Here you can get most of your questions answered, Just pick a topic and get answers for your questions.
Ques: I forgot my username? How can I recover it?
Ans: From the homepage, navigate to main menu and click on "Login". When the login page loads, you will find an option there to recover your username. Click on it and enter your registered-mail address and then submit. After that you will receive an email with further steps and process.