International English Language Testing System is the most popular and widely accepted test of English Language. More than three million candidates take IELTS annually. It is jointly owned by the British Council, IDP: IELTS Australia and Cambridge English Language Assessment.
IELTS assesses all four modules of English communication — reading, writing, listening and speaking, and is designed to reflect how a candidate use English at study, at work, and at play, in his new life abroad.
Final Scoring is described in Bands, varying from 1 to 9.