"While bio metric data has been acquired for 5,00,87,395 persons (or 69 per cent) in Tamil Nadu, 4,71,75,490 (65 per cent) of them have been issued an Aadhar number as of now," Principal Secretary (Food) M P Nirmala said in a statement.
Since the process of acquiring bio metric data and issuing Aadhar numbers are in progress, family cards would be pasted with an extra sheet for extension for 2015 from December this year, she said.
During the previous UPA regime, the Home Ministry had raised concerns over the sanctity of the Unique Identification Authority of India (UIDAI)'s database, saying uniqueness of identity was not a necessary condition for ensuring authenticity of identity or genuineness of other entries or records of Aadhaar numbers.