The River Indus makes its way through the city of Sukkur in Pakistan’s Sindh province, August 15, 2021. The growing tension between India and Pakistan over the Indus river system has shifted from a matter of resource management to a critical security concern that threatens to lower the threshold for nuclear conflict. While World Bank Vice President Ismail Serageldin famously warned at the 1995 Stockholm Water Symposium that the next century's wars would be fought over water, few anticipated that such a conflict would emerge so quickly between two nuclear-armed neighbors.
In Islamabad, the discourse surrounding the Indus Waters Treaty (IWT) has intensified significantly. Last year, Pakistan’s National Security Committee issued a blunt warning, stating that any attempt by India to divert or stop water flow would be viewed as an act of war, warranting a response using the full spectrum of national power—a phrase widely interpreted as an implicit reference to nuclear capabilities. This sentiment was echoed during a June 30 seminar in Islamabad, where Lieutenant General Aamer Riaz (Retd) characterized India's approach as a form of coercive strategy designed to institutionalize hydro-hegemony.
New Delhi maintains that its suspension of the treaty is a calibrated pressure tactic, not an act of river warfare. India’s stance, reiterated by its foreign ministry following the April 2025 terror attack on tourists in Indian-administered Kashmir, is that the treaty remains in abeyance until Pakistan ends its support for cross-border militancy. However, the disconnect between India's intent and Pakistan's perception has created a volatile fault line. While New Delhi views its actions as limited, Islamabad perceives them as an existential threat intended to compress its strategic space, thereby forcing a recalibration of its deterrence posture. You have reached the limit of 2 free articles this month.
The threat perception in Pakistan is compounded by the belief that India is methodically developing the capacity to induce drought or flash flooding at will. This fear is exacerbated by emerging dynamics on Pakistan’s western frontier, where Afghanistan is expanding use of the Kabul River through projects like the India-backed Shahtoot dam. With the Taliban government fostering closer ties to New Delhi, Pakistani officials worry about being squeezed from both sides.
Furthermore, the conflict has the potential to expand into a regional strategic contest. China, which holds upstream leverage over India via the Brahmaputra and Sutlej rivers, is unlikely to remain neutral if Pakistan’s water security is severely compromised. Victor Gao, vice president of the Center for China and Globalization, recently cautioned against India’s upstream maneuvers, invoking the principle of reciprocity. The situation suggests a risk of cascading hydro-coercion across South Asia, where dams and infrastructure replace traditional armaments as tools of statecraft.
To de-escalate, experts suggest that New Delhi must honor its binding obligations under the IWT to avoid miscalculation, while Islamabad should remain open to broad dialogues on contentious issues. Ultimately, addressing this crisis may require a comprehensive water-sharing framework that establishes verifiable parameters for upstream development across the Indus, Kabul, and Brahmaputra basins to prevent the region's water resources from becoming a catalyst for nuclear confrontation.
