In this episode we chat to Ranjit Singh, a postdoctoral scholar for the AI On The Ground team at the New York-based Data & Society Research Institute. We discuss India’s Biometric Identification System, the problems with verifying a population of a billion people, and the difficulties in having to check whether beneficiaries of state pensions are still alive. We also talk about the problems with classification systems, and how we can better understand the risks posed by biometrics through looking at the world from the perspective of a biometric system, in high and low resolution.