Sidin Vadukut and Pavan Srinath discuss the Indian Constitution and the idea of a Republic, as the constitution turns 66 years old. GCPPPrimetime is a weekly online show on public affairs and policy hosted by the Takshashila Institution. Sidin Vadukut is the author of The Sceptical Patriot and Dork, apart from being a columnist and editor with Mint. Pavan Srinath is a fellow and faculty member at the Takshashila Institution.