Abstract: Water is one of the most essential natural resources for human survival and sustainable development. In the present century, the world is facing severe water scarcity due to rapid urbanization, climate change, population growth, and mismanagement of resources. However, ancient civilizations, particularly in India, developed highly efficient and sustainable water management systems that ensured community participation and ecological balance. This paper explores traditional water conservation techniques such as stepwells, tank irrigation systems, Ahar-Pyne system, and baolis, and compares them with modern water management approaches including rainwater harvesting, dam construction, watershed management, and river linking projects. The study highlights the sustainability, cost-effectiveness, and community-oriented nature of ancient systems and examines how modern technologies can integrate traditional wisdom for better resource management. The paper concludes that a balanced combination of ancient knowledge and modern scientific innovation is essential for addressing contemporary water challenges and achieving long-term sustainability.
Kousik Chattopadhyay (Tue,) studied this question.