Electricity-linked construction and threshold exemptions can defeat service tax where project infrastructure is integral to power generation.

Services integrally connected with hydroelectric generation and transmission were treated as exempt from service tax, including construction of project structures, staff quarters, office facilities and inspection bungalows, because they formed part of the generating station infrastructure. Construction of a dedicated municipal water supply scheme under JNNURM was treated as a public utility activity, not taxable works contract service. Renting of construction equipment also escaped tax where the relevant turnover remained within the threshold exemption and the assessee's other turnover was exempt. The article states that tax liability cannot arise merely from the service classification when exemption or threshold relief applies.

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Issues: (i) Whether construction and allied services rendered for hydro power projects and staff quarters within such projects were exempt from service tax as services connected with generation or transmission of electricity; (ii) whether construction of a dedicated water supply scheme for a municipal corporation under JNNURM was taxable as works contract service; (iii) whether renting of construction equipment as supply of tangible goods service was leviable to tax where turnover was within the threshold limit; (iv) whether management, maintenance or repair services relating to civil structures at small hydroelectric projects were exempt from service tax.

Issue (i): Whether construction and allied services rendered for hydro power projects and staff quarters within such projects were exempt from service tax as services connected with generation or transmission of electricity.

Analysis: The services in question related to construction of structures forming part of hydro power projects, and the Tribunal treated them as services connected with generation of electricity and, therefore, with transmission of electricity. It applied the exemption notifications governing services relating to or for transmission of electricity and relied on the view that classification as works contract service, site formation service, or manpower service did not alter the exemption where the underlying activity was so connected. For staff quarters and other buildings within the power project, the Tribunal also relied on the statutory understanding that a generating station includes such appurtenant structures.

Conclusion: The demand on these construction-related services was not sustainable and was set aside in favour of the assessee.

Issue (ii): Whether construction of a dedicated water supply scheme for a municipal corporation under JNNURM was taxable as works contract service.

Analysis: The project was treated as a public utility work and not as a commercial activity. On that basis, and following precedent relied upon in the decision, the Tribunal held that the activity did not fall within the taxable service described as works contract service for the purposes of the demand raised.

Conclusion: The service tax demand on the water supply scheme was unsustainable and was set aside in favour of the assessee.

Issue (iii): Whether renting of construction equipment as supply of tangible goods service was leviable to tax where turnover was within the threshold limit.

Analysis: The Tribunal held that the value attributable to supply of tangible goods service was below the threshold exemption limit, and that the assessee's other turnover comprised exempted services. On that basis, the threshold exemption was available for the relevant years and the demand could not be sustained.

Conclusion: The demand on supply of tangible goods service was not maintainable and was set aside in favour of the assessee.

Issue (iv): Whether management, maintenance or repair services relating to civil structures at small hydroelectric projects were exempt from service tax.

Analysis: The Tribunal held that the office, quarters, and inspection bungalow at the hydroelectric project were part of the project infrastructure and that the services rendered in relation to them were covered by the exemption for services relating to or for transmission of electricity. The demand also failed on the alternative threshold analysis for the period beyond the initial notification period, as the turnover remained within the exemption limit.

Conclusion: The demand for management, maintenance or repair services was unsustainable and was set aside in favour of the assessee.

Final Conclusion: All the service tax demands in the connected appeals failed on the applicable exemption and threshold principles, and the impugned orders were set aside with consequential relief.

Ratio Decidendi: Where the underlying service is integrally connected with generation or transmission of electricity, or falls within a valid threshold exemption, service tax cannot be levied merely because the activity is classified under a taxable service head.

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