Login to your account by entering your credentials.
Open the “Profile” section of internet banking.
Look for “Email Address” or “Email ID”.
Click on the “Edit” or “Update” button.
Enter your new email address.
Click on the “Submit” button.
Normally you will find the option to update this detail in the profile section. So I recommend you to look for this option both in mobile banking and internet banking. And make sure that you never share your account details like username, password, and OTP with anyone. For more information, you can call the customer care of the bank on 1800 1200 1200. (toll-free)