A bill to allow voluntary use of Aadhaar as an identity proof for opening bank accounts and procuring mobile phone connections was passed by the Parliament earlier this week...after Rajya Sabha passed it on Monday. During the discussion, IT Minister Ravi Shankar Prasad allayed the concerns of opposition members over data security.  Today in IN DEPTH, we analyse the amendments which the current Bill brings about in the Aadhaar Act of 2016... and the need for these changes in the Aadhaar Act of 2016.