The present work concentrates on hazardous industries. The base of the study is the M.C. Mehta case decided by the Supreme Court of India in 1987. This case represents a turning point in the history of environmental justice in India. The present work assumes a special significance in the developmental process in India. It is an eye opener for the industrialists, the Government and all those who love the beauty of environment. The present work opens a new vision to the researchers in the field of law. It will be of great use to students of environmental law, practitioners, judges, the managers of industries and all those who are interested in the preservation of the environment.