Want To Update Or Link Your Mobile Number To Your Aadhaar Card? Follow These Steps Only If Your Phone Number Is Currently Active To Receive OTP: Visit: uidai.gov.in Go To The 'My Aadhaar' Option Click On The 'Book an Appointment' From 'Get Aadhaar' Option Select The Nearest City/ Location To Choose 'Aadhaar Seva Kendra' Then Choose 'Aadhaar Update' On The Next Tab, And Enter Your Phone Number Linked To Aadhaar With A Captcha To Generate An OTP Once Verified Your Phone Number, The 'Appointment Details' Portal Will Be Open. Fill In Details And Click On 'Next' Now On The 'Personal Details' Page Fill In Other Details And Mobile Number Which Need To Be Updated After Doing Next, Book A Time And Slot To Choose 'Aadhaar Seva Kendra' Once Done, Pay The Required Amount, And Download This 'Payment Slip' Form Now Visit Your Booked 'Aadhaar Seva Kendra', Show The 'Payment Slip', And Do All Formalities For Verification After Verification, The New Mobile Number Of Your Aadhaar Will Be Updated Within 30 Days Follow These Steps If Your Phone Number Is Not Currently Active To Receive OTP: Go To A Nearby 'Aadhaar Seva Kendra' Fill In The Correction Form (your mobile number) Submit The Form To The Aadhaar Executive, Verify Your Details, And Pay Rs. 50 For The Service Finally, Your Mobile Number Will Be Updated In The Aadhaar Database Within 30 Days