This book comprises the proceedings of the 2^nd international conference on Rural Technology Development and Delivery organized by Rural Technology Action group Indian Institute of Technology (IIT) Madras. The book highlights research on demand driven technologies and innovations, mostly on energy, environment, water resources, livelihood and smart technologies for the development of rural India. Spanning multi-disciplinary research aspects on rural technologies and development, this book would be useful for rural entrepreneurs, researchers, students and academic/R&D institutions for getting them involved in appropriate rural technology and development.