India has officially suspended the Indus Waters Treaty (IWT) following the deadly Pahalgam terror attack in April 2025 that killed 26 civilians. This marks a major turning point in South Asia’s water diplomacy and bilateral relations. The Indus Waters Treaty, hailed for surviving wars and conflicts since its signing in 1960, now faces uncertainty as India reassesses its terms under the lens of national interest, climate realities, and regional development needs.