Keep the Aadhaar Number near by for reference. Also ensure that current mobile number is updated with UIDAI and linked to Aadhaar number.
Step 1: Go to URL www.uidai.gov.in, which is the official portal provided by Government of India for Aadhaar.
Step 2: Enter 'Aadhaar Number' or 'VID' and mentioned 'Security Code' in screen, then click on 'Send OTP'
Step 3: Enter the OTP received by registered Mobile Number for the given Aadhaar Number
Step 4: Create Password for Aadhaar XML. Enter a Share Code which will become the password for the ZIP file.
Step 5: Aadhaar XML is securely packed into a ZIP file with password protection. Download the ZIP file and store in your computer at a safe location. This Aadhaar XML will be used to establish identity when applying Digital Signature.