Witness

In 2009, the Indian government embarked on an ambitious task to register all of the country's billion-plus citizens with a unique digital ID. Aadhaar - which means foundation in many Indian languages - became the world's largest ever biometrics project.It allowed millions of people to open bank accounts or access a mobile connection for the very first time. But the project also attracted considerable opposition from privacy advocates and civil rights groups, who brought a case that went all the way to India's Supreme Court. Dan Hardoon speaks to Nandan Nilekani, who chaired the Aadhaar project.Eye-witness accounts brought to life by archive. Witness History is for those fascinated by the past. We take you to the events that have shaped our world through the eyes of the people who were there. For nine minutes every day, we take you back in time and all over the world, to examine wars, coups, scientific discoveries, cultural moments and much more. Recent episodes explore everything from football in Brazil, the