Guide to Block Credit Cards from Fraud Usage with Web Online CA 

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How to Block Credit Card Online in India

  • By Web Online CA
  • 4 min read
  • Updated On 21-February-2026

How to Block Credit Card?

There are lot of ways you can block credit card. Some of them are listed below:

Netbanking: All credit card companies provide the facility of Netbanking for its customers. Some banks allow you to temporarily block the credit cards via this method. Login to your Netbanking account. Then go to the credit cards section and click on block credit card.

Customer Care: Each credit card company has 24*7 support service facilities for their customers. Simply call on the customer care helpline number. Once connected, request to customer care representative for block credit card then he will ask you a few questions to establish your identity and then block the credit card.

Send an SMS: Banks allow customers to block their credit cards though SMS. The numbers given on the official website of the bank. You can send an SMS for your request to block the credit card on that numbers. Note that such SMS must be sent from your registered mobile number.

Mobile App: Almost all banks have a mobile application through which you can manage your account. You can use the app to block your credit card. The process is usually similar to net banking.

Visit the Branch: If you are comfortable, You have the option to visit the bank's branch and block credit card. All you will need to do is to file a written request and submit it to the bank officials, and your credit card will be blocked.

How to Secure Credit Card form Fraud Usage?

- Save the customer care number of your credit card on your mobile

- Don't share your credit card PIN

- Don’t save credit card information online

- Use only seucre website for online transactions that use https.

- Check the receipt to ensure you are charged the right amount

- Do not carry all your credit cards with you

- Use licensed antivirus software on your personal computer

- Set different PINs on different credit cards

- Avoid using public computers to conduct online transactions

Frequently Asked Questions

You can block your credit card instantly via your bank's mobile app, customer care call, internet banking, or sometimes SMS.

Blocking your card prevents new charges from being authorized, protecting you from additional unauthorized transactions.

No. Blocking a lost or stolen credit card is typically free, but replacement card fees may apply per your bank's policy.

Most digital methods (app, net banking) block the card immediately; phone requests are usually processed within minutes.

Your bank will prevent further use of that card and issue a replacement with a new number. You may need to update auto-payments linked to the old card.

No. Once blocked, the card cannot be used for any transaction - online or offline.
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