Unique Identification Authority of India gives you option to Reschedule or Cancel your online appointment for AADHAAR Enrolment. You can avail this facility online on website of UIDAI.
If you have booked for online appointment and you are not able to make that on time, you have option to change time of your appointment. You can also cancel the appointment if you have changed your mind about Aadhaar Card or you want to make appointment at another center.
Enrolment Reschedule/Cancel Click Here
After opening this website, you will see form to enter your Token number and Mobile number. Token number is same as you got on your slip when you booked online for appointment.
Now you have 2 options. Reschedule or Cancel.