Case Note & Summary
The dispute arose between service providers and the Union of India regarding the nature of mobile phone connections, questioning whether they constituted a sale, a service, or both. The petitioners, comprising various service providers, contended that the transaction was purely a service, thus only the Union Government could levy service tax, while the states argued for their right to impose sales tax based on the deemed sale under Article 366(29A)(d) of the Constitution. The High Courts of Allahabad, Andhra Pradesh, and Punjab & Haryana had previously ruled against the imposition of sales tax, a decision later overruled by the Supreme Court in State of U.P. vs. Union of India. The Kerala High Court, however, took a contrary stance, leading to further appeals. The Supreme Court addressed preliminary objections regarding res judicata, asserting that the issue of legislative competence had not been conclusively decided in prior cases. The court emphasized that each assessment year presents a new cause of action, allowing for the introduction of new arguments. The court analyzed the definitions of 'goods' and 'sale' under Article 366(29A), concluding that the predominant nature of the transaction was service, and thus states lacked the authority to levy sales tax on telecommunication services. The court also discussed the aspect theory, which permits taxation of distinct elements of a composite transaction, but clarified that the service aspect could not be taxed if it was deemed a sale under central legislation. Ultimately, the court upheld the service providers' position, affirming that the transaction did not involve a transfer of goods as required for sales tax imposition.
Headnote
A) Constitutional Law - Legislative Competence - Nature of Transaction - Article 366(29A) - The court examined whether mobile phone connections are a sale or service, determining that the predominant element is service, thus states cannot levy sales tax. Held that the transaction does not involve a transfer of goods as defined under the Constitution (Paras 1-11). B) Taxation - Res Judicata - Applicability in Tax Matters - The court ruled that res judicata does not apply to tax cases for different assessment years, allowing new contentions to be raised. Held that each assessment year presents a distinct cause of action (Paras 12-20). C) Taxation - Composite Transactions - Taxing Authority - The court clarified that both service and sale elements can exist in a transaction, but states cannot tax the service aspect if it is deemed a sale under central legislation. Held that the aspect theory allows for dual taxation only if distinct elements are present (Paras 21-30).
Issue of Consideration
The nature of the transaction involving mobile phone connections: whether it constitutes a sale, a service, or both.
Final Decision
The Supreme Court ruled in favor of the service providers, determining that the nature of the transaction was predominantly a service and that states lacked the legislative competence to impose sales tax on telecommunication services.
Law Points
- taxation
- service tax
- sales tax
- legislative competence
- composite transactions
- res judicata
- Article 366(29A)
- telecommunication services


