UIDAI offers two versions of the same e-Aadhaar: the regular one with your full 12-digit number, and a masked one that shows only the last 4 digits. They identify you equally well. The difference is how much of your number travels with every copy you hand out.
| Regular Aadhaar | Masked Aadhaar | |
|---|---|---|
| Number shown | All 12 digits | XXXX XXXX + last 4 digits |
| Photo, name, date of birth, address | Yes | Yes |
| QR code | Yes | Yes |
| Works as proof of identity and address | Yes | Yes |
| Works where the number itself is needed (linking, e-KYC) | Yes | No |
| Damage if a copy leaks | Full number exposed | Last 4 digits only |
Whenever someone just needs to see who you are: hotel and guest-house check-in, rental agreements and police verification forms filled by a landlord, office or society visitor records, gym and club memberships, travel bookings that ask for an ID copy. If they're going to look at the copy and file it, masked is the right one.
Whenever the number will actually be used rather than just looked at: linking Aadhaar to PAN, your bank account, mobile number or EPF; Aadhaar-based e-KYC for a new account; government scheme and subsidy applications; income tax filing. In these cases the process usually asks you to type the number or verify by OTP, not to hand over a photocopy โ which is safer anyway.
If your registered mobile number has changed, or you only have an old PDF, a scan or a photo of the card, you can mask it yourself. Make sure every place the number is printed is covered โ the e-Aadhaar letter prints it more than once.
Finds the number on the e-Aadhaar PDF and hides the first 8 digits โ or draw the masks on a photo. Nothing uploaded.
Mask Aadhaar โBoth versions carry a QR code that holds your details in a digitally signed form, so the copy can be verified with a scanner. That's useful for the person checking your ID, but it means a masked copy still carries your demographic details in machine-readable form. If you want the copy to reveal as little as possible and nobody needs to scan it, cover the QR code as well.