As per the new guidelines of the UIDAI (Unique Identification Authority of India), it is now necessary to update the Aadhaar cards that were issued 10 years ago. This is an effort to ensure that the information on Aadhaar cards is accurate and up-to-date. How to update Aadhar details online? Here's a step-by-step guide you can follow Step 1: Go to uidai.gov.in Step 2: Under the 'My Aadhaar' tab, select 'Update Demographics Data and Check status'. Step 3: You will be redirected to another website