How to verify Aadhaar card online?

Aadhaar number is an unique identity proof that contains our demographic and 12-digit biometric details. One such facility enables users to check and verify an Aadhaar number online. In a Twitter post, the UIDAI shared information on how to verify an Aadhaar number online and why it is useful to verify. Before using your Aadhaar card, you need to ensure that your Aadhaar number is active and the details available on your Aadhaar card match those available in the UIDAI's database. 6) Details like the age band, gender, state, and last three/ four digits of the registered mobile number associated with that Aadhaar will be visible on screen.