Centre of Excellence on Water launched as part of the 3rd CITIS and 10th IWIS, New Delhi, December 2025 India’s climate and sustainability trajectory is defined by a group of interconnected grand challenges—water security, energy transition, waste and circularity, agricultural resilience, transport and mobility reform, and the cross-sectoral risks stemming from climate change and natural hazards. These challenges are complex, systemic, and capital-intensive; they are not amen