Indian Overseas Bank Updating my cellphone number; my account has online banking enabled. I had included my contact number when I applied for internet banking. However my account has not been changed. My e-banking account edutec.in was momentarily frozen, and to change the password, Indian Overseas Bank Updating my cellphone number; my account has online banking enabled. I had included my contact number when I applied for internet banking. However my account has not been changed. My e-banking account was momentarily frozen, and to change the password,