You can visit any of the permanent enrolment center for updation.
Click here to find the nearest enrolment centre How much is the fee: Updating Aadhaar online and by post can be done free of cost.
You need to carry original documents for updation at enrolment centre.
Original documents will be scanned and handed back to you after updation.
• Scan and upload supporting self-attested Proof of Identity document (soft copy) for Aadhaar card name change / correction / surname change online.
However, as per UIDAI website, providing email ID is optional.Some Lumia owners found their handsets would brick during the update.Many more found the latest release to be almost unusable, even if installed successfully.If you haven't used your Aadhaar in any transaction, like linking it to bank account or PAN, for three years continuously , it can become inactive, as per the UIDAI helpline and officials at an Aadhaar enrolment centre.If your Aadhaar becomes inactive you would have to update it.