Right to information is inherent in Fundamental Right. Supreme Court in many cases interpret Right to Information and reasonable restriction on such right. Today most of democratic country prefer ‘Open Government’ i.e. Transparent. So they implement Open Data available not only to it’s citizen but to any person. RTI implemented in India to reduce corruption, but when a application filed with Government Authority then he always been under dilemma that whether such information is under exception or not, Supreme Court in it’s landmark cases explain how independent decision making is important for transparency. This paper is humble attempt to find nature of right to information.