International English Language Testing System, popularly known as IELTS is a competitive test that tests the English Language proficiency of a candidate. IELTS test is conducted in the form of IELTS Academic and IELTS General and offers students a choice between Paper-Based and Computer-Based modes of delivery. It is divided into 4 segments namely Listening, Reading, Writing and Reading. Each module is marked on a band score of 1-9, and an average of the four modules is generated to determine the overall band score. IELTS test is normally 3 hours long in duration and is governed by British Council and IDP Education.

Test of English as a Foreign Language, commonly referred to as TOEFL, is a high-standard English test that tests language proficiency and fluency of a candidate. The unique factor about the TOEFL test is that it can be taken from a test centre or at the privacy of your home. Like IELTS, TOEFL is also divided into 4 sections and each section is marked on a scale of 0-30. Educational Testing Service (ETS) organization administers the TOEFL test. 

Pearson test of English, also known as PTE, is an English language test that proves a candidate’s English competency. PTE tests consist of PTE- Academic and PTE- General. It is a computer-based test and is divided into 3 sections namely Speaking and Writing, Reading, and Listening. PTE tests is graded on a scale of 10-90.