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The Indus Waters Treaty(IWT)



The Indus Waters Treaty (IWT), signed in 1960 between India and Pakistan with the World Bank's mediation, has been a cornerstone of water-sharing diplomacy in South Asia.  However, recent developments have put this long-standing agreement under unprecedented strain. 

Overview of the Indus Waters Treaty

The IWT allocates the waters of the Indus River system between India and Pakistan: 

Western Rivers: Indus, Jhelum, and Chenab are allocated to Pakistan. 

Eastern Rivers: Ravi, Beas, and Sutlej are allocated to India. 

While India has rights over the eastern rivers, it is permitted limited use of the western rivers for non-consumptive purposes like hydroelectric power generation, navigation, and agriculture, without altering the flow to Pakistan.  

Significance of the Treaty

1. Conflict Mitigation: Despite multiple wars and ongoing tensions, the IWT has endured, serving as a rare example of sustained cooperation. 

2. Economic Stability: For Pakistan, the western rivers are vital, supporting agriculture and livelihoods for millions. 

3. International Diplomacy: The treaty has been lauded globally as a successful model of transboundary water resource management. 

Challenges to the Treaty

1. Climate Change: Glacial melt and erratic rainfall patterns threaten the consistency of river flows. 

2. Infrastructure Projects: India's construction of dams and hydroelectric projects, such as Kishanganga and Ratle, have raised concerns in Pakistan about potential violations of the treaty. 

3. Political Tensions: Incidents like the 2016 Uri attack and the 2019 Pulwama attack have led to calls within India to reconsider the treaty's provisions. 

Recent Developments: India's Suspension of the IWT

In April 2025, following a deadly attack in Pahalgam, Kashmir, which India attributed to Pakistan-based militants, India announced the suspension of the IWT, stating it would remain in abeyance until Pakistan ceases support for cross-border terrorism.  

Subsequently, India initiated measures that impacted water flows to Pakistan: 

Unannounced release of water from the Uri Dam into the Jhelum River, leading to flooding in parts of Pakistan-administered Kashmir. 

Closure of the Baglihar Dam on the Chenab River, causing significant drops in water levels downstream.  

Implications of the Suspension

For Pakistan

Agricultural Impact: Reduced water flow threatens Pakistan's agriculture, which heavily relies on the Indus basin. 

Economic Strain: The suspension exacerbates Pakistan's economic challenges, potentially affecting food security and livelihoods.  

Diplomatic Relations: Pakistan views the suspension as a breach of international law, straining bilateral relations further. 

For India

International Perception: Unilateral suspension may affect India's image as a reliable partner in international agreements.  

Infrastructure Limitations: India currently lacks the capacity to fully utilize or divert the waters of the western rivers, limiting the immediate impact of the suspension.  

Conclusion

The suspension of the Indus Waters Treaty marks a significant escalation in India-Pakistan tensions, with far-reaching implications for regional stability, economic well-being, and international diplomacy.  As both nations navigate this complex situation, the need for dialogue and adherence to international agreements becomes ever more critical. 

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