One of the major issues facing the mining industry in the state is the treatment of acidic effluents during and after closure of a mine. Here, in this book, genesis of AMD formation, assessment of acidic drainage in Jaintia Hills, its impact on the environment, causes and management has been addressed. The focus of the book is on development of effective methodologies for management of Acid Mine Drainage from the coal mines and restoration of the environment. Investigation of technological and management approaches for preventing and reducing risks from pollution from the AMD has been made. The report includes the best practical, cost- effective approaches for site specific management of AMD at Jaintia Hills.This book provides a database and technical support for solving acid mine drainage problems and building a knowledge- base necessary to manage our ecological resources wisely and to prevent or reduce environmental risks in the future.