This is an account of public grievances and problems taken up in 25 years for redressal through the Supreme Court, Delhi High Court, National Consumers Commission and by pursuing with concerned governmental authorities. Common Cause is an NGO which has been pursuing the objective of seeking redressal of common and collective problems and grievances of the people by seeking directions through the instrument of filing public interest litigations. The purpose of the book is to disseminate information so that individuals and organisations may see what has been attempted and achieved by Common Cause through its intensive efforts.