Is dematerialisation compulsory?

Holding shares in physical form is not itself prohibited, but transferring them is — so a paper holding cannot be sold or moved. In practical terms conversion is necessary for the holding to be usable, and transmission to an heir results in a demat credit regardless.

Do the certificates come back to me?

No. Once the shares are credited electronically the certificates are cancelled and not returned. Keep certified copies and a record of what you surrendered and when, which is good practice while the request is pending.

The certificate is in joint names and one holder has died. What now?

This becomes a transmission first — the surviving holder's title has to be recorded before the holding can be dematerialised. The demat account must then match the resulting holder pattern. Filing a demat request in the original joint names will be rejected.

The company’s name on my certificate doesn’t exist any more.

Usually it does, under another name, or the holding was exchanged for shares of a company that absorbed it. Registrar records connect the old entity to the current one and establish the exchange ratio. This is a normal part of the work and it is frequently how holders discover their holding is worth much more than they assumed.

Will I need a new demat account?

Only if you do not have one matching the certificate's holder pattern and order. An existing account works if the names and sequence align exactly. If they do not, opening one with the right pattern is simpler than trying to get a mismatch accepted.

Your depository participant charges a dematerialisation fee, usually per certificate, plus courier, and the demat account carries an annual maintenance charge. Against that, a physical holding cannot be sold or transferred at all — so for a holding of any size the comparison is not close.

Dematerialisation of Shares

Dematerialisation converts physical share certificates into an electronic holding in your demat account. It is no longer a convenience: physical shares cannot be transferred, and a paper holding is effectively frozen for every purpose except being held.

For long-term holders this is the step that makes a shareholding usable again — sellable, transmittable, and visible in one statement instead of scattered across folders. It is also the step where decades of unmaintained folio records finally have to be reconciled, which is why it is more involved than the form suggests.

Why a paper holding no longer works

Since the transfer of shares in physical form was discontinued, a certificate can be held but not moved. The practical consequences:

It cannot be sold. Exchange settlement is electronic.
It cannot be transferred to another person in physical form.
Transmission to an heir is processed into demat form, so the conversion happens anyway — later, under time pressure, by someone with less information than you have.
Corporate action proceeds — dividends, buyback payments — depend on a current bank mandate that paper folios frequently lack.
Loss or damage puts you into the duplicate-certificate procedure.

Holding paper is a decision to defer all of this to whoever inherits it.

The mechanics, end to end

The process runs between three parties, and each one checks the file:

You need a demat account whose holders match the certificate exactly, in the same order. A joint holding of A and B cannot be dematerialised into an account of B and A.
A Demat Request Form goes to your depository participant with the original certificates, each defaced as the DP instructs.
The DP records the request and forwards the certificates to the company's registrar.
The registrar verifies the folio, the holder details and the signature against its records.
On confirmation, the shares are credited to your account and the certificates are cancelled.

Where everything matches this takes a few weeks. Where it does not, the request is rejected and returned — and rejection, not delay, is the normal failure mode.

What actually causes rejections

In our experience the causes are few and predictable:

Signature mismatch against a specimen given decades ago. The most common single cause, resolved by banker's attestation.
Name mismatch between certificate, PAN and demat account — an expanded initial, a married surname, a spelling variant.
Joint holders in a different order, or a demat account that omits one of them.
The folio is not KYC-compliant — no PAN, no bank mandate, no nomination or opt-out on record.
A dead joint holder, which makes this a transmission before it is a dematerialisation.
The company has changed name or merged, so the certificate names an entity the DP does not recognise.
Certificates defaced incorrectly, or the wrong set surrendered.

Every one of these is fixable in advance. That is the whole argument for doing the folio work first.

Reconciling what you are actually owed

The number on the certificate is rarely the number you receive, and the difference is usually in your favour. A holding from the eighties or nineties has typically passed through bonus issues, stock splits, rights issues and possibly an amalgamation that exchanged it for shares of a different company.

We reconstruct the folio history from the registrar's records and compute the current entitlement before the request goes in, for two reasons: so you know what to expect, and so a shortfall in the credit is spotted immediately rather than a year later. Unclaimed bonus shares and unencashed dividends often surface during this exercise — and if dividends have been unclaimed for seven years, part of the holding may already have moved to the IEPF, which is a separate claim.

Old, renamed and disappeared companies

Certificates naming a company that appears not to exist are common and rarely hopeless. What we check:

Name changes. The company exists under another name; the registrar's records connect the two.
Mergers and demergers. The holding was exchanged for shares of the surviving or resulting company under a scheme, at a ratio we can establish.
Delisting. Not dissolution. The folio is live and the shares may have real value.
Dissolution or liquidation. Sometimes the answer really is that there is nothing to recover, and we will tell you so plainly.

What we do

We verify the folio and reconcile the entitlement, regularise PAN, KYC, signature, bank mandate and nomination so the request is not rejected, prepare the demat request set to the registrar's requirements, and follow it through to the credit — then confirm the quantity received against the entitlement we computed. Where a duplicate certificate, a transmission or an IEPF claim has to happen first, we sequence those in the right order rather than discovering the dependency halfway through.

What it costs, and what it saves

Conversion carries small charges — your depository participant's dematerialisation fee, courier, and the annual maintenance charge on the demat account. Set against that:

The holding becomes sellable. A paper holding cannot be transferred at all, so its market value is theoretical until converted.
Dividends credit automatically to the bank account on the demat record, ending the cycle that sends shares to the IEPF.
Corporate actions apply themselves — bonuses and splits arrive without a certificate having to be issued and posted.
The risk of loss, theft and decay disappears, along with the duplicate-certificate procedure it leads to.
Transmission becomes far simpler for your heirs, and nomination sits on the demat account.

For a holding of any real size the arithmetic is not close. For a small holding the deciding factor is usually that the certificate cannot be sold in the state it is in.