IRCTC Authorised Principal Service Provider +91 91091 35959 · 24 hours, 7 days
SiOnline Technomart
IRCTC

How to change the mobile number on an IRCTC login

Change the mobile number on an IRCTC account step by step, including what to do when you no longer have the old number and cannot receive the OTP.

7 min read · Updated 27 September 2026 · SiOnline support 24 hours, 7 days

Before you start

  • The current password for the IRCTC account
  • Access to the new mobile number — the OTP goes there
  • The registered email address, because some changes verify against both
  • Ten quiet minutes. The session times out and you do not want to restart halfway

The mobile number on an IRCTC account is not a contact detail. It is the thing that authorises bookings, cancellations and refunds — so changing it is deliberately a little harder than changing an address, and the process assumes you still control the account.

This guide covers the normal case first, then the one everybody actually arrives here for: you have lost access to the old number.

Change the number from inside your account

  1. Sign in at irctc.co.in with your existing user ID and password. If the password is also lost, reset that first — it is a separate process and trying to do both at once is how people get locked out.
  2. Open your profile. It sits under your user name once you are signed in, usually as My Profile or Update Profile.
  3. Find the contact details section. Mobile number and email are held together here.
  4. Enter the new mobile number. Check it twice. A digit wrong here sends the OTP somewhere you cannot reach, and you will have to start over.
  5. Request the OTP. It goes to the new number, not the old one. This is the part that surprises people, and it is also what makes the process survivable when the old SIM is gone.
  6. Enter the OTP and save. Codes expire. If more than a few minutes have passed, request a fresh one rather than typing in the old code.
  7. Sign out and sign back in. Do not skip this. It confirms the change actually committed rather than appearing to.

When you no longer have the old number

This is the situation most people are in when they search for this, and the good news is that it is usually fine.

If you can still log in, you do not need the old number at all. The verification OTP is sent to the new number you are setting, so a dead SIM in a drawer is not an obstacle. Follow the steps above.

If you cannot log in either — no password and no old number — you have a different problem, and it is the harder one. Password recovery verifies against your registered email. So:

  • Start with email-based password recovery, not the mobile number
  • Once you are back in, change the mobile number using the steps above
  • Do both in that order. Attempting the number change while locked out will not work

If the registered email is also gone, self-service will not reach you. That becomes an identity-verification case with IRCTC rather than a form you can fill in.

One number, one account

A mobile number can sit on exactly one IRCTC account. So can an email address.

This matters far beyond changing a number, because it is the single most common cause of a rejected agent registration. If your PAN, mobile or email is already attached to a personal IRCTC account, the agent application will not go through until that is resolved.

If you are planning to register as an agent, sort this out before you apply rather than after. We check it at the verification stage precisely because it is so common — see IRCTC agent registration.

After you change it — test something

Change the number, then make a small booking or at least start one far enough to trigger an OTP.

The reason is simple: a change that appears to save but has not committed looks identical to one that worked, right up until the moment you have a customer at the counter and no code arriving. Finding that out on a quiet afternoon is much better than finding it out at 10:29 on a Tatkal morning.

If the OTP never arrives

Work down these in order before assuming the account is at fault:

  • Signal. Obvious, and still the answer more often than anything else.
  • The number you typed. Re-read it. Digits transpose.
  • DND settings. Aggressive Do Not Disturb settings can suppress service messages.
  • Time. Codes expire. Request a new one rather than retyping an old one — an expired code fails with the same message as a wrong one, which sends people down the wrong path.
  • Another agent. If colleagues are also not receiving codes, it is not your account.

Agent ID versus personal account

Worth being precise, because the two get conflated constantly.

Your personal IRCTC account is the one this guide covers. Your agent ID is a separate record issued through a Principal Service Provider, and if you sign in with OTP login the number attached to it is changed through a different route — covered here.

Changing one does not change the other. Agents who assume it does tend to discover the mistake during a booking.

Never share your password. Nobody at SiOnline needs it, and no legitimate service will ask. If you need help, send us your agent ID — not your credentials.

Still stuck?

Support runs 24 hours, 7 days

Call or WhatsApp with your agent ID. AI-assisted round the clock, with the team on hand during business hours.

+91 91091 35959 WhatsApp
More guides

Help centre

Every step-by-step guide, grouped by what you are doing.

Open the help centre
IRCTC

Questions about this.

Can I change my IRCTC mobile number without logging in?

Not directly. Every route to changing the number runs through an authenticated session or an identity check, because the mobile number is what protects the account. If you cannot log in at all, reset the password first — that is a different process from changing the number.

What if I no longer have the old SIM?

This is the most common version of the problem. You do not need to receive anything on the old number to set a new one, provided you can still log in. If you cannot log in either, you need the password reset route first, which verifies against your registered email.

How long does the change take to apply?

Once the OTP on the new number is verified, the change applies to the account immediately. What can lag is anything already issued against the old number, which is why you should test a booking afterwards rather than assume.

Does this also change the number on my agent ID?

Not necessarily. A personal IRCTC account and an agent ID are separate records. If you use OTP login as an agent, see the separate guide on changing the mobile number used for OTP.

Can one mobile number be used on two IRCTC accounts?

No. A mobile number and an email address can each sit on one account. This is the single most common reason an agent registration is rejected — the number is already attached to a personal account.

I am not receiving the OTP at all.

Check the obvious first: signal, DND settings, and whether the number was typed correctly. If several minutes pass, request a fresh OTP rather than re-entering an expired one — expired codes fail in a way that looks like a wrong code.

Not an agent yet?

These guides are free to read whether you register with us or not. If you do want an agent ID, we check your eligibility before you pay.