Is an unknown SIM Card Issued in Your Name & Mobile Number?
- Biswajit Sahu
- Mar 1
- 2 min read
Updated: Mar 2

1. Introduction
I want to warn you about a problem: criminals are getting SIM cards using other people’s ID details. If a SIM card is issued in your name, it can cause big problems for you.
2. Why is This Important?
Financial Activities: Most banking apps, OTPs, and digital payments use your mobile number.
Social Media and Emails: Hackers can reset your passwords and access your accounts.
Illegal Use: Criminals can do wrong things with a SIM card linked to your name.
3. Warning Signs
You might see strange alerts on your phone or notice a change in your mobile services. If you feel unsure, it is best to check.
4. TAFCOP Portal (Sanchar Saathi)
The Indian Government has a tool to help: the TAFCOP portal athttps://tafcop.sancharsaathi.gov.in/telecomUser/
5. Steps to Check Your SIMs
Go to the Website: Visit the link above.
Enter Your Mobile Number: Look for “Know Mobile Connections in Your Name.”
Request OTP: Click “Request OTP.” You will get a text on your phone with a code.
Enter the OTP: Type the code in the box and click “Validate.”
See Your Linked Numbers: You will see a list of all SIM cards linked to your ID. Check each number.
Spot Unknown Numbers: If you see numbers you did not authorize, they might be ghost SIMs.
6. How to Act on Unknown SIMs
Report or Block: Next to each unknown number, click “Report” or “This is not my number.”
Give Reasons: Explain why you think the number is not yours.
Keep Proof: Save screenshots of the list and your report.
7. Stay Safe (Prevention Tips)
Protect Your ID: Keep your Aadhaar, Voter ID, and other documents safe. Share copies only when needed and write the purpose on the copy.
Stay Alert: Watch for odd charges, messages, or calls.
Check Often: Use the TAFCOP portal from time to time to see if anyone has linked new SIMs to your name.
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