Global water security and agricultural sustainability are seriously threatened by climate change, especially in areas that are already at risk from harsh weather patterns and depleting water supplies. The justification for implementing climate-resilient water management techniques is examined in this chapter. It is based on the knowledge of socio-ecological resilience through transformative, adaptive, and absorptive capacities. The chapter employs a multifaceted qualitative approach to evaluate strategies like integrated water resources management (IWRM), rainwater harvesting, micro-irrigation, and in situ crop residue management by combining insights from empirical research, case studies, and modeling tools. Additionally, it assesses cutting-edge agronomic techniques like cover crops, aerobic rice farming, and the application of microbial solutions to improve water use efficiency. The findings show that focused interventions, such as ecosystem-based strategies and technological advancements, can significantly increase water productivity, lessen reliance on groundwater, and sustain crop yields even in the face of climate stress. Effective planning and scenario-based adaptation in a variety of agroclimatic regions are further supported by modeling techniques such as SWAT and AquaCrop. However, the study also notes that data and research gaps, as well as institutional, financial, and sociopolitical barriers, are significant implementation constraints. In order to improve resilience, the chapter suggests localized adaptation strategies, participatory governance, investment in climate-smart infrastructure, and cross-sectoral policy integration. It concludes that in order to maintain food and water systems in the face of increasing climate uncertainty, proactive, context-specific measures supported by scientific innovation and community involvement are crucial.