The document discusses smart cities, defining them as urban areas that use technology and data to improve infrastructure and services for citizens. It provides an overview of key smart city components like smart transportation, buildings, infrastructure and governance solutions. The document also outlines India's Smart Cities Mission initiative and its goals of improving quality of life through efficient urban planning and management. Case studies and literature reviews on smart city projects are presented to illustrate best practices and research in the field. Civil engineers play an important role in designing sustainable and efficient infrastructure to enable smart city solutions.