Visit the Kotak Mahindra Bank credit card activation page or use the Kotak Mobile Banking app
Log in with your registered mobile number or customer ID
Select your credit card from the list
Enter the required details such as card number, expiry date, and CVV if asked
Verify the OTP sent to your registered mobile number
Set your ATM PIN or card PIN if prompted
Confirm activation and wait for the success message
Call Kotak customer care and follow the IVR instructions for card activation
Visit the nearest Kotak branch if online activation is not working