The Hon'ble Prime Minister Shri Narendra Modi's vision of 100 smart cities needs to be transformed through Indo-Global interventions. This book is an encyclopaedia of studies of various eras of civilization, indicating the innovations in materials, technology and the process of transformation of human settlement. The studies of ethnic, heritage, and sustainable Indian cities - Chandigarh, Jaipur, and global walkable and cyclable cities - London, Paris, and Barcelona, along with the modern smart cities of GIFT, Dholera, and Masdar have been critically analyzed. The author concludes through the detailed study of existing mega city of Delhi to arrive at various parameters helping in redefining Indian sustainable and smart cities of tomorrow.