Barely has the dust settled on the massive unique identification project, otherwise known as Aadhaar, than Union Home Minister Amit Shah raised another source of anxiety of Indians with his proposal to introduce a “one nation, one card” plan. This new card, he said at an event of the Registrar General of India (which conducts the 10-year census), would “link all utilities like Aadhaar, passport, bank account, driving licence, voter card”. The data for this exercise would be part of the National Population Register (NPR) exercise, to be collected alongside the 2021 census, which collects all data on “usual residents”