This 32nd revised and enlarged edition explains the general principles of the subject of Town Planning in the branch of civil engineering and architecture. The subject matter is expressed in a simple language and practical manner. The treatment is clear, methodical as well as interesting and easy to follow. Plenty of new matter, topics reshuffled with inclusion of plenty of new matter, useful tables and figures. Three new chapters have been added. So many chapters are rearranged and re-grouped. The outline of the book is: Chapter 1 deals with Introduction to town planning which includes the topics such as objects, principles, necessity of town planning and many more. Chapter 2 ? ?Town planning in India (Ancient to Modern Times)? is newly added with detail description. The topic of ?Planning of the modern town? is carved nicely by adding many different aspects of town development. Chapter 3 ? ?Smart city? is newly added, which is a new concept. It discusses the topics on meaning of the terms; elements or components of smart city; planning and policy framework of smart city; smart city index; India?s vision for smart cities, Smart city projects of the world, etc. Chapter 4 ? ?Re-planning existing towns? is thoroughly revised and enlarged. In this chapter we have discussed in detail, how an existing town can be converted to a smart city by implementing modern technology for solving major issues like, transport, parking, pollution, waste management, traffic problems, etc. Chapter 5 ? ?Town planning and Survey