Dematerialisation of Shares in India: Process, Cost and Rule 9B Guide

01What Is Dematerialisation of Shares?

Dematerialisation of shares is the process of converting physical share certificates into electronic (book-entry) form held in a demat account. After dematerialisation, your holding is recorded against your name in the systems of a depository, NSDL or CDSL, rather than printed on a paper certificate sitting in a folder. The shares themselves do not change. The number, the class and your rights stay exactly the same; only the form in which they are held moves from paper to electronic.

It helps to separate two words people mix up. Demat is the holding format: shares held electronically in a depository. Dematerialisation is the one-time act of converting existing physical certificates into that electronic format. Once a holding is in demat form, any further transfer, pledge or allotment happens by electronic book entry, with no certificate to print, sign or courier.

Demat vs physical: the practical difference

With physical shares, ownership lives on a certificate. To transfer them you sign a transfer deed, hand over the certificate and wait for the company to re-register it. Certificates can be lost, torn, stolen or forged, and recreating a lost certificate is slow and painful. With demat, the depository holds the record, transfers settle by book entry, and there is nothing physical to lose. For a growing company, demat also produces a clean, machine-readable cap table that investors and acquirers can verify quickly.

Why dematerialisation matters now

For listed companies, demat has been the norm for years. What changed recently is that the net widened to cover private companies through Rule 9B (covered in the next section). That is why so many Indian founders and finance teams are dealing with dematerialisation of shares for the first time: it is no longer just a stock-market concept, it is a compliance obligation for ordinary unlisted companies. For a deeper read on a specific piece, this hub links out to focused guides on the step-by-step process, the charges and the Rule 9B mandate.

02Why It Matters: The Rule 9B Mandate for Private Companies

Rule 9B of the Companies (Prospectus and Allotment of Securities) Rules, inserted by the Second Amendment Rules in 2023, is the reason private companies are now dematerialising at all. In short, every private company that is not a small company must (a) issue securities only in dematerialised form, and (b) facilitate dematerialisation of all its existing securities.

Who is covered, and who is exempt

• Covered: private companies that are not small companies, judged on their audited financials as on 31 March 2023 (FY 2022-23). A company that ceases to be a small company later (including by becoming a holding or subsidiary company) gets 18 months from the end of that financial year to comply.
• Exempt: small companies and government companies. A small company (other than a public company) has paid-up share capital up to ₹4 crore AND turnover up to ₹40 crore; both conditions must be met. Note that a holding company, a subsidiary company, a Section 8 company and a company governed by a special Act are never small companies, so they are always in scope, however small they are.
• Already covered earlier: listed public companies and unlisted public companies were brought in by earlier rules, so Rule 9B is really about the private-company net.

The deadline has passed

The original compliance date was 30 September 2024. The MCA then extended it to 30 June 2025 (notification dated 12 February 2025). As of mid-2026, that deadline has passed and no further extension has been notified, so a covered company that has not dematerialised should act now rather than wait for relief that may not come.

Once Rule 9B applies, the practical bite is immediate: a holder cannot transfer or be allotted new securities (a further issue, bonus, rights or buyback) unless the holding is in demat form. The company must also file a half-yearly PAS-6 (Reconciliation of Share Capital Audit Report) with the ROC within 60 days of each half-year end, certified by a CS or CA. This section is deliberately brief; for the full eligibility test, the deadline history and the PAS-6 mechanics, see our dedicated Rule 9B guide for private companies.

03The Key Players: NSDL, CDSL, DP, RTA and ISIN

Dematerialisation involves a small cast of intermediaries. Understanding who does what is half the battle, because founders often confuse the depository, the depository participant and the RTA. Here is each one in a line.

• NSDL (National Securities Depository Limited): one of India’s two depositories, established in 1996 and generally associated with the NSE. Compare NSDL and CDSL.
• CDSL (Central Depository Services (India) Limited): the other depository, generally associated with the BSE. For an unlisted or private company either depository works; cost and RTA support usually drive the choice.
• DP (Depository Participant): the agent, usually a bank or broker, through whom an investor opens and operates a demat account. Investors deal with a DP; the company does not.
• RTA (Registrar and Transfer Agent): a SEBI-registered intermediary that maintains the register of security holders for the company and interfaces with the depository. The company appoints the RTA. Common names include KFin Technologies, Link Intime, MUFG Intime, Cameo, Bigshare and Skyline. More on what an RTA does.
• ISIN (International Securities Identification Number): a 12-character alphanumeric code that uniquely identifies a class of security. The company, through its RTA, applies for one before shares can be dematerialised. How ISIN works.

How the ISIN is structured

An ISIN follows ISO 6166: a 2-letter country code (IN for India), then 9 alphanumeric characters, then 1 check digit, 12 characters in all. Each class or type of security gets its own ISIN, so a company with Equity Shares and two classes of preference shares needs three separate ISINs. Getting an ISIN credited under the wrong ISIN is a common error, and it is fixable, but it is better avoided by matching details carefully up front.

04The Dematerialisation Process, End to End

For a private company, dematerialisation has a company-level setup (done once) and a shareholder-level conversion (done for each holder). Here is the high-level path. The detailed, document-by-document walkthrough lives in our dematerialisation process guide.

1. Check the Articles. Amend the Articles of Association first if they restrict or are silent on holding shares in demat form.
2. Board resolution and appoint an RTA. Pass a board resolution and appoint a SEBI-registered RTA to run the process.
3. Apply for an ISIN. The RTA applies to NSDL and/or CDSL, submitting the Certificate of Incorporation, MOA/AOA, board resolution, audited financials, net-worth certificate, register of members and directors’ KYC and PAN.
4. Execute the tripartite agreement. Company, RTA and depository sign the tripartite agreement that links the three.
5. Intimate shareholders. Tell shareholders to open demat accounts with a DP of their choice.
6. Shareholder files a DRF. Each shareholder submits a Dematerialisation Request Form (DRF) along with the physical certificates to their DP, one DRF per ISIN per holder.
7. DP defaces and forwards. The DP stamps the certificates “Surrendered for Dematerialisation”, generates a Dematerialisation Request Number (DRN), and forwards everything to the RTA.
8. RTA verifies and confirms. The RTA checks the certificate and folio details against the register, confirms, and the shares are credited to the shareholder’s demat account.

On timing, ISIN allotment typically takes about 2 to 4 weeks, and each shareholder’s DRF is usually confirmed in roughly 15 to 30 days, provided everything matches.

05What Dematerialisation Costs

The cost splits into one-time setup, recurring annual fees, RTA charges, and the per-shareholder cost each holder pays their own DP. These are guide ranges for 2026; confirm current figures on nsdl.co.in, cdsl.com and with your RTA, since fees vary with paid-up capital and depository. The summary below is a starting point; the full breakdown is in our dematerialisation charges guide.

On stamp duty: since 1 July 2020, duty on demat securities is collected centrally by the depository at uniform rates (0.005% on issue and 0.015% on transfer), so you no longer buy stamp paper for certificates.

06Benefits of Dematerialisation

Compliance aside, demat is genuinely better than paper for a company that intends to grow or raise money. The main benefits:

• No risk of loss, theft or forgery of certificates, and no slow, painful reissue of a lost certificate.
• Instant, paperless transfer by electronic book entry, with nothing to sign, post or courier.
• Rule 9B compliance for covered private companies, and a prerequisite for any future IPO.
• Easier pledging and ESOP allotments, because electronic holdings are simpler to encumber and issue.
• A cleaner cap table and faster due diligence: a verifiable electronic register beats reconciling a folder of certificates during a deal.
• No stamp paper for certificates, since stamp duty on demat securities is collected centrally.

07Dematerialisation vs Rematerialisation

Rematerialisation is the reverse of dematerialisation: converting electronic holdings back into physical certificates, done by submitting a Rematerialisation Request Form (RRF) to your DP, processed by the RTA, who then issues physical certificates. It is rare now, and it is not available where demat is mandatory for fresh transactions, so for most Rule 9B companies it is more a concept than a practical option. For when and how remat actually applies, see our rematerialisation guide.

08Frequently Asked Questions