An aadhaar is a unique 12-digit number that contains information about an individual such as name, date of birth, biometrics, phone number, address, etc. If anyone wants to change their aadhar information, they can update the aadhar tab with the changed information. The process of upgrading the aadhar map is quite simple, a person can follow the steps mentioned below to upgrade the aadhar map. Aadhaar online update is completely free, there will be no charge for updating the information online. The aadhar online upgrade card can be done easily with no cost and no bugs. Offline aadhaar upgrade is not free, there is a minimum fee that will be charged at the registration center, the fee will only be INR 100.