How to Check and Block SIM Cards Linked to Your Aadhaar Card

In today’s digital age, having an Aadhaar card is essential for various official and personal transactions in India. From banking to obtaining government services, it serves as a crucial identification document. However, with its widespread use, there’s also a need to safeguard it from potential misuse, especially concerning SIM card activations.

Many individuals link multiple SIM cards to a single Aadhaar number, often for convenience or family use. While this practice is legitimate, it also opens the door to potential misuse if unauthorized individuals gain access to your Aadhaar details.

To address this concern, the Department of Telecommunications (DoT) has introduced a user-friendly portal,, specifically designed to help individuals monitor and manage SIM cards linked to their Aadhaar card.

Here’s how you can utilize this portal:

  1. Visit
  2. Enter your mobile number in the designated field.
  3. You’ll receive an OTP on the provided mobile number.
  4. Enter the OTP to proceed.
  5. Once authenticated, you’ll see a list of all SIM cards linked to your Aadhaar card.
  6. You’ll also have the option to take action, including blocking any unauthorized SIM cards or those you no longer wish to use.

By following these simple steps, you can proactively monitor and manage the SIM cards associated with your Aadhaar card, ensuring greater security and peace of mind.

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