·The Hindu

‘Bihar’s concerns on Ganga treaty will be considered’

In this note
  1. At a Glance
  2. Why in the News
  3. Background & Evolution
  4. Core Static Facts
  5. Multi-Dimensional Analysis
  6. Recent Developments (last 12–18 months)
  7. Prelims Hooks
  8. Mains Relevance
  9. Related Topics to Study Next
  10. Common Errors / Trap Areas

1. At a Glance

  • The India–Bangladesh Ganga Water Treaty (1996) governs lean-season water sharing at the Farakka Barrage and is due for renewal as it expires on 31 December 2026 [4].
  • Bihar's JD(U) has publicly demanded the treaty either be renegotiated or not renewed, citing silt accumulation and water shortage impact on the state [4].
  • Tests both static federalism/river-sharing knowledge and current diplomatic negotiation — a classic Prelims-cum-Mains crossover topic (GS-I geography, GS-II IR/federalism).
  • Illustrates the Centre-State-neighbouring-country interface in transboundary water governance.

2. Why in the News

  • External Affairs Minister S. Jaishankar, in a letter dated 28 August 2026 to JD(U) MP Sanjay Jha, assured that Bihar's interests will be factored in while deciding on treaty renewal [4].
  • Jha had earlier written to the Centre asserting the treaty had "negatively impacted" Bihar, citing silt accumulation upstream of the Ganga, and urged that it not be renewed [4].
  • Jha argued 13 crore people in Bihar risk being short of water for drinking, irrigation and industrial supply for another 30 years if renewed without addressing Bihar's scientific concerns [4].
  • Jaishankar's letter noted inter-ministerial consultations led by the Jal Shakti Ministry have already taken place with stakeholders [4].

3. Background & Evolution

  • Treaty signed 12 December 1996 by PMs H.D. Deve Gowda (India) and Sheikh Hasina (Bangladesh) [1][2].
  • Establishes a dry-season (lean period) water-sharing mechanism, effective 1 January to 31 May each year, based on flow measured at Farakka Barrage (West Bengal, near Bangladesh border) [1][2].
  • Validity: 30 years, with a review provision every 5 years [1].
  • Predecessor arrangements: ad hoc agreements on Farakka water-sharing existed from 1975 onward before the 1996 treaty formalised a long-term formula.
  • June 2024: during Sheikh Hasina's visit to India (weeks before her government fell in August 2024), both sides announced commencement of technical-level renewal negotiations [2].
  • 13 February 2026: Government of India informed Parliament that renewal discussions had not yet formally commenced [2].
  • Subsequently, reports indicate formal renewal talks/technical committee meetings (referenced as the 86th Joint Committee meeting) have begun ahead of the December 2026 deadline [1][2].

4. Core Static Facts

Aspect Detail
Treaty name India–Bangladesh Treaty on Sharing of Ganga/Ganges Waters at Farakka
Signed 12 December 1996 [1]
Signatories H.D. Deve Gowda (India), Sheikh Hasina (Bangladesh) [2]
Validity 30 years (expires 31 December 2026) [1][4]
Review clause Every 5 years [1]
Sharing period 1 January–31 May (lean/dry season), 10-daily basis [1]
Sharing formula >75,000 cusecs: India can draw up to 40,000 cusecs; <70,000 cusecs: equal 50-50 split; 70,000–75,000 cusecs: Bangladesh guaranteed min. 35,000 cusecs [1]
Key site Farakka Barrage, West Bengal (Murshidabad district, near Bangladesh border)
Nodal ministry (India) Ministry of Jal Shakti, Department of Water Resources, River Development & Ganga Rejuvenation [1]
Nodal ministry for diplomacy Ministry of External Affairs (MEA) [4]
Key states affected Bihar, West Bengal (upstream/downstream impact)
Bihar's ask State-specific scientific assessment be factored in before renewal [4]

5. Multi-Dimensional Analysis

Geopolitical/Strategic

  • Renewal is a key item on the 2026 India–Bangladesh diplomatic calendar, occurring amid post-Hasina political transition in Bangladesh [4].
  • Water-sharing remains a sensitive bilateral issue, intertwined with broader India-Bangladesh relations (trade, border, connectivity).

Administrative/Federalism

  • Highlights Centre-State consultation in treaty-making on shared rivers — states like Bihar have no direct treaty-making power (Union subject under Article 253) but seek consultative input.
  • Jal Shakti Ministry-led inter-ministerial consultations show the institutional mechanism for incorporating state concerns into an international negotiation [4].

Environmental

  • Bihar's core grievance: upstream silt/sedimentation attributed to Farakka barrage operations, affecting river morphology and flood patterns [4].
  • Broader ecological critique: treaty renewal debates flag declining Ganga flows, climate variability, and ecological sustainability needs beyond simple renewal [2].

Economic/Social

  • Water security for 13 crore people in Bihar for drinking, irrigation, and industrial use is the stated stake [4].
  • Downstream Bangladesh also depends on assured dry-season flow for agriculture and drinking water.

Legal/Constitutional

  • International river treaties fall under the Union's treaty-making power (Article 253); states can only be consulted, not bind the Centre — relevant to Bihar's advisory (not veto) role.

6. Recent Developments (last 12–18 months)

  • June 2024: India-Bangladesh announce start of technical-level talks on renewal (during Hasina visit) [2].
  • August 2024: Sheikh Hasina government falls; political transition in Bangladesh affects continuity of talks.
  • 13 February 2026: Government tells Parliament formal renewal discussions had not yet commenced [2].
  • 2026: Reports of an impending 86th Joint Committee of technical experts meeting on treaty renewal [1].
  • 28 August 2026: Jaishankar writes to Sanjay Jha (JD(U)) assuring Bihar's concerns will be considered [4].
  • 3 September 2026: Story published (The Hindu) on Jaishankar-Jha correspondence [4].
  • Treaty set to expire 31 December 2026, making renewal an urgent 2026 diplomatic priority [4].

7. Prelims Hooks

  • Ganga Water Treaty signed on 12 December 1996 between India and Bangladesh.
  • Signed by PMs H.D. Deve Gowda and Sheikh Hasina.
  • Treaty validity: 30 years; expires 31 December 2026.
  • Water sharing applies during the lean/dry season, 1 January–31 May, on a 10-daily basis.
  • Sharing point: Farakka Barrage, located in West Bengal (Murshidabad district).
  • If flow >75,000 cusecs, India may withdraw up to 40,000 cusecs.
  • If flow <70,000 cusecs, water is shared equally.
  • If flow is 70,000–75,000 cusecs, Bangladesh gets a minimum guaranteed 35,000 cusecs.
  • Nodal ministry: Ministry of Jal Shakti (Department of Water Resources, River Development & Ganga Rejuvenation).
  • Bihar's concern raised by JD(U) MP Sanjay Jha; response given by EAM S. Jaishankar.
  • Treaty has a review clause every 5 years.
  • Farakka Barrage was constructed to divert Ganga water into the Hooghly to flush silt from Kolkata Port — a fact often confused with treaty provisions.
  • Article invoked for Centre's treaty-making power over inter-country river-sharing: Article 253 of the Constitution.

8. Mains Relevance

9. Related Topics to Study Next

  • Farakka Barrage Project — engineering/ecological context behind the treaty dispute.
  • Article 253 & Union's treaty-making power — constitutional basis for Centre overriding state consultation.
  • Teesta River water-sharing dispute — parallel unresolved India-Bangladesh river issue.
  • Inter-State River Water Disputes Act, 1956 — domestic analogue for river disputes (Cauvery, Krishna, etc.), useful comparison.
  • Namami Gange Programme — Ganga rejuvenation policy context.
  • India-Bangladesh bilateral relations — broader diplomatic backdrop post-2024 political transition in Dhaka.
  • Silting and river morphology issues — environmental science angle relevant to Bihar's grievance.
  • Indus Waters Treaty — comparative case of a transboundary river treaty facing renegotiation pressure.

10. Common Errors / Trap Areas

  • Confusing the Ganga Water Treaty (1996) with the Farakka Barrage construction (1975) — the barrage predates the treaty by two decades.
  • Assuming states have treaty-making authority — river treaties with foreign countries are a Union subject; states only get consulted.
  • Mixing up the sharing formula thresholds (70,000 / 75,000 cusecs) — a frequently tested numeric detail.
  • Assuming the Jal Shakti Ministry negotiates the treaty independently — actual treaty diplomacy is led by MEA, with Jal Shakti providing technical/inter-ministerial input.
  • Confusing this treaty with the Teesta water-sharing issue, which remains unresolved and separate from the Ganga Treaty.

Sources

  1. 1Year End Review – Department of Water Resources, River Development and Ganga Rejuvenation, Ministry of Jal Shaktipib.gov.in · tier 1
  2. 2Ganga Water Treaty Nears 2026 Deadline: Why India and Bangladesh Need an Ecological Reset, Not Just Renewaldowntoearth.org.in · tier 4
  3. 3Agreements with Neighbouring Countries on Rivers, PIBpib.gov.in · tier 1
  4. 4'Bihar's concerns on Ganga treaty will be considered', The Hindu, 3 September 2026thehindu.com · tier 4

Mains Q&A on this note

Also on 3 September

All 3 September articles →