International English Language Testing System (IELTS), is an international standardised test of English language proficiency, designed to assess the language ability of candidates wishing to study or train in the foreign countries where it is used as a medium of communication. More than 120 countries across the world, Close to 5,000 education institutions, faculties, government agencies and professional organizations accept IELTS scores for admission, training programs as well as for immigration purposes.

In Australia, the IELTS is mandatory to obtain a student visa, and the scores are also accepted by some US & UK Universities, Canada, New Zealand, Dubai, Singapore etc.

The Test of English as a Foreign Language (TOEFL) evaluates the potential success of an individual to use and understand academic English at a college level, the test was initially developed to measure the English proficiency of international students wishing to study at colleges and universities in the United States and Canada, and this continues to be its primary function. Additionally, institutions such as government agencies, businesses, or scholarship programs may require this test.

The TOEFL test is a registered trademark of Educational Testing Service (ETS) and is administered in 180 countries at more than 1275 test sites.

The Graduate Management Admission Test is a computer adaptive standardized test, conducted to measure one's verbal, quantitative & analytical skills. It is conducted throughout the year, to be taken by the students who want to pursue their Master in Management or Business oriented studies, and it can be given at various locations around the world.

This test is being used by many universities as one of the criteria for admission into their MBA program; now this test is a decisive part for admissions in more than 4000 graduate programs in 1800 schools around the world

GMAT is a Computer Adaptive Test (CAT). The Computer Adaptive Test as the name suggests picks the questions based on the test taker's response to the given question.

Graduate Record Examination (GRE) is a standardized test that is an admissions requirement for many graduate schools, is supposed to be taken up by those students who wish to pursue higher education principally in the United States, but also in other English speaking countries such as Canada, Australia & New Zealand etc. It is designed to measure verbal reasoning, quantitative reasoning, critical thinking, and analytical writing skills that have been acquired over a long period of time and that are not related to any specific field of study.

Created and administered by Educational Testing Service (ETS), It is typically a computer-based exam that is administered by select qualified testing centers; In the graduate school admissions process, the level of emphasis that is placed upon GRE scores. Besides, the General GRE, sometimes, a student may be required to take up subject GRE too if demanded by the Institution for specialized courses like History, Physics, Biology etc.

In addition to an admission criterion, schools often use GRE scores to determine eligibility for merit-based grants and fellowships, as well as teaching and research assistantships. Many programs, especially those at large state schools, establish cutoff points for GRE scores to limit the application pool, while others use GRE scores to directly determine how much financial support you receive. Investing time and effort in preparing for the GRE today can help you get into the grad school of your choice and can greatly increase your chances of getting financial aid.

The SAT Reasoning Test is a standardized test for college admissions in the United States. It is designed to evaluate the verbal, mathematical and reasoning skills of students, which are needed to complete the academic successfully. Most undergraduate programs in the US require you to take the SAT, and many colleges and universities find SAT as a more credible test for predicting the student’s competence.

The SAT is owned, published, and developed by the College Board, a non-profit organization in the United States, The current SAT Reasoning Test is administered in about four and one half hours

Every year around 2 million students take SAT , In 2005, the test was renamed as "SAT Reasoning Test" with possible scores from 600 to 2400 combining test results from three 800-point sections (math, critical reading, and writing), along with other subsections scored separately.

The SAT is classified into two types:

• The SAT Reasoning Test (formerly SAT I)
• The SAT Subject Test (formerly SAT II)