It was supposed to be a twelve digit number and was to be linked with finger prints photograph and the eye iris shape of an individual. The new twelve digit unique identity number was planned to replace all the cards (Ration Card, Voters Identity card, Driving License, Income Tax Payers Number Card, and Passport etc.,)

Tera Software has an order of 80 million enrollments for AADHAR and is the only company in india to execute UIDAI Project in 4 Metro Cities (Delhi, Mumbai, Kolkata, and Chennai).
Tera Software is executing the AADHAAR Project across India in the following States,