is a public interest lawyer in the Supreme Court of India. He was a member of the faction of the India Against Corruption (IAC) movement known as Team Anna which supported Anna Hazare's campaign for the implementation of the Jan Lokpal Bill. After a split in IAC, he helped Team Anna form the Aam Aadmi Party. In 2015, he made several allegations against the party's leadership, its functioning and its deviation from the core ideology, values and commitments. He is one of the founders of Swaraj Abhiyan and Sambhaavnaa, an Institute of Public Policy and Politics.