By Irtija Ahmad
On August 31, the Permanent Court of Arbitration at the Hague ruled, unanimously, that India had no legal basis to suspend the Indus Water Treaty (IWT). Within hours, India’s foreign ministry stated that the ruling meant nothing. “This so-called Court of Arbitration has no jurisdiction whatsoever to pronounce on India’s sovereign decisions.” The ministry said, adding that the treaty would remain in abeyance regardless of what the tribunal found.
Both statements are worth sitting with, because they describe two different worlds. In one, a 65-year-old water sharing treaty between two nuclear-armed states has just been tested by an international tribunal and to still be binding. In the other, that finding is simply noise, since the state it binds has already decided the tribunal has no standing to bid it. Only one of those worlds must be true fir the treaty to fall.
What the court actually found
The case, Indus Water Western Rivers Arbitration (pakistan v. India) turned on a narrow but consequential question: did India have the legal right to place the 1960 treaty “in abeyance”, as it announced in April 2025 after the Pahalgam attack in Kashmir, which it attributed to Pakistan-backed militants.
The court said no, and it said so on every ground India offered. The treaty itself contains no clause permitting unilateral suspension. Pakistan’s alleged conduct, even if considered true, would be a security dispute, not a breach of a treaty that governs only water allocation, so it could not trigger termination for material breach. Changed circumstances, meaning population growth, climate change and India’s clean energy needs, were either foreseeable when the treaty was signed or insufficient to void it. Additionally, there was no international armed conflict between the two states, the oe condition under customary law that might have justified suspension outright. The tribunal invoked the oldest rule in treaty law, pacta sun servanda: agreements bind and India remains bound.
The court did not stop at declaring the treaty alive. It ordered specific interim relief on the Ratle Hydro-Electric on the Chenab River, barring India from concreting the dam wall or the power intake structure above sea levels, and requiring it to report any change to the construction schedule, until 90 days after a separate Neutral Expert process concluded, expected in July 2027. This is not a symbolic gesture. It is a functioning international court, telling a government where it may and may not pour concrete on its own soil.
This is not India’s first refusal
It is worth being precise about what is actually new here, because India’s rejection did not begin on August 32. When pakistan and India each triggered the treaty’s dispute mechanism in 2016 over the Kishenganga and Ratle projects, they asked for two different things. Pakistan wanted a Court of Arbitration and India wanted a Neutral Expert. The World Bank which administers the treaty, paused both requests for 5 years while the parties tried to settle. When it lifted the pause in 2022, India objected to the Court of Arbitration’s legitimacy outright, refused to name its own arbitrator, and has never participated in the proceeding that has now ruled against it. The tribunal was constituted in January 2023 in India’s absence and confirmed its ow jurisdiction that same year.
So, the abeyance declared in April 2025 was not a new posture. It was the culmination of one: a decade of India recognizing exactly one of the treaty’s two dispute tracks, the one it chose, while treating the other as illegitimate. The August 31 ruling did not create India’s non-compliance. It just made the pattern harder to describe as anything else.
Why the ruling matters more than the decision
Pakistan’s information ministry called the outcome a finding that India “remains bound by and must observe it obligations” under the treaty, and Foreign Minister Ishaq Dar proposed a three-step return to normalcy: restoring the treaty framework, using its existing mechanisms to resolve disputed, and resuming technical engagement between two water commissions. That is a modest, procedural ask. It is also the correct one, because it is what a rule-based order requires of the party that won: not triumph, but insistence that the ruling be implemented rather than filed away.
The harder question is what happens when it isn’t. A unanimous ruling from a properly constituted tribunal, one whose competence was settled years before this case, carries real legal weight. It carries none if a state can announce it does not recognize the forum and walk away with no further consequence. That is not a Pakistan-India problem. It is a problem for every transboundary water treaty on earth, most of which rest on the same assumption this one does: that a state under domestic security pressure will still honor a technical, apolitical allocation of a shared river, because the alternative is an arbitration mechanism that actually binds. If that assumption breaks here, it does not stay contained here.
What comes next
Three things are worth watching, and none of them depend on rhetoric.
The first is Ratle itself. The interim order is concrete and verifiable: does construction on the dam wall and intake structure stop at the specified levels, and does India report schedule changes as ordered. Compliance or non-compliance will be visible in satellite imagery well before anyone issues a statement.
The second if the World Bank’s posture. As the treaty’s administering party, it has more institutional standing than any single government to make clear that a state cannot select which of the treaty’s own dispute mechanisms it will recognize while ignoring the outcome of the other. Silence from Washington and the Bank on this point is itself a signal, and other states currently mediating their own basins are e watching for it.
The third is whether other states raise the cost of non-compliance at all, through the diplomatic channels available to them, rather than treating this as a bilateral irritant that will resolve itself. It has not resolved itself in the nine years since pakistan first asked for arbitration.
None of this requires pakistan to overstate it has won. The ruling settles a legal question. It does not refill a reservoir or restore a construction schedule that has already advanced, but it does something bilateral protest cannot by putting an independent, binding finding on the record that the abeyance has no basis in th treaty India signed, Pakistan’s task now is not to celebrate that finding. It is to make sure the finding costs India something to keep ignoring.