International English Language Test System is a standard and globally recognized test that is conducted by the British council. This test has 4 modules: listening, reading, writing, and speaking. IELTS has overall 9 bands and the student has to achieve the required band set by the course or university.
IELTS is of two categories the general category and the academic category. General is for those who are going abroad for job purposes or migration. And academic IELTS is for those who are going to pursue their higher studies in the universities of the UK