The book is a scholarly work on the maturing of Economies --- Closed, Open, Linear and now CIRCULAR. The author elaborates on how the new concept of Circular Economy could be a resource multiplier for countries especially for India where recycling rates are one-third to that of the global average. The book advances from the linear to Circular approach divulging how scarce resources could be put to optimum utilization, to restore our planets harmony. Author has picked up several sectors, outlining how each could become sustainable through a loop-based approach. Several case-studies, infographics and diagrams make it easier for the reader to delve into the subject. An astute research work, the book is recommended for Circular Economy practitioners, Sustainability heads, industry experts,government bodies, policymakers, academia, research, people from associated sectors, students, bilateral and multilateral organization that are working in sustainability.