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Kotak Bank Credit Card Customer Care Number

Kotak credit card customer care is available 24x7 on the toll-free number 1800 4100 for card blocking, billing queries, and service requests, or 1800 209 0000 for fraud and lost or stolen cards. Mobile banking, net banking, SMS, and live chat cover most other requests without a call. 

Updated On - 23 Sep 2026

This guide provides the latest Kotak credit card helpline numbers, international contact options, blocking methods, grievance process, and SMS banking services.

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Kotak Mahindra Bank 24/7 Toll-Free Customer Care Numbers

Below are key helpline numbers available round-the-clock:

Kotak Number

Purpose

1800 4100

All Banking Needs, Complaints & Resolution (All Customers, incl. Credit Cards)

1800 4100

Banking & Credit Card Complaints (For Existing & New Customers)

1800 209 0000

Fraud or Unauthorized Transactions

1800 4100

NETC FASTag Services

These numbers allow you to:

  • Block lost or stolen cards
  • Report fraud immediately
  • Raise complaints
  • Check transaction issues
  • Get urgent banking assistance
  • Loan-related support
Helpline details for Kotak Bank credit card services

Kotak Credit Card Customer Support Numbers With Timed Availability

Some departments operate during defined business hours for specialized assistance.

Number

Service

Working Hours

1800 4100

Kotak 811 Account

8 AM – 8 PM (excluding bank holidays)

1800 4100

Car / Two-Wheeler Loan

9:30 AM – 6:30 PM

1800 4100

Gold Loan

9:30 AM – 7 PM

1800 4100

Smart EMI / Debit EMI

9 AM – 8 PM (Mon–Sat)

1800 4100

Agri SME Business

9:30 AM – 6:30 PM

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What To Do in Case of Lost or Stolen Kotak Credit Card?

If your card is lost or stolen, act immediately. Call Immediately to:

Your card will be blocked to prevent misuse, and a replacement card will be issued.

How to Block Kotak Credit Card (Online Methods)

You can also block your Kotak credit card instantly online, without visiting a branch, by verifying your details with an OTP and selecting the card to block on Kotak's website.

Through Mobile Banking

  1. Log in to Kotak Mobile Banking
  2. Go to Service Request
  3. Select Credit Card Requests
  4. Choose Report Lost/Damaged Card

Through Net Banking

  1. Login to Net Banking
  2. Go to Service Requests
  3. Select Report Lost Card
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Through SMS

Send 'KCCLOST <last 4 digits of your card>' by SMS to 5676788 to block your Kotak credit card instantly. 

Report Fraudulent Transactions on Kotak Credit Card

For any unauthorized transaction, call: 1800 209 0000 (Available 24/7)

You can also email the security team at: itsecurity.bank@kotak.com

You can also report the fraud directly through Kotak's secure online fraud-reporting and dispute portal, accessible via net banking, the mobile banking app, or the bank's website. 

Online transactions use a dynamic six-digit OTP (One Time Password) generated for each transaction. Never share your OTP with anyone, even Kotak staff or family, as it is unique to that single transaction. 

Kotak Mahindra Bank International Helpline (For NRI Customers)

Customers outside India can contact: +91 22 6204 2001 (24/7, paid number)

Toll-Free Numbers by Country

Country

Toll-Free Number

USA

1855-3656767

UK

0080044990000

Canada

18557684020

Australia

001180044990000

UAE

80001830148

Singapore

+658001013054

Hong Kong

00180044990000

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Kotak Mahindra Bank SMS Banking Services

Send SMS from your registered mobile number to 9971056767 or 5676788.

Service

SMS Format

Account Balance

BAL

Last 3 Transactions

TXN XXXX

Activate Debit Card

DCUNBLOCK XXXX

Generate Debit PIN

DEBITPIN XXXX

Enable International Usage

DCENB XXXX

Activate POS

POSACT XXXX

Nearest ATM

ATM Pincode

Nearest Branch

BRANCH Pincode

(XXXX = last 4 digits of your card/account)

Alternative Contact & Support Methods

Download the Kotak Bank App or Kotak811 App from the App Store or Google Play to manage your credit card, check balances, pay bills, and report issues 24/7 without calling customer care. 

Connect with Kotak credit card support via live chat on kotak.bank.in, or reach out on social media (Facebook: facebook.com/KotakBank or Twitter: twitter.com/kotakbankltd) for quick assistance during business hours. 

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Kotak Mahindra Bank Credit Card Grievance Redressal Process

If your issue is unresolved, you can escalate it through structured levels.

Level 1 – Contact Centre

  • Register complaint online
  • Call the toll-free number 1800 4100 (24x7), or request a call-back through Help & Support on the Kotak Bank Mobile App 
  • Visit branch
  • Send post to bank’s registered address

Level 2 – Nodal Officer

Responds within one month of the complaint being lodged; escalate via the Nodal Officer's grievance form on Kotak's website if Level 1 doesn't resolve the issue.

Level 3 – Principal Nodal Officer

Responds within one month of escalation; reach the Principal Nodal Officer through the Level 3 grievance form on Kotak's website if Level 2 remains unresolved. 

If the issue is still unresolved after Level 3, customers may approach the Banking Ombudsman.

DigiSaathi – Digital Payment Assistance

An RBI-backed initiative for digital payment support.

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Summary

Kotak Mahindra Bank credit card customers get 24/7 support through Kotak credit card customer care's toll-free numbers, mobile and net banking, SMS banking, live chat, and social media. Lost or stolen cards can be blocked instantly by phone, online, or SMS, and fraud can be reported around the clock through the dedicated fraud line or the online reporting portal. Unresolved issues can be escalated through Kotak's structured grievance process, ending with the Banking Ombudsman if required.

FAQs on Kotak Bank Credit Card Customer Care

1.What should I do if my Kotak credit card is lost or stolen?

Call Kotak credit card customer care immediately to block the card and prevent misuse. A replacement card is issued after verification, and you can also block the card instantly online or via SMS. Always check that the replacement's sealed welcome kit is intact when it arrives.

2.How do I report fraudulent or unauthorised transactions on my Kotak credit card?

Contact Kotak credit card customer care's dedicated fraud helpline right away, available 24/7, to report an unrecognised transaction. You can also raise the issue through the bank's online fraud-reporting portal so Kotak can investigate and reverse unauthorised charges within RBI-specified timelines.

3.Which number should I call for Kotak credit card support in India?

Kotak credit card customer care can be reached on the toll-free number listed in the contact table above for complaints, billing queries, and service requests. A separate toll-free number, also listed above, handles fraud reports and lost or stolen cards.

4.How can I block my Kotak credit card online?

You can block a lost or stolen Kotak credit card through Mobile Banking or Net Banking by raising a service request, or use Kotak's instant online card-blocking tool for immediate action. Kotak credit card customer care's toll-free numbers, listed above, can also block the card by phone.

5.How can NRI customers contact Kotak credit card customer care from abroad?

NRI customers can reach Kotak credit card customer care on the international helpline listed above, available 24/7 at standard call rates. Toll-free numbers are also available for several countries, listed in the table above.

6.How do I check my Kotak credit card balance or recent transactions via SMS?

Kotak credit card customer care supports SMS banking, letting you check balances and recent transactions by sending the relevant keyword to the SMS number listed above. The response arrives by SMS to your registered mobile number.

7.What is an OTP and how does it protect my Kotak credit card?

An OTP (One Time Password) is a unique code generated for each online Kotak credit card transaction. Never share your OTP with anyone, including Kotak staff or family, as it exists only for that single transaction and protects your card from misuse.

8.Can I contact Kotak credit card support via live chat or social media?

Yes, Kotak credit card customer care can be reached through live chat and through the bank's official social media channels for assistance during business hours. Mobile and net banking apps also offer round-the-clock self-service options for most requests.

9.What should I do with my old Kotak credit card after receiving a replacement?

Cut the old Kotak credit card into several pieces, through the chip and magnetic strip, before disposing of it. This protects your card number and security details from being misused if the card is found intact.

10.How does the Kotak credit card grievance redressal process work?

Kotak credit card customer care handles complaints through a structured escalation process, starting with the contact centre and moving to designated nodal officers if unresolved. If the issue still isn't resolved, customers may approach the Banking Ombudsman, as explained in the grievance section above.

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