Are you worried your SIM card might be among the 4 lakh+ numbers recently blocked by the Department of Telecommunications (DoT)? Here’s the important update and the exact steps to safeguard your number right now.Why Were So Many SIM Cards Blocked?In August 2025, DoT blacklisted and blocked over 4 lakh mobile numbers nationwide. This major action targets SIM cards issued using fake documents or those involved in cybercrime, online scams, and financial fraud. The government’s high-tech Sanchar Saathi platform and its new Financial Risk Indicator (FRI) have made it possible to identify and flag fraudulent or high-risk numbers in near real time. This move aims to protect genuine users, curb spam, and stop digital scams.How to Check If Your Number Is BlockedYou can quickly find out the status of your mobile number and view every SIM card registered against your identity using DoT’s official portals. Here’s how:Step 1: Visit the Sanchar Saathi PortalGo to https://www.sancharsaathi.gov.in (or direct TAFCOP user link: https://tafcop.sancharsaathi.gov.in/telecomUser/)Step 2: Check SIMs Linked to YouEnter your active mobile number.Complete the captcha and validate it.Enter the OTP received on your number.You’ll see a list of all SIM cards registered under your name (via your Aadhaar or other KYC).Step 3: Report Any DiscrepancyIf you spot an unfamiliar number, click ‘Not My Number’ to request deactivation.For numbers you no longer use, hit ‘Not Required.’Pro Tip: Stay alert! Checking for unauthorized numbers regularly helps protect you from identity theft and legal issues.What Happens If Your SIM Is Blocked?If your number is flagged or blocked, your telecom operator will contact you for re-verification.If you don’t respond, service may be discontinued.If you lost service suddenly, visit your nearest telecom provider with identity proof to clarify and restore genuine numbers.How to Protect YourselfAlways use your own documents for mobile connections.Never share OTPs or your Aadhaar details with untrusted sources.Regularly log in to Sanchar Saathi to check how many SIM cards are active in your name.Official Updates & More InfoFor detailed news, guidelines, and the latest government action:
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