Service tax on road freight treated as a levy on transport services, with incidental State-list overlap not defeating competence.

Service tax on freight for carriage of goods by road was analysed as a levy on the transportation service, not as a tax on goods or passengers under Entry 56 of List II. The dominant character test was applied: where the true nature of the impost is service tax, incidental overlap with a State subject does not defeat parliamentary competence. Earlier Supreme Court rulings on road carriage taxes and mandap keepers were relied on, and the validating retrospective amendments were treated as curing the defects noted in the earlier challenge. The constitutional challenge accordingly failed.

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Issues: Whether the service tax levied on freight for carriage of goods by road was, in pith and substance, a tax on goods and passengers falling within the State List, or a tax on services within Parliament's competence; and whether the impugned levy could be sustained despite the earlier invalidation of the collection mechanism.

Analysis: The levy was examined in the light of the constitutional distribution of legislative power and the earlier Supreme Court decisions dealing with taxes on goods and passengers carried by road. Those decisions established that a tax whose incidence is on the movement of goods or passengers falls within Entry 56 of List II, but the present levy was characterised by the impugned enactments as a tax on the service of transportation, not on the goods themselves. The Court also relied on the later Supreme Court ruling upholding service tax on mandap keepers, where the dominant character of the impost was held to be service tax and not a tax on land, goods, or entertainment. The validating and retrospective amendments were considered as removing the defects noticed in the earlier challenge and as supporting the legislative scheme.

Conclusion: The levy was held to be a tax on services within Parliament's legislative competence and not a tax on goods or passengers under Entry 56 of List II. The constitutional challenge failed.

Ratio Decidendi: Where the true character of the impost is a tax on the service provided, its validity is judged by its dominant nature and not by the fact that the service facilitates the carriage of goods; incidental overlap with a State subject does not destroy parliamentary competence.

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