Modvat credit on manufacturing equipment allowed for integral plant components, but a safety device was excluded.

Modvat credit under Rule 57Q was allowed for equipment used in the cement manufacturing process where the items performed an integral functional role in production. Copper, aluminium and PVC cables were treated as eligible because they enabled electrically driven machinery to operate; resistance temperature detectors and thermocouples were eligible as temperature-monitoring devices essential to manufacture; the distribution control system was accepted as control and switching equipment; filter bags were treated as part of the processing function; and static convertors were accepted as part of the variable speed drive. Rupture disc was held ineligible because it was only a safety device and not a component or part of machinery bringing about manufacture.

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Issues: Whether the disputed items used in the cement manufacturing process were eligible for Modvat credit as capital goods under Rule 57Q of the Central Excise Rules, 1944.

Analysis: The items were examined on their functional role in manufacture. Copper, aluminium and PVC cables were treated as eligible because electrically driven machinery could not operate without them. Resistance temperature detectors and thermocouples were held eligible as they monitored and led process temperatures essential to cement manufacture. The distribution control system was found to function as a control and switching system for starting and stopping equipment and was therefore treated as capital goods. Filter bags were held eligible because they served an equipment function in the processing of goods by regulating process air and avoiding pressurisation. Static convertors were accepted as part of the variable speed drive and thus part of the plant. Rupture disc, however, was regarded only as a safety device and not as a component or part of machinery bringing about manufacture.

Conclusion: Modvat credit was admissible on all the disputed items except rupture disc, which was held ineligible under Rule 57Q.

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