What is Dematerialisation?

Dematerialisation is the conversion of physical share certificates into electronic records held with a depository. India made it the standard through the Depositories Act of 1996, and since December 2018 you cannot transfer listed shares except in demat form. The word “Demat” is simply short for dematerialised.

In-depth guideDematerialisation, explained step by stepRead the full guide

What the paper era cost

Paper certificates were lost in fires and monsoons, forged with relative ease, and transferred through couriers and manual signature checks that took weeks. A single transfer involved the registrar verifying the seller actually owned the shares. The 1996 Act replaced all of that with a database entry.

What replaced the paper

Your demat account is a set of electronic balances with NSDL or CDSL, with the depository participant maintaining the record and the monthly CAS as your evidence. Nothing physical exists to lose. Dividends, splits and bonuses credit automatically, which is why corporate actions that once took months now take a day.

Still holding paper?

If you inherit physical certificates, they must be dematerialised before they can be sold on the exchange. The process runs through a depository participant, costs about ₹100 per certificate plus courier charges at Upstox, and takes a few weeks. Paper today is a chore, not an asset form.

How to dematerialise inherited paper shares

Open a demat account in the legal owner’s name or the heir’s name after the succession is established, submit a Dematerialisation Request Form (DRF) with the certificates through the depository participant, and the DP verifies the certificates with the registrar before the credit appears. Upstox charges ₹100 per certificate plus courier. The process takes a few weeks, longer if signatures, folio numbers or name spellings on the certificates differ from the records. Paper today is a chore, not an asset form, and the demat route is the only way to make it tradeable.

Rematerialisation, and why nobody uses it

The reverse process exists: you can convert electronic holdings back into paper certificates through your DP, paying the rematerialisation charge. Almost nobody does, because paper cannot be sold on the exchange, cannot be transferred for listed companies, and recreates every problem dematerialisation solved. The option survives for legal and estate edge cases, not as a practical choice.

A concrete example

A 1990s share certificate for 100 shares of a company sits in a locker. To sell those shares today, the owner opens a demat account, submits a dematerialisation request with the certificates, and the shares appear electronically in the account before they can be sold.

The numbers to remember

1996

Depositories Act passed

Dec 2018

Physical transfers of listed shares banned

₹100 + courier

Upstox demat request fee per certificate

Questions people ask about Dematerialisation

Technically yes, through rematerialisation, but no practical reason exists to do it. Paper certificates cannot be sold on the exchange, and transfers of listed shares must be electronic since December 2018. Rematerialisation exists for legal edge cases, not for investors.

Holders were given a window to dematerialise. Paper remains valid as a document but useless for trading until dematerialised. Inherited certificates need the demat request process before they can be sold.

They remain valid evidence of ownership, but they are useless for trading: transfers of listed shares must be electronic since December 2018, and selling requires dematerialisation first. An old certificate is a claim waiting to be converted, not a liquid asset.

Dematerialisation moves the same ownership into electronic form and is not a transfer, so it does not trigger capital gains. The acquisition cost and holding period carry over unchanged, which matters when the shares are eventually sold.

Related terms

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