Mixing propane and butane into LPG amounts to manufacture when a distinct commercial product emerges, triggering excise benefits.

Mixing propane and butane to produce liquefied petroleum gas was treated as manufacture because the blended output emerged as a distinct commercially recognised commodity in trade and technical usage. Applying the principle that blending or mixing amounts to manufacture when a new marketable identity results, the activity qualified for excise purposes. Once manufacture was established, the exemption for captive consumption became available, and the inputs used in the process also satisfied the conditions for Modvat credit. The operative point is that a commercially separate product arising from mixing inputs can attract the fiscal benefits linked to manufacture.

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Issues: Whether mixing propane and butane to obtain liquefied petroleum gas amounts to manufacture, and whether the assessee was consequently entitled to exemption and Modvat credit.

Analysis: Liquefied petroleum gas was shown, from technical literature, Indian Standard specifications and the relevant governmental order, to be a mixture of light hydrocarbons that may include propane and butane. The result of mixing the two inputs was therefore not merely the same substances in unchanged form, but LPG as a commercially recognised product. The reasoning applied the settled principle that blending or mixing amounts to manufacture where a distinct commercial commodity emerges, and the product obtained in the market has a separate commercial identity. Once the activity constituted manufacture, the exemption for captive consumption became available for propane and the inputs used in the process satisfied the requirement for Modvat credit.

Conclusion: The process of mixing propane and butane amounted to manufacture, and the assessee was entitled to the exemption and to Modvat credit on butane.

Ratio Decidendi: Where mixing of two inputs brings into existence a commercially distinct product recognised in trade and technical usage, the process amounts to manufacture for excise purposes and the connected fiscal benefits follow.

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