In the recent years, microfinance has increased attentions of people around the world for fighting the problems of poverty and unemployment. Two different approaches have been identified for the evolution of the microfinance industry such as the Latin American model and the South-Asian model. The South-Asian model is largely based on Groups. In this direction, this book examines the functioning of group based microfinance intervention in India. It is specially addressed for academicians, businessmen, financial institutions and policymakers engaged in the area of microfinance world. This book covers a wide area from the starting concepts of microfinance to the advanced level knowledge needs for the researchers. The interpretation of results of survey is kept as simple as possible so that an ordinary student in the field of microfinance can make use of this book. A logical based discussion has been tried to make for better understanding of the subject matter.