Water Sharing Treaties are formal, bilateral agreements between India and its neighboring countries, primarily concerning the allocation and management of water resources from transboundary rivers. These are international treaties that function as a legal and institutional framework for cooperation over shared natural resources.
The most prominent example is the Indus Waters Treaty (IWT), signed on September 19, 1960, between India and Pakistan, and brokered by the World Bank. The problem it solved was the post-Partition dispute over the waters of the Indus River system, which had its headworks in India and canals in Pakistan. The IWT essentially partitioned the rivers: the three Eastern Rivers (Ravi, Beas, and Sutlej) were allocated for India's unrestricted use, while the three Western Rivers (Indus, Jhelum, and Chenab) were allocated to Pakistan, with India permitted limited, non-consumptive uses like hydroelectric power generation on the Western Rivers. The mechanism includes the Permanent Indus Commission for cooperation and a three-tiered dispute resolution process involving a Neutral Expert and a Court of Arbitration.
Another key agreement is the Ganga Water Sharing Treaty, 1996, between India and Bangladesh, which addresses the sharing of the Ganga's waters at Farakka during the dry season. This treaty, which is set to expire in December 2026, replaced earlier temporary arrangements. It works through a formula-based schedule for water distribution over 10-day periods from January 1 to May 31 every year, and established a Joint Committee for monitoring.
The IWT has faced recent challenges: India placed the treaty in "abeyance" in April 2025 following a terror attack, seeking its review. However, the Court of Arbitration at The Hague ruled on August 31, 2026, that the IWT "remains fully in force" and India cannot unilaterally suspend it, a ruling India has rejected. The core provisions of river allocation in the IWT remain the same, but the dispute resolution mechanism is currently under strain. The Ganga Treaty's impending expiration in 2026 also makes its renewal a major contemporary issue in bilateral diplomacy.