When you apply for any updation or change in your Aadhaar details either online or offline, you are given a URN which is a number through which you can track the update status of your request online through Aadhaar Self Service Update Portal
Following is the step by step process to check Aadhaar Update Status Online :
You can change your address online but for any other changes like change in name, date of birth, mobile number, email id, gender, etc., you need to visit the Aadhaar enrolment entre personally.