Step1: Visit the UIDAI Portal: Go to https://www.uidai.gov.in/ and access the Self-Service Update Portal (SSUP). Step 2: Insert the registered phone number that you wish to update . Step 3: Verify Using OTP: Hit 'Send OTP,' insert the received OTP, and proceed ahead. अगर आप Aadhaar Card में Mobile Number Update या Link करना चाहते हैं तो अब यह process काफी आसान हो गया है। नीचे बताए गए आसान Steps को Follow करके आप यह काम कुछ ही समय में कर सकते हैं: Mobile number updates in Aadhaar cannot be done online, so you must visit an Aadhaar Seva Kendra. You can book an appointment online through the UIDAI website and complete biometric verification at the centre. A fee of ₹50 is charged for updating or changing your mobile number .