  Aadhaar is the world's largest biometric database with a billion records,
being compiled as an identity platform to deliver social services to residents
of India.Aadhaar processes streams of biometric data as residents are enrolled
and updated.Besides 1 million enrolments and updates per day,up to 100 million
daily biometric authentications are expected during delivery of various public
services.These form critical Big Data applications,with large volumes and high
velocity of data.
