This document provides an overview of the Right to Information Act passed in India in 2005. It discusses how the Act ushered in a new era of participatory democracy by granting citizens the right to access information held by public authorities. Prior to the Act, most information was considered secret under colonial era laws. The document traces the constitutional basis for the right to information and key court cases that established it as a fundamental right. It also discusses the role of social movements like MKSS in demanding greater transparency that led various states to pass their own right to information laws, which informed the national act.