You should know the five way benefits of IELTS from surya's blog

The British Council and Harvard English Language Assessment (formerly known as UCLES) introduced its English Language Testing Program (Toefl), or IELTS, in 1980. Its novel structure reflected the evolution of "communicative" language learning and "English for specified purposes," among other changes in language teaching and learning. The purpose of the test tasks was to simulate how English is used in the "real world." The 1980s saw low test taker numbers (4,000 in 1981 increasing to 1 million in 1985) and logistical challenges with the test's administration. You should know the five way benefits of IELTS