What is CMI Entrance Exam? The Chennai Mathematical Institue (CMI) conducts a written entrance exam at a national level for offering admissions in Bachelor of Science (BSc) courses in Mathematics, Computer Sciences and Physics and, the Master of Science (MSc) in Mathematics, Computer Sciences, Data Sciences. Admissions for 2020–2021 CMI entrance examination details · CMI entrance examination details: The entrance exam will be held on Sunday, 4 October, 2020. Note: From 2013, the BSc (Hons) Mathematics and Computer Science entrance examination has a slightly different pattern from previous years. There is no separate CMI entrance examination for Ph. Well I Cleared Both ISI and CMI Exam.