Will you re-enroll yourself for new Aadhaar Card or you will go to Aadhaar Card Office to ask them duplicate copy of your Aadhaar Card, re-enrolling yourself for New Aadhaar Card will be a wrong step as you were already enrolled the new enrollment of Aadhaar Card will directly get rejected due to previous data present.
So in this situation you can get your duplicate copy of your Aadhaar Card through Online Official Aadhaar Portal but you will need your Aadhaar Card Number to download your copy of Aadhaar Card from Online Aadhaar Portal, this will be efficient to you as there is no need to go to office of Aadhaar Card and wait in line to ask them about duplicate copy of your Aadhaar Card. If before anywhere you have note your Aadhaar Card Number or if you have photocopy of your Aadhaar Card you can check out the number of your Aadhaar Card and go to Online Portal of Aadhaar Card and download the copy of your Aadhaar Card, below steps will show you how to download Aadhaar Card with Aadhaar Card Number without Aadhaar Enrollment ID.
Go to https://eaadhaar.uidai.gov.in/
The site will show you a form “Step 1: Your Personal Details”
Click on I have Aadhaar from option I have Enrolment Id or Aadhaar
Enter your Aadhaar Number in the Aadhaar Number text box
Next enter Full Name as you had given while enrolling for Aadhaar Card
Enter Pin Code
Enter the Captcha which is appearing the image in the below textbox
And then click on Get One Time Password
You will receive the OTP One Time Password on your registered mobile number which you had given while enrolling for Aadhaar Card
Enter the OTP One Time Password in the textbox below and click on Validate and Download
Your Aadhaar Card will get downloaded on your computer
To open the Aadhaar PDF File you will have to enter the password which you can get to know from Aadhaar Card PDF Password.
Also Read: Find Aadhaar Card Number by Name and Date of Birth