VidhiSangh

Supreme Court of India · 05/01/2026

ADANI POWER LTD. & ANR versus UNION OF INDIA & ORS

[2026] 2 S.C.R. 1 · 2026 INSC 1

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Summary

The Supreme Court held that the Gujarat High Court's 2015 declaration that customs duty could not be levied on electricity cleared from the appellant's SEZ power plant to the Domestic Tariff Area was a declaration of law on the authority to levy, not confined to one notification or period. Later notifications imposing per-unit duty merely continued the same unauthorised levy, so the appellant was entitled to refund for 16.09.2010 to 15.02.2016 without separately challenging them.

Issues

  1. What the Gujarat High Court decided in its 2015 judgment and whether it was confined to Notification No. 25/2010-Cus. and the period up to 15.09.2010.
  2. Whether any change in law or fact between 16.09.2010 and 15.02.2016 justified a different result.
  3. Whether relief could be refused because Notification Nos. 91/2010-Cus. and 26/2012-Cus. were not specifically challenged.
  4. Whether a later co-ordinate Bench of the High Court could narrow the earlier declaration instead of following it or referring the question to a larger Bench.

Provisions considered

Held

Result

Appeal allowed; High Court's judgment of 28.06.2019 set aside; levy on the appellant's SEZ-to-DTA electricity under Notification Nos. 25/2010, 91/2010 and 26/2012-Cus. declared without authority of law; amounts deposited under protest for 16.09.2010 to 15.02.2016 to be refunded without interest after verification within eight weeks; no further demand for that period; no opinion on any future legislative regime; no costs.

Judgment PDF: Supreme Court of India, [2026] 2 S.C.R. 1.