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Pennaiyar River Dispute: Tribunal Ordered by Supreme Court

6 February 20261 min read
NATIONAL AFFAIRSPennaiyar RiverDispute: TribunalOrdered bySupreme Court6 February 2026safalsetu.com

Why in the news

The Supreme Court asked the Union Government to set up a water disputes tribunal, within a month, to settle the Pennaiyar row between Tamil Nadu and Karnataka.

Key facts

  • Court order: constitute an a river water disputes tribunal for states, to be formed in one month.
  • Parties: Tamil Nadu versus Karnataka.
  • Tamil Nadu’s suit relied on Article 131 and the 1956 Act governing such river disputes.
  • Origin: Nandi Hills, Chikkaballapura district, Karnataka.
  • Riparian position: Karnataka is upper, Tamil Nadu is lower.

About the river

  • A southern river that runs eastward and crosses state borders.
  • Other names: Thenpennai or Ponnaiyar in Tamil, Dakshina Pinakini in Kannada.
  • Important for irrigation, industry and drinking water, particularly in Tamil Nadu.
  • Listed as part of the Eastern Ghats river system, so it is not a Western Ghats river.

Exam angle

  • Constitutional provision used for the suit: Article 131.
  • Alternate name in Kannada: Dakshina Pinakini.
  • Direction of flow: east; origin: Nandi Hills.

Test yourself

1. Under which Article did Tamil Nadu file its Pennaiyar water suit in the Supreme Court?

The notes say the suit was filed under Article 131.

2. What is the Kannada name of the Pennaiyar River?

Dakshina Pinakini is the Kannada name; Thenpennai/Ponnaiyar are Tamil names.

3. Pennaiyar River originates in which hills?

The river rises in Nandi Hills, Chikkaballapura district, Karnataka.