SIM Ownership and KYC Mismatch: Fix Porting and eSIM Problems

Your mobile number works, but the operator's records show the wrong owner or a mismatched KYC, and now porting, eSIM conversion or a SIM replacement is being refused. This guide explains why ownership and KYC mismatches happen, how to correct your customer record through a fresh CAF and re-verification, how to escalate through the telecom grievance ladder, and how to protect yourself if a connection was taken on your identity without your consent.

Reviewed on: 2026-05-29.

This guide is for anyone in India whose mobile connection works fine for calls and data, but whose customer record with the telecom operator shows the wrong owner or details that do not match their own identity documents. The mismatch usually surfaces only when you try to do something that needs re-verification. It is useful if:

• Your porting (mobile number portability) request keeps getting rejected on a KYC or details-mismatch reason.
• An eSIM conversion or SIM replacement is being refused because the connection is in someone else's name.
• The number was originally bought on a family member's, friend's or employer's KYC and you now want it in your own name.
• The operator's record carries an old name, wrong spelling, or outdated address after you married, moved, or corrected your Aadhaar or PAN.
• You suspect a connection was taken on your identity without your consent and want to check and report it.

Telecom KYC rules are set by the licensor and regulator, but the actual correction happens with your private telecom operator. That distinction matters for the RTI section below: RTI works against public authorities, not against a private company's internal customer database. The fix for the record itself runs through the operator's own process and the consumer-grievance ladder.

If your SIM has actually stopped working after a swap or KYC failure, the closely related guide on SIM card stopped after a swap or KYC recovery covers restoring service. This guide focuses on correcting a mismatch while the number is still active.

Work out exactly what the mismatch is. Open your operator's official app or website and check the registered name and address on the connection. Compare it, field by field, against your Aadhaar, passport, voter ID or other officially valid document.

Write down precisely what is wrong: a spelling difference, a completely different owner name, an old address, or a date-of-birth gap. The remedy is different for a small spelling correction versus a full change of ownership, so be clear about which one you face.

Collect the rejection messages too. If porting or an eSIM request was refused, save the SMS, email or screen text with the exact reason. That wording tells the store staff what to fix.

Gather your documents. Keep your original photo ID and address proof ready, plus one self-attested photocopy of each. Aadhaar and passport are widely accepted; voter ID, driving licence and other officially valid documents are commonly used too. If you prefer not to use Aadhaar, ask the operator which alternative officially valid document they accept.

Find the nearest company-owned store of your operator, not just any recharge or retailer outlet. Ownership changes and re-KYC almost always need a company-operated store or an authorised KYC point, because they capture a fresh Customer Acquisition Form (CAF) and re-verify you. Note its address and timings.

If the original owner is a family member or friend who is reachable, ask them to come with their own ID, or to give a signed consent or no-objection note. A change of ownership normally needs cooperation from the person currently on record.

Use the government's connection-check portal to see how many mobile connections are linked to your identity. If you spot a number you do not recognise, note it down so you can report it for review. This is the single most important fraud-protection step, and it is free.

Draft your complaint using the template in this guide, in case the store cannot resolve it on the spot. Having the written complaint ready means you can lodge it immediately and start the clock on the escalation ladder.

Plan your store visit for Monday. Keep a simple log ready: date, store name, staff name, what you asked, what they said, and any docket or complaint number. This log becomes your evidence trail if you have to escalate.

Log in to your operator's app or website and read the registered name and address. Compare each field against your own officially valid documents. Decide whether you need a small correction (spelling, address, date of birth) or a full change of ownership into your name. The two routes need different paperwork, so getting this right saves a wasted trip.

If the connection is already in your name but the details are wrong, you usually need a re-KYC with corrected details on a fresh CAF. If the connection is in someone else's name, you need a change of ownership, which generally requires the current owner's cooperation and a fresh KYC in your name. Ask the operator's customer care which exact process applies to your situation before visiting, so you carry the right documents.

Go to a company-operated store or authorised KYC point, not a roadside retailer. Carry your originals and self-attested copies. Tell them plainly: the customer record does not match your ID, and you want it corrected so porting, eSIM and replacement work in your name. The staff will fill a fresh Customer Acquisition Form and re-verify you, often using Aadhaar-based or document-based verification. If you do not want to use Aadhaar, ask for the alternative officially valid document route.

Whatever happens, get something in writing. If the correction is accepted, ask for a request reference or acknowledgement. If the store cannot do it on the spot, raise a complaint with customer care and note the docket or complaint number. Record the date, store, staff name and what was said in your log. Without a complaint number, you cannot move up the escalation ladder later.

After a successful re-KYC or ownership change, the operator's record takes some time to refresh. Once the app shows your correct name and details, retry the action that failed. For porting, generate a fresh Unique Porting Code (UPC) by SMS and apply to the new operator again. For an eSIM, request the conversion at a company-owned store or through the official app and complete the verification step. A guide to the porting flow itself is at mobile number portability requests rejected repeatedly.

If the store refuses or the record is not corrected, escalate within the same company. Raise a written complaint with customer care and keep the docket number. If unresolved, write to the operator's nodal officer, whose contact is published on the operator's website. The next rung is the appellate authority of the operator, also published online. Reference your earlier docket numbers in every escalation so the history is clear.

Use the government's connection-check portal to see all mobile numbers linked to your identity. If a number is not yours, report it through the portal for review and possible disconnection. This protects you if your ID was misused to take a SIM. If you have lost a SIM or fear misuse, also see how to block a lost or stolen SIM card.

If the mismatch causes you a financial loss, service denial, or repeated harassment despite correct documents, you can take the matter to a consumer commission. Keep your full evidence trail: the mismatch screenshots, rejection messages, complaint numbers, and the operator's responses. For broader escalation strategy across departments, our CPGRAMS and RTI guide explains how government grievance channels work, although CPGRAMS itself is for public authorities rather than private operators.

Replace the text in square brackets with your own details before sending.

To, The Nodal Officer [Name of Telecom Operator] [State / Circle]

Date: [DD/MM/YYYY]

Subject: Correction of ownership / KYC mismatch on mobile number

       [Your 10-digit mobile number] — escalation of complaint
       [Docket / Complaint Number]

Respected Sir / Madam,

1. I am [Your Name], the user of mobile number [Your 10-digit number]

 on the [prepaid / postpaid] plan with your company.

2. The customer record for this connection does not match my own

 identity documents. The record currently shows:
    Name on record: [Name as per operator]
    Address on record: [Address as per operator]
 whereas my officially valid document shows:
    My name: [Your Name as per ID]
    My address: [Your Address as per ID]

3. Because of this mismatch, my [porting request / eSIM conversion /

 SIM replacement] dated [DD/MM/YYYY] was rejected. The stated reason
 was: [paste exact reason from SMS / email].

4. I visited your company-owned store at [store location] on

 [DD/MM/YYYY] and requested a [re-KYC / change of ownership] with my
 original [ID type] and address proof. The outcome was: [describe what
 happened]. Complaint / docket number, if issued: [number].

5. I request you to correct the customer record / complete the change of

 ownership into my name on the basis of the documents submitted, so
 that porting, eSIM conversion and SIM replacement can be processed in
 my name.

6. I enclose self-attested copies of my identity and address proof, the

 screenshot of the mismatched record, and the rejection message.

I look forward to your resolution. Please keep me informed at the contact details below.

Yours faithfully,

[Your Full Name] [Your 10-digit mobile number] [Alternate contact number] [Email Address]

Enclosures: A — Self-attested copy of photo ID B — Self-attested copy of address proof C — Screenshot of mismatched customer record D — Rejection SMS / email for porting / eSIM / replacement E — Store-visit details and earlier complaint number, if any

The Right to Information Act, 2005 applies only to public authorities. A private telecom operator is not a public authority, so RTI cannot be used to make the company correct your customer record. But RTI is still useful around the edges of a SIM mismatch, against the government bodies in the telecom system:

• Policy and rules: File an RTI with the Department of Telecommunications or the relevant ministry to get copies of the KYC, re-verification, porting or ownership-change instructions and any caps on the number of connections per person. Useful when a store refuses something you believe the rules allow.
• Your reported-connection data: If you reported a connection taken on your identity to a government portal, RTI to the concerned public authority can ask for the status and action taken on that report.
• Action on a forwarded complaint: If a public authority forwarded or handled your grievance, you can ask under RTI for the action-taken record on that specific reference.

To file an RTI online with a central public authority, see our step-by-step RTI filing guide; the standard fee is Rs 10 and the public information officer must reply within 30 days. If a public authority does not answer, our guide on filing a first appeal under RTI Section 19 shows the next step, and The RTI Playbook covers using RTI in layered regulatory disputes.

RTI has clear limits in a SIM ownership and KYC matter:

• It cannot correct the operator's record: The customer database belongs to a private company. Only the operator can change the name, address or ownership on your connection. RTI does not reach that record.
• It cannot force a porting, eSIM or replacement decision: These are commercial and KYC decisions of the operator. Use the operator's complaint, nodal and appellate ladder, and consumer commissions, not RTI, to compel them.
• It cannot get another person's KYC documents: If a connection was wrongly taken in your name, you cannot use RTI to obtain a third party's identity papers from a private company. Report the connection through the government portal and let the authorities act.

• Going to a roadside retailer instead of a company store: Ownership changes and re-KYC need a company-owned store or authorised KYC point that can fill a fresh CAF. A recharge shop cannot do it.
• Carrying only photocopies: Re-verification needs your original ID and address proof for inspection. Copies alone will get you turned away.
• Not capturing the exact rejection reason: “Porting failed” is not enough. Save the precise wording so the staff know which field to fix.
• Letting the connection stay in someone else's name indefinitely: If a number is in a friend's, relative's or ex-employer's KYC, every future re-verification depends on them. Move it into your own name while they are still reachable and cooperative.
• Skipping the connection-check portal: Many people never check how many SIMs are issued on their identity. Checking and reporting unknown connections is the simplest fraud protection available, and it is free.
• Sharing OTPs or KYC details with callers: Genuine re-KYC happens at a store or through the official app, not over a random phone call. Treat any caller asking for your OTP, Aadhaar number or KYC “re-verification” as a likely fraud and hang up.
• Not noting docket numbers: Without complaint or docket numbers, you cannot prove you tried, and you cannot escalate to the nodal officer or appellate authority. Record every number.
• Assuming RTI will fix the record: RTI does not work against a private operator. Use the operator's grievance ladder and consumer forums for the record; keep RTI for the government bodies only.

If your KYC details are wrong at the source, a name mismatch can repeat across banking, telecom and tax records. Our guides on fixing a PAN and Aadhaar name mismatch and the bank account KYC freeze and RBI complaint process explain how to correct the underlying identity documents so future KYC checks pass cleanly.

• Sanchar Saathi — check connections issued on your identity (TAFCOP)
• Sanchar Saathi — citizen-centric telecom services portal
• Department of Telecommunications (dot.gov.in) — telecom policy, KYC and connection rules
• Telecom Regulatory Authority of India (trai.gov.in) — telecom consumer protection and complaint framework
• National Consumer Helpline (consumerhelpline.gov.in) — consumer grievance support

A name mismatch on the customer record usually means the connection was bought on another person's KYC, or the operator's records carry an old or wrong name. It does not automatically mean fraud, but you should treat it seriously. Confirm whose KYC the connection is on by visiting a company-owned store with your own ID, and update the customer record into your own name through a re-KYC or a proper ownership change so that future porting, eSIM and replacement requests work in your name.

Carry your original photo ID and address proof plus a self-attested copy. Aadhaar, passport, voter ID, driving licence and other officially valid documents are commonly accepted. Aadhaar-based verification is widely used, but you can ask for an alternative officially valid document if you prefer not to use Aadhaar. The operator will fill a fresh Customer Acquisition Form (CAF) and re-verify you. Always check the exact accepted document list with your operator before going to the store.

Porting can be rejected when the name, date of birth or address on the donor operator's record does not match what the new operator captures, or when the connection is still in another person's name. Fix the KYC and ownership on the existing connection first, wait for the record to update, then generate a fresh Unique Porting Code and apply again. If rejections continue despite correct KYC, escalate to the operator's nodal officer and then the appellate authority.

An eSIM conversion is a SIM replacement, so the operator re-verifies the registered owner before activating it. If the customer record is in another name or has mismatched KYC, the eSIM request can be held. Correct the ownership and KYC on the connection first. Once the record matches your own ID, request the eSIM conversion at a company-owned store or through the official app and complete the verification step they require.

There is a regulated limit on the number of mobile connections that can be issued against a single person's identity in India. The Department of Telecommunications runs a public portal where you can see the connections linked to your number and report ones you do not recognise. Use that portal if you suspect a connection was taken on your KYC without your knowledge, and report unrecognised connections so they can be reviewed for disconnection.

First raise a written complaint with the operator's customer care and note the docket or complaint number. If it is not resolved, escalate to the operator's nodal officer, and after that to the appellate authority published on the operator's website. For consumer loss you can also approach consumer commissions. RTI applies only to a public authority such as the licensor or a regulator, not to a private telecom company's internal records.

No. A private telecom operator is not a public authority under the RTI Act, so you cannot use RTI to force it to update your customer record. RTI can be used against public authorities such as the Department of Telecommunications or the regulator, for example to get policy documents, your reported-connections data, or the action taken on a complaint you forwarded to them. Use the operator's grievance ladder and consumer forums to fix the record itself.