If you are unable to sign into your account simply reset the password to try to login with OTP. If you are using the registered email address, try resetting the password. Click on Forgot your Password option- enter your registered email address and click on Send OTP. The OTP will be sent as SMS and Email.
Enter the OTP and create a new password (minimum 6 characters and at least 1 number).
Congratulations, you will be successfully logged in and your password will be changed.