I want to start my reply by wishing you a good luck on your test ahead.... So IELTS is one of the english language proficiency test and usually its given by the British council it got a payment of around 6000 ETB last time i checked and they test your basic 4 language skills and put it in what they call bands ... 7 or above is 👍 you can get materials online or you can signup and study in the council.....