Signature mismatch is the single most common reason a share-related request is rejected. The specimen a registrar holds was given when the folio was opened — often decades ago — and signatures change with age, health and habit. The registrar is not being obstructive: verifying the signature is how it protects you from someone else claiming your shares.
Fixing it is a defined procedure, not an argument, and it is worth doing before it blocks something urgent.
What a mismatch actually blocks
Everything that needs the registrar to act:
- Dematerialisation — the demat request is rejected and the certificates come back.
- IEPF claims — the Nodal Officer raises an objection and the SRN stalls.
- Duplicate certificates — the request is not processed.
- Transmission, where a surviving joint holder's signature cannot be matched.
- Bank mandate and address changes — the very updates that would fix the folio.
That last one is the trap: the change you need to make requires a signature the registrar cannot verify.
How it is resolved
Through your bank, which already holds a verified specimen. The route is:
- A banker-attested specimen on the prescribed form, signed at your branch in the presence of an authorised officer who stamps and signs it with their employee code.
- Identity and address proof alongside it.
- Original certificates or folio details to identify the holding.
- Where the difference is substantial, a notarised affidavit explaining it.
The attestation has to be done by the bank where you hold an account with a matching signature on record — which occasionally means opening the conversation with the bank before the registrar.
When the holder cannot sign
Three situations that need different handling:
- Age or illness has changed the signature permanently. A fresh attested specimen replaces the old one; a medical certificate sometimes supports it.
- The holder cannot sign at all. A thumb impression, attested as prescribed and usually witnessed, is accepted.
- The holder has died. There is nothing to update — this is a transmission, and no amount of signature work will substitute for establishing the heir's title.
For holders outside India
An NRI cannot walk into an Indian branch, so attestation is obtained from an authorised official of an overseas branch of an Indian bank, a notary in the country of residence, or an Indian embassy or consulate. Requirements vary by registrar, so it is worth confirming which forms of attestation will be accepted before paying for one — a notarisation the registrar rejects is a wasted trip.
What we do
We confirm against the folio what the registrar actually holds, tell you which attestation route that registrar accepts, prepare the forms so your branch visit is a single visit, and file the update together with any KYC, address, bank and nomination work the folio needs — so one round fixes the folio rather than four. Where a request has already been rejected, we read the objection memo and respond to what it actually says.
How a registrar actually compares signatures
Knowing what is being compared makes the outcome less mysterious. The registrar holds a specimen captured when the folio was opened, and compares the signature on your request against it — looking at overall construction, letter formation, slant and the way the pen starts and stops, not at whether the two are identical.
Where they differ enough to fail, the registrar raises an objection rather than exercising judgement, because the alternative is accepting a signature it cannot verify. That is the control protecting your holding from someone else.
Two implications worth acting on:
- Signing the way you sign today does not help if the specimen is forty years old. The fix is to replace the specimen, not to try harder.
- Sign consistently across the whole file. A set of documents where the signature varies from page to page invites an objection even where each individual one might have passed.
Reading an objection memo properly
Where a request has already been rejected, the objection memo is the most valuable document you hold — and it is routinely misread. It states the specific defect, and responding to anything other than that defect restarts the cycle.
What we look for in it:
- Whether the objection is the signature at all, or a name mismatch, a missing document or a quantity discrepancy that the holder has interpreted as a signature problem.
- What form of cure the registrar has specified — attestation, affidavit, or both.
- Whether the objection is against one holder or all of them on a joint folio.
- Any deadline the memo imposes for responding.
A request pending for months is almost always waiting on one identifiable thing. Finding out what it is costs a retrieval, not a resubmission.
Joint holdings
On a joint folio the registrar holds a specimen for each holder, and a request generally needs every holder's signature to verify. That produces situations worth planning for:
- One holder's signature fails and the others pass. Only the failing specimen needs replacing, but the request waits for it.
- A joint holder is abroad, so their attestation follows the overseas route while the others use an Indian branch.
- A joint holder cannot be traced. The options narrow considerably, and it is better to raise this at the start than to discover it in an objection.
- A joint holder has died. Nothing is updated — the folio becomes a transmission.