<\/p>\nThe concept in simple terms
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The Indus Waters Treaty (IWT) is a water-sharing agreement between India and Pakistan, signed on September 19, 1960, in Karachi by Indian Prime Minister Jawaharlal Nehru and Pakistani President Field Marshal Ayub Khan. The World Bank facilitated the negotiations and is a signatory to certain provisions relating to dispute settlement.Instead of dividing the quantity of water flowing through the Indus basin every year, the treaty divides the six rivers of the Indus river system between the two countries.Under the treaty: India has exclusive rights over the three eastern rivers:<\/span>\u2022 Ravi\u2022 Beas\u2022 SutlejPakistan receives the waters of the three western rivers:\u2022 Indus\u2022 Jhelum\u2022 ChenabAlthough the western rivers are allocated primarily to Pakistan, India retains specified rights to use them for domestic purposes, navigation, limited irrigation, run-of-the-river hydroelectric projects and certain storage, subject to detailed technical conditions laid down in the treaty.The agreement allocated nearly 80% of the waters of the Indus system to Pakistan and the remaining share to India, making it one of the most generous river-sharing arrangements negotiated after Independence.More than 300 million people across both countries depend directly or indirectly on the Indus basin for drinking water, irrigation, agriculture and power generation.<\/p>\nHow it functions
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Unlike many river-sharing agreements that allocate water according to seasonal flows or percentages, the Indus Waters Treaty allocates entire rivers.Water allocation<\/span>India enjoys unrestricted use of:\u2022 Ravi\u2022 Beas\u2022 SutlejPakistan receives the waters of:\u2022 Indus\u2022 Jhelum\u2022 ChenabIndia may still undertake certain activities on the western rivers, including:\u2022 Run-of-the-river hydroelectric projects\u2022 Domestic consumption\u2022 Navigation\u2022 Limited irrigation\u2022 Storage within treaty-prescribed limitsThese projects must comply with detailed engineering specifications designed to ensure they do not significantly affect downstream flows into Pakistan.Permanent Indus Commission<\/span>The treaty established the Permanent Indus Commission (PIC), consisting of one commissioner from each country.Its functions include:\u2022 Exchange of river flow and hydrological data\u2022 Inspection of projects\u2022 Annual meetings\u2022 Resolution of technical questions\u2022 Facilitating cooperation on implementationDispute resolution<\/span>The treaty follows a graded dispute-resolution mechanism:1. Questions are first examined by the Permanent Indus Commission.2. If unresolved, technical differences may be referred to a Neutral Expert.3. Legal disputes involving interpretation of the treaty may be referred to a Court of Arbitration.The World Bank has a limited procedural role in facilitating these mechanisms where required under the treaty. It neither manages the rivers nor determines water allocations.<\/p>\nWhy does India want to renegotiate the treaty?
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India’s demand is not based on a single issue but on several developments that have emerged over the last six decades.1. Changed circumstances since 1960<\/span>India argues that the treaty was negotiated under conditions that no longer exist.Since then:\u2022 India’s population has more than tripled.\u2022 Water demand for agriculture, drinking water and industry has increased sharply.\u2022 Climate change has altered rainfall patterns, glacier melt and river flows.\u2022 Advances in engineering have transformed hydropower technology.India maintains that the treaty should evolve to reflect these new realities.2. Repeated objections to Indian hydropower projects<\/span>India has maintained that Pakistan has repeatedly objected to Indian run-of-the-river hydropower projects permitted under the treaty, including projects such as Kishanganga and Ratle.According to India, prolonged litigation and objections have delayed infrastructure projects that comply with treaty provisions and are important for Jammu & Kashmir’s energy security.3. Concerns over the dispute-resolution mechanism<\/span>India has also raised concerns regarding the interpretation of the treaty’s dispute-resolution process.New Delhi argues that the treaty envisages a graded mechanism, where issues move sequentially from the Permanent Indus Commission to a Neutral Expert and then, where applicable, to a Court of Arbitration.India has objected to the simultaneous invocation of both the Neutral Expert and Court of Arbitration processes in recent disputes, arguing that parallel proceedings create legal uncertainty and are inconsistent with the treaty’s intended framework.4. Cross-border terrorism<\/span>India’s position has increasingly linked the future of bilateral cooperation, including the treaty, to Pakistan’s action against cross-border terrorism.Following major terrorist attacks\u2014including Uri (2016), Pulwama (2019) and the Pahalgam terror attack of April 2025\u2014India has argued that “terror and talks cannot go together.”After the Pahalgam attack, India announced that the treaty would be held in abeyance until Pakistan credibly and irrevocably ends its support for cross-border terrorism. Pakistan disputes India’s ability to suspend the treaty unilaterally, making the issue part of an ongoing diplomatic disagreement.5. Better utilisation of India’s treaty rights<\/span>India has also stated that it seeks greater operational flexibility to fully utilise the water allocated to it under the treaty for irrigation, drinking water and hydropower generation in Jammu & Kashmir, Ladakh, Himachal Pradesh and Punjab.6. Climate resilience and modern water governanceExperts note that the treaty was negotiated decades before climate change became a central concern in international water governance.Modern agreements increasingly incorporate provisions relating to:\u2022 Climate adaptation\u2022 Environmental sustainability\u2022 Basin-wide planning\u2022 Flood management\u2022 Data sharing\u2022 Ecosystem protectionIndia argues that these aspects deserve greater attention in any future revision.<\/p>\nImportant institutions, agreements and legal framework<\/h3>\n<\/p>\n
\u2022 Indus Waters Treaty (1960): <\/span>The principal agreement governing the sharing of the Indus river system between India and Pakistan.\u2022 World Bank: <\/span>Facilitated negotiations leading to the treaty and performs specified procedural functions in parts of the dispute-resolution process.\u2022 Permanent Indus Commission (PIC): <\/span>The bilateral institution responsible for implementing and monitoring the treaty.\u2022 Neutral Expert: <\/span>An independent technical authority appointed to resolve engineering-related differences.\u2022 Court of Arbitration: <\/span>A tribunal constituted under the treaty to decide disputes involving legal interpretation.<\/p>\nInternational Freshwater Treaties Database
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Developed by Oregon State University’s Transboundary Freshwater Dispute Database, this global repository documents hundreds of international freshwater agreements. Scholars frequently cite it while comparing river basin treaties worldwide, including the Indus Waters Treaty.Relevance for India<\/span>Water security: <\/span>The Indus basin supports agriculture, drinking water and hydropower across northern India and remains strategically important for long-term water security.Hydropower development: <\/span>Projects on the western rivers can help improve electricity generation in Jammu & Kashmir while remaining within treaty provisions.Climate change: <\/span>Rapid glacier retreat in the Himalayas, changing monsoon behaviour and increasing frequency of extreme weather events have strengthened calls for more adaptive water governance.Strategic significance: <\/span>The treaty occupies an important place in India-Pakistan diplomacy and is frequently discussed alongside issues relating to security, regional stability and transboundary resource management.<\/p>\nGlobal significance
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The treaty is often studied alongside other international river agreements. For example, the 1995 Mekong Agreement, which established the Mekong River Commission among Cambodia, Laos, Thailand and Vietnam, reflects a more contemporary approach by incorporating provisions on sustainable development, environmental management, basin planning and cooperative water governance. Comparisons with such modern agreements often feature in discussions on whether older treaties like the IWT require updating.Prelims Fact Box<\/span><\/p>\n\n
\n\n\n<\/colgroup>\n\n\nFact
<\/strong><\/td>\nDetail<\/strong><\/td>\n<\/tr>\n\n| Treaty signed<\/td>\n | September 19, 1960<\/td>\n<\/tr>\n | \n| Signed at<\/td>\n | Karachi<\/td>\n<\/tr>\n | \n| Parties<\/td>\n | India and Pakistan<\/td>\n<\/tr>\n | \n| Facilitator<\/td>\n | World Bank<\/td>\n<\/tr>\n | \n| Eastern rivers<\/td>\n | Ravi, Beas, Sutlej<\/td>\n<\/tr>\n | \n| Western rivers<\/td>\n | Indus, Jhelum, Chenab<\/td>\n<\/tr>\n | \n| Water allocation<\/td>\n | Eastern rivers to India; Western rivers primarily to Pakistan<\/td>\n<\/tr>\n | \n| Monitoring body<\/td>\n | Permanent Indus Commission<\/td>\n<\/tr>\n | \n| Dispute resolution<\/td>\n | PIC \u2192 Neutral Expert \u2192 Court of Arbitration<\/td>\n<\/tr>\n | \n| Comparable modern agreement<\/td>\n | Mekong Agreement (1995)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n UPSC Mains practice question<\/span>The Indus Waters Treaty has been described as one of the world’s most durable transboundary water-sharing agreements. In the light of India’s demand for renegotiation, critically examine the treaty’s key provisions, the reasons behind India’s position, and the challenges of managing shared river basins in an era of climate change and geopolitical tensions.Five key terms to remember<\/span>\u2022 Indus Waters Treaty (IWT): <\/span>The 1960 agreement governing the sharing of the Indus river system between India and Pakistan.\u2022 Permanent Indus Commission (PIC): <\/span>The bilateral body responsible for implementing and monitoring the treaty.\u2022 Run-of-the-river Project: <\/span>A hydropower project that generates electricity using the natural flow of a river without creating large storage reservoirs.\u2022 Neutral Expert: <\/span>An independent technical authority appointed to resolve engineering-related differences under the treaty.\u2022 Court of Arbitration: <\/span>The treaty’s highest dispute-resolution mechanism for legal disagreements.<\/p>\nFAQs
<\/h3>\n<\/p>\nQ1. Why is the Indus Waters Treaty considered unique?<\/span>It has remained operational since 1960 despite multiple wars and prolonged political tensions between India and Pakistan, making it one of the world’s longest-surviving international river treaties.Q2. Does the treaty prevent India from using the western rivers?<\/span>No. India is permitted to use the western rivers for domestic consumption, navigation, limited irrigation and run-of-the-river hydropower projects within the technical limits prescribed by the treaty.Q3. Why does India want to renegotiate the treaty?<\/span>India argues that the treaty needs updating because of climate change, increased water demand, advances in hydropower technology, repeated disputes over Indian projects, concerns about the dispute-resolution process and the changed security environment, including persistent cross-border terrorism.Q4. What role does the World Bank play?<\/span>The World Bank facilitated the original negotiations and has limited procedural responsibilities in the treaty’s dispute-resolution process. It does not control river waters or determine water allocations.Q5. Why is the treaty important for UPSC and competitive examinations?<\/span>The treaty is relevant to international relations, India-Pakistan relations, geography, environmental governance, water resource management, international law and current affairs, making it a recurring topic in competitive examinations.<\/div>\n
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![\"Indus](\"https:\/\/static.toiimg.com\/thumb\/msid-132436364,imgsize-60092,width-400,height-225,resizemode-4\/indus-water-treaty.jpg\" "\\"Indus")
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