Why do Technology Business Incubators (TBIs) emerge rapidly as an instrument of start-up promotion in emerging economies like India? In what forms? What role do they play in start-up promotion? What are their major achievements? These questions have been answered empirically in this book. Accordingly, this book explores the nature, structure and process of incubation resulting in start-up generation and in the process, R&D; contribution emerging from TBIs comprising accelerators, incubators and co-working spaces in three of the leading start-up hubs, namely, Bangalore, Chennai and Hyderabad, in India. It describes typology, objectives, sponsors, and facilities provided by these TBIs. It further explores the process of selection,