This book seeks to assess the state-of-the-art of participatory rural appraisal (PRA) among the NGOs in Tamil Nadu, with particular focus on efficacy of participatory methods. It finds out the problems and challenges encountered by the NGOs in employing PRA methods in rural development work, and analyses the steps taken by them to overcome such problems and challenges. Also, it ascertains the innovations, if any, attempted by NGOs in the arena of participatory methods. The book will be of great use for development workers, researchers and policy makers.