NAC-Tech(NASSCOM Assessment of Competence-Technology) test is
National Talent Search Examination or NTSE is an annual examination conducted on a national level by NCERT.
The Graduate Record Examination (GRE) is an exam attempted by undergraduates from all over the world to get admissions
The Indian National Mathematical Olympiad (INMO) is a high school mathematics competition
SAT subject tests are subject-specific standardized tests