UIDAI Chairman, Nandan Nilekani, Mc Kinsey, India Chairman Adil Zainulbhai in conversation with Editor in Chief, The Indian Express, Shekhar Gupta at Express Adda, Mumbai. (IE Photo: Vasant Prabhu)

UIDAI Chairman, Nandan Nilekani at Express Adda, Mumbai. (IE Photo: Vasant Prabhu)

Editor in Chief, The Indian Express, Shekhar Gupta with UIDAI Chairman, Nandan Nilekani. (IE Photo: Vasant Prabhu)

UIDAI Chairman, Nandan Nilekani, Mc Kinsey, India Chairman Adil Zainulbhai in conversation with Editor in Chief, The Indian Express, Shekhar Gupta at Express Adda, Mumbai. (IE Photo: Vasant Prabhu)