Where to do?

You can seed Aadhaar number to your sim card by visiting your nearest retailer. For example for the Airtel sim card, You have to go to nearest Airtel retailer or Airtel store with below-mentioned documents.

• Aadhar Card photocopy
• Sim card and active phone

To receive the One Time Password (OTP) at the time Verification, you have to Turn on your Sim card.

Check the status through call

Before visiting the retailer shop, you can check whether your network sim card is already verified or not by below steps.

• Call to 198 customer care number and ask them if your Aadhaar card is linked or not. 
• You may need to provide the mobile number or Aadhaar number details for this. 
• Then they will give you details regarding it.

SMS

Keep checking your SMS Inbox. After Aadhaar-Sim card linking made mandatory, all customers are getting messages in their inbox to link Aadhaar with Sim card soon. If you are not a verified customer, they send the notification to all the sim card users in every 10-15 days. How To Link Aadhaar With Vodafone Mobile Number?

Failure to link Aadhaar and sim

All mobile phone numbers have to be linked with the 12 digit Aadhaar number before 6 February 2018. If you fail to link, your Sim will be deactivated, and you will lose network signals. If you want to continue enjoying the services offered by your telecom providers, then you have to seed Aadhaar with sim card number. How To Link Aadhaar With Your BSNL Mobile Number?

Re-verification

Mobile users who took the sim cards using the documents like License, Voter id, PAN, etc. again needs to verify their sim with Aadhar Card number. If you have already done the biometric verification at the time of taking the new connection, then you don't need to perform this action again.

Charges

There is no charge or fee to do this action. Currently its free to link mobile number and Aadhaar card process free and charges. If any retailer asks you to pay, then you can complain about to 198 tolls free number. How To Link Aadhaar To Your Aircel Mobile Number?

Note

Do remember that you can not link your mobile number with any another person's Aadhaar number. At the time of verification, your fingerprint will be taken, and it should be matched with Aadhaar card fingerprint. Reminder: Know These Five Aadhaar Linking Deadline