibility for heating medium upheld where the material was essential to manufacture and consumed in process.

Dowtherm Diphyl, used as a heating medium to maintain the regulated temperature required in manufacture of nylon and polyester filament yarn, was treated as used in or in relation to manufacture under Rule 57A. Because the material was indispensable to the production process and was consumed during manufacture, it satisfied the requirement of an eligible input for Modvat credit. Credit was therefore allowed and the denial of Modvat credit was set aside in favour of the assessee.

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Issues: Whether Dowtherm Diphyl, used as a heating medium in the manufacture of nylon and polyester filament yarn, qualified as an eligible input for Modvat credit under Rule 57A.

Analysis: The input was found to be indispensable for maintaining the regulated temperature required at various stages of the manufacturing process. The yarn could not be produced without its use, and the material was consumed in the course of manufacture. On that basis, it was held to be used in or in relation to the manufacture of the final product, satisfying the requirement of Rule 57A.

Conclusion: Dowtherm Diphyl was held to be an eligible input for Modvat credit under Rule 57A, and the denial of credit was set aside in favour of the assessee.

Ratio Decidendi: A material essential for maintaining the manufacturing conditions necessary to bring about the final product, and used in relation to manufacture, qualifies as an eligible input for Modvat credit.

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