You should click on the Forgot Username and password button
Write your e-mail which you have previously registered and then click on the submit button, you will receive an e-mail containing your username.
An e-mail would be sent to you which informs you about your username.
Write your the e-mail which you have written during registration process and then click SUBMIT. You will receive a reset password.
Write your the Username which you have written during registration process and then click SUBMIT and a reset password is sent to your mailbox.