Unique Identification Authority of India (UIDAI) has enrolled one-fourth of the Uttar Pradesh population having generated more than five crore Aadhaar numbers against a population of 19.95 Crore of Uttar Pradesh (as per Census 2011). UIDAI crossed the Five Crore mark in Uttar Pradesh this week in its second phase, which was started for residents of Uttar Pradesh through various non-State registrars (Banks, NSDL, et al) and their enrollment agencies in March 2014.