TNPSC Thervupettagam

Tribunal for Pennaiyar river dispute

February 4 , 2026 14 hrs 0 min 28 0
  • The Supreme Court directs the Centre to constitute a tribunal to settle the Pennaiyar river dispute between T.N. and Karnataka.
  • It directed the Central government to issue a notification to constitute the inter-State water disputes tribunal within a month.
  • Tamil Nadu argued that the flow of water of an inter-State River is a national asset and no single state can claim exclusive ownership of its water.
  • The state also said than an 1892 agreement over the river water was “valid and binding” on the party States.
  • The State further said that a river even included the stream, tributaries and other streams contributing water directly or indirectly into it.
  • The major tributary, Markandeyanadhi, which has its catchment area both in Karnataka and Tamil Nadu, cannot be considered to be out of the purview of the Agreement.
  • The South Pennar River is known as Thenpennai, Ponnaiyar or Pennaiyar in Tamil.
  • It is the second longest river in Tamil Nadu, with a length of 497 km, after the Kaveri.
  • The river originates in the Nandi Hills in the Chikkaballapura district of Karnataka and flows through Tamil Nadu before emptying into the Bay of Bengal.
  • The largest dam on this river is Sathanur Dam near Tiruvannamalai.
  • It splits into a delta on which Cuddalore town is located.

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