How to change your mobile number on Zerodha

From WebNotes, a public knowledge base. Last updated 12 May 2026. Reading time ~7 min. Level: Beginner.

Key facts

Time required	2–5 business days
Cost	Nil
Verification	OTP on new mobile number required; Aadhaar-based verification may be used
KRA update	Automatically propagated to CDSL and KRA after Zerodha approval

Your registered mobile number at Zerodha is the primary channel for two-factor authentication (2FA) on Kite (login OTP), CDSL TPIN-based OTPs for delivery instructions, and transactional SMS alerts. Keeping it current is essential for account security. This guide explains how to update the registered mobile number.

Step 1: Log in to Zerodha Console

Open Zerodha Console and log in. Navigate to Profile (top-right profile icon or the side menu). Under the profile section, review available account modification options.

As of 2025, Zerodha provides an online mobile number change flow for accounts where the Aadhaar-linked mobile is also the registered mobile (i.e., the current mobile number is linked to Aadhaar). If the current mobile is not Aadhaar-linked, the process may require a physical form.

Step 2: Initiate the mobile number change

Online method (Aadhaar-OTP route):

In Console, navigate to Profile > Personal details.
Find the mobile number field and click the edit or change option.
Enter your new mobile number.
Zerodha sends an OTP to the Aadhaar-linked mobile (which must be accessible) for identity verification.
Enter the OTP to confirm.
Zerodha may additionally send a confirmation to the old mobile number.

Offline method (if online change is not available):

Download the “Change of Details” form from support.zerodha.com.
Fill in your Client ID, PAN, current mobile number, and the new mobile number.
Sign the form.
Email the scanned signed form to modifications@zerodha.com or through the support ticket system from the registered email address.
Zerodha support may call the registered email to confirm the request.

Step 3: Verify the new mobile number

Regardless of the method used, Zerodha will send an OTP to the new mobile number to confirm that you own it. Enter the OTP when prompted. This step confirms the new number is active and in your possession.

Step 4: Await update propagation

Once Zerodha updates the mobile number in its internal records:

Zerodha Kite login: Login OTPs and trade confirmation SMSs will be delivered to the new number within 1–2 business days.
CDSL Easiest: Your CDSL Easiest account uses the mobile number registered on your CDSL BO account. CDSL OTPs for delivery instructions will be routed to the new number after Zerodha propagates the update to CDSL. This typically takes 3–5 business days.
KRA (CAMS KRA or others): Your central KYC record at the relevant KRA will be updated. Subsequent broker KYC checks will see the new number.

Verify the update in Console under Profile after 5 business days. If the old number is still showing after 7 business days, raise a follow-up support ticket.

Step 5: Update Easiest registration if needed

If you use CDSL Easiest directly (for off-market transfers), log in to easiest.cdsl.com after the CDSL update and verify that OTPs are being sent to the new number. If Easiest still shows the old number, contact CDSL at 1800-200-5533 or submit a correction request through Zerodha support.

Two-factor authentication considerations

After the mobile number change, your Zerodha Kite login requires a TOTP (time-based OTP) from the authenticator app, or an SMS OTP on the new number. If you use the Zerodha authenticator app (or Google Authenticator) for login, it is linked to the account regardless of mobile number and is not affected by the change. If you relied on SMS OTP for login, ensure the new number is receiving Zerodha OTPs before logging out of all sessions.

What can go wrong

Aadhaar mobile OTP not working: If your Aadhaar-linked mobile number has also changed, the Aadhaar OTP route will not work. In this case, first update Aadhaar with your new mobile (via the UIDAI portal or Aadhaar Seva Kendra) and then initiate the Zerodha update.
Duplicate mobile on another Zerodha account: If the new mobile number is already the registered number on another Zerodha account, the system will reject the update. Each registered mobile must be unique across Zerodha accounts.
CDSL Easiest OTP delivery lag: Even after Zerodha updates its records, CDSL’s internal propagation may take 3–5 additional business days. During this period, OTPs for Easiest will still go to the old number. Do not initiate off-market transfers via Easiest during this transition period if you no longer have access to the old number.
KRA mismatch: If the new mobile number is different from the one in your KRA record, subsequent broker-switches or KYC checks may show a discrepancy. The KRA update resolves this but may take 5–7 business days.

References

SEBI KYC Registration Agency (KRA) Regulations, 2011, Regulation 12 (updating KYC records).
SEBI Circular SEBI/HO/MIRSD/MIRSD-PoD-1/P/CIR/2022/70, 25 May 2022, Centralised mechanism for reporting of change in address.
Zerodha Support, “How to change my registered mobile number”, support.zerodha.com (accessed May 2026).
UIDAI, “Aadhaar data update procedures”, uidai.gov.in (accessed May 2026).

WebNotes Editorial Team prepares factual how-to guides based on publicly available regulatory documents and broker disclosures. WebNotes is not affiliated with Zerodha Broking Limited. Procedures are subject to change; verify current requirements at support.zerodha.com before acting.

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WebNotes Editorial Team

The WebNotes Editorial Team covers Indian capital markets, payments infrastructure and retail investor procedures. Every article is fact-checked against primary sources, principally SEBI circulars and master directions, NPCI specifications and the official support documentation published by the intermediary in question. Drafts go through a second-pair-of-eyes review and a separate compliance read before publication, and revisions are tracked against the SEBI and NPCI rule changes referenced in the methodology section.

Last reviewed: 12 May 2026
Conflicts of interest: WebNotes is independent. No relationship with any broker, registrar or bank named in this article.