There are two modules of the IELTS exam – Academic (Ac) and General (Gt).
It is up to you to decide which module to take and it depends on your further goals, where and how you will use the IELTS certificate.
IELTS (I - International E - English L - Language T - Testing S - System) is an international standardised testing system of English language proficiency for non-native English language speakers. The exam is usually taken for further studies, work, emigration abroad. IELTS is accepted by the majority of academic institutions in English-speaking countries and by various professional organisations across the world.
IELTS scores range from 0 to 9. After taking IELTS exam you will get your Overall band score and band scores for each of the four parts separately: Listening, Reading, Writing and Speaking. You can get either round scores or .5 scores (e.g.6.0, 7.0, 6.5, 7.5)