The concept of ‘urban’ refers to settlements characterized by a high concentration of population, developed infrastructure, diversified economic activities, and complex social, economic, and political institutions. Urban areas are generally distinguished from rural areas by their size, density, occupational structure, availability of public services, and patterns of social interaction. Urban sociology studies these settlements to understand the processes of urbanization, social organization, migration, inequality, housing, governance, and cultural diversity. The concept of urban is dynamic because it changes with economic development, technological advancement, administrative policies, and demographic transformations. From a sociological perspective, urban areas are not merely defined by population size but by a distinct way of life. Louis Wirth, in his essay "Urbanism as a Way of Life," argued that urban life is characterized by large population size, high density, and social heterogeneity. These features influence social relationships by making them more formal, impersonal, and specialized. Urban communities also display greater occupational diversity, social mobility, cultural pluralism, and institutional complexity compared to rural communities. Urban settlements generally possess certain common characteristics. They have developed transportation and communication networks, educational and healthcare facilities, commercial establishments, industries, and administrative institutions. Employment opportunities are primarily found in manufacturing, trade, business, information technology, transport, and various service sectors rather than agriculture. Urban areas also experience rapid migration from rural regions, resulting in demographic diversity and increasing demand for housing and public services. In India, defining an urban area is important for planning, governance, resource allocation, census operations, and