What is a good IELTS score?

What score you need is decided by the respective university, but 6 band score is a standard score, Some competitive universities ask for more than 6 band score when some university asks less than 6.

Why do I need IELTS?

If you intend to go to one of the English speaking countries like England, Canada, Australia or New Zealand as a student, one of the requirements of their university is to have IELTS score or if you want to apply for permanent residency to some of these countries IELTS help get some points too.