Unique Identification (UID) in Informal Sector: This book is meant for students and research scholars studying Informal sector. It focuses on level of awareness, benefits and challenges and business, social and economic impact of UID in informal sector. This research explored UID approaches in informal sector in rapidly changing and highly competitive environment and what is the effect of these systems as perceived by the public. It covers the major role of street vendors in this sector. The outcome of the research suggests a policy framework to local government.