
If you had opened a Kotak 811 Account and are trying to register for the Kotak Mobile App for login, but are stuck due to the app asking for your CRN, and have no idea what it was or where to find it.
Don’t worry — this article is for you. Hi, I’m Nanne Parmar. According to Google Scholar, I’m a recognised finance author.
In this post, I will walk you through everything related to Kotak CRN, such as why it is so important and how you can find it out easily.
Why Does the Kotak CRN Matter So Much?
Kotak Bank touch the customer base of 5.1 crore (51 million) as of June 30, 2024.
Every Kotak customer is assigned a unique 9-digit CRN (Customer Relationship Number) for easy to handle record by the large number of customers.
The CRN is more than just a number; It adds an extra layer of security. Your CRN works like a master ID that links all your Kotak accounts—savings, current, credit cards, etc.—under one profile.
Are the CRN and Account number in Kotak Bank the same?
This is where most people go wrong. Your account number changes if you open a new one. But your CRN is permanent — it represents you and your single account, not a typical product with a bank.
Where it is usually required –
- You can’t log in to Internet & Mobile Banking without this.
- Customer service verification
- KYC verification
- Managing multiple Kotak services
- Use for unlocking Kotak savings account and credit card statement PDF
- Even for Re-KYC
So, it is not optional; it is required almost everywhere while you access Kotak services, if you have just opened your account and have not received any documents or a login ID. Follow these options –
No Login Needed? Try These “Direct Access” Options
If you have done your KYC with Kotak Bank, but have not received the Debit card and do not have any login information. You can use this official method to retrieve your CRN.
1. SMS Banking
Kotak Mahindra Bank offers an SMS service that instantly delivers your 9-digit Customer Relationship Number to your registered mobile number. Here’s how to do it:

- Open your phone’s Inbox and send an SMS,
- In the “Send To” option, enter any of these numbers: 9971056767 or 5676788.
- Type Message Body “CRN” and Tap on the Send Button.
- You will receive your 9-digit CRN instantly via SMS reply.
Pro Tip: Save it securely for future use.
Please note: It only works if your mobile number is linked to Kotak Mahindra Bank. If not, please visit your home branch and update your number by submitting the application form.
2. Get CRN via Kotak NetBanking
This is another smart way that Kotak provides; it is quick to recover your CRN directly from the official website of Kotak Bank without logging in and registering for an account.
Here’s what you need to do:
- Go to The Search and open the Kotak Netbanking section.
- Click on the ‘Forgot CRN’ option on the login page.
- Select ‘I Want My CRN Number’.
- Enter the full +91 10-digit mobile number, Date of Birth, and follow the step-by-step process and verify via OTP.
- Once verified, the bank will send your CRN no. to your registered email ID or Phone number.
This option is helpful if you prefer handling things online without having to contact customer care.
3. Kotak WhatsApp Banking
Kotak Mahindra Bank also offers a convenient way to get your bank information using WhatsApp. Here’s how to do it:
- Add +91 22 6600 6022 to your phone contacts.
- Open WhatsApp and send “Hi” to the number.
- From the menu that appears, select “Bank Account”, then choose “Know My CRN”.
- You will receive an OTP to your phone for verification.
- Enter the OTP, and the bank will send you a link.
- Click on the link to retrieve your CRN along with your Full name.
This method is quick and easy for those who regularly use WhatsApp.
3. Kotak Mobile Banking
If you have the Kotak Mobile Banking app, recovering is just a few taps away. Follow these steps:
- Open the Kotak Mobile Banking app.
- On the login page, tap on “Forgot CRN & Reset MPIN”.
- Follow the instructions to verify your account using a Debit card.
- Once verified, the app will show your CRN, and you can reset your MPIN if necessary.
This method is convenient if you already have the app installed and need to reset your mobile banking credentials as well.
Where do I save my CRN for future use?
Once you get your CRN by using these digital methods:
- Save it on your smartphone, you can use a password manager, or a notes app with a password.
- Write it in your private diary or file folder
- Screenshot it and store it safely
- On Your Computer and laptop with a proper password and security.
Where to Find CRN on a Debit Card?
This facility is only provided by Kotak Bank right now; if you complete your KYC and receive delivery of your debit card physically at your home address.
You can simply unbox the debit card kit and check; they are usually printed with your CRN on the back of your Debit or ATM card. Look below the magnetic stripe or near your name on the card.
What are the other alternatives to find my CRN?
Still, there are lots of alternatives to locate your Customer Relationship number. If you have your bank received documents that were provided to you when you opened your Kotak account. You may already have your CRN printed on official documents like:
- Chequebook: Your CRN is sometimes printed on your chequebook, either on the first page or on the cover.
- Passbook: The first page of your passbook usually contains your CRN number along with your account details.
- Welcome Kit: When you first opened your account, the welcome kit included various details, including your CRN No.
- Welcome Letter: After KYC, you will receive a letter on your registered email ID or a physical copy via speed post, simply check the header of it.
- Monthly Statements: If you receive monthly statements via email or post, your CRN can often be found on the statement. Check any of your old and new statements.
Lost documents? Kotak Phone banking
In case your documents are lost or you just opened an account, your documents have not been delivered yet, still, you can find your CRN with the help of Kotak customer care.
- You can call their latest Toll-free no. 1860 266 0811 (from 8:00 AM to 8:00 PM, Monday to Sunday, excluding Bank holidays). If your CRN is related to a Credit card account, you can call 1860 266 2666.
How to get the CRN of my Credit card account only?
If you have only a credit card with Kotak Bank, not an active savings account, and are looking for a CRN to activate the card.
- Check the back of your credit card just below the CVC code.
- When Kotak delivers your credit card, they give you an attached paper with your credit limit, and check the header of that letter.
Additional FAQs –
Is the CRN the same as the customer ID?
Yes, CRN is commonly referred to as Customer ID in Kotak systems.
Can I get a CRN if I only have a Kotak credit card?
Yes, Kotak still assigns a CRN even if you only hold a credit card with them. It’s on the card or welcome letter.
Can I retrieve my CRN if I lost my registered mobile number?
Yes! If you are already using the Kotak mobile banking app, simply log in and tap on the menu to view your CIF No., If not, visit the nearest Kotak branch with ID proof. They will help you update your number and recover your CRN.
Does a Kotak 811 account also have a CRN?
Absolutely. Every Kotak 811 digital account comes with a unique 9-digit CRN, just like a regular savings account.
No, never share your CRN and any banking information. It’s a very secret and confidential number and can be misused for account access or fraud.
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This article was written by Nanne Parmar, a fintech expert with a DCA degree and a commerce background, with 6+ years of experience in finance, fintech, and banking. Nanne has worked extensively in AI tools for banking, financial calculators, and fintech products. As the founder of EaseMoney, he focuses on making complex financial concepts simple for Indian users.
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