The key to success in IELTS is practice, practice and practice, even if your English is quite fluent, you need to familiarize yourself with the structure of each section, to know what to expect and to be aware of the type of the content you will encounter with during the exam. Try as many practice tests as you can before the exam.

For exam registration, locations and schedule visit IELTS official site. Here is some advice for the test day.

You can find wide range of IELTS preparation materials in British Council libraries in your country. Here you can also find some helpful exercises and practice tests, along with useful hints and advices.