·The Hindu·15 marks·250–350 words

Inter-state water disputes reflect the tension between cooperative and competitive federalism in India. Discuss with reference to the Cauvery dispute.

In this answer
  1. Cooperative federalism: shared institutions
  2. Competitive federalism: contested compliance

Water is a State subject (Entry 17), while inter-State rivers fall to the Union (Entry 56) and their disputes are adjudicated under Article 262 read with the Inter-State River Water Disputes (ISRWD) Act, 1956. The Cauvery dispute shows how this dual design produces joint institution-building and rival claims in equal measure.

Cooperative federalism: shared institutions

  • Adjudication over agitation: the Cauvery Water Disputes Tribunal (1990) gave its Final Award (2007), modified by the Supreme Court on 16 February 2018, fixing Karnataka's release to Tamil Nadu at 177.25 TMC annually [2].
  • Joint implementing machinery: the Centre's gazette notification of 1 June 2018 created the Cauvery Water Management Authority (CWMA) and Cauvery Water Regulation Committee (CWRC), with part-time members from Karnataka, Tamil Nadu, Kerala and Puducherry sitting alongside Union officials [1][2].
  • Basin-wide regulation: CWRC monitors eight reservoirs, including Krishnarajasagara, Kabini and Mettur, converting a political quarrel into technical, data-based management [1].
  • Systemic reform: the ISRWD (Amendment) Act, 2019 added a Disputes Resolution Committee for amicable settlement and tighter tribunal timelines [3].

Competitive federalism: contested compliance

  • Litigation as the default: Tamil Nadu again moved the Supreme Court in August 2026, alleging Karnataka withheld its proportionate share, with a shortfall of 17.414 tmc ft under the pro-rata formula [4].
  • Upstream–downstream conflict: Karnataka pleaded a "distress year" and El Niño-linked inflow variability, exposing how rigid annual formulas fail in deficit years [4].
  • Enforcement deficit: with no independent enforcement arm, CWMA's directions depend on State cooperation, and grievances rebound to the judiciary.
  • Electoral salience: irrigation-dependent agrarian constituencies make concession politically costly for both States.

The Court's own advice — that Tamil Nadu first approach the CWMA [4] — signals the way forward: strengthen the Authority with real-time telemetry, a codified distress-sharing formula and financial autonomy, and activate the 2019 Act's mediation route. Cooperative federalism must be the operating norm, with adjudication the exception.

Sources

  1. 1Press Information Bureau — Cauvery Water Management Authority (constitution, composition, CWRC)1 June 2018 gazette notification, CWMA/CWRC structure, reservoirs monitored
  2. 2Supreme Court of India, judgment dated 18 May 2018 framing the Cauvery scheme (Civil Appeal arising from CWDT award)CWDT award as modified by the SC order of 16 February 2018; Karnataka's 177.25 TMC obligation
  3. 3PRS Legislative Research — Inter-State River Water Disputes (Amendment) Bill, 2019Disputes Resolution Committee and revised tribunal timelines
  4. 4"Raise proportionate quantity issue with CWMA, SC tells T.N.", *The Hindu*, 25 August 2026 (news report; URL not verifiable at time of writing) — 17.414 tmc ft shortfall, Karnataka's distress-year/El Niño affidavit, SC directing T.N. to the CWMA

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