Ahead of crucial hearings in the Supreme Court on the Aadhaar project, the government has brought out a set of new regulations to take care of the data security and privacy concerns around the project as well as address the political concerns that people could be denied benefits for the want of an Aadhaar.

The Unique Identification Authority of India (UIDAI), as per a set of five new regulations accessed by ET, will set up an online system for an Aadhaar number holder to "lock" his biometrics for a specific duration or permanently, and unlock it temporarily when needed for biometric authentication to get a service.