OUN runs on a full-term basis with flexible terms. flexible in the sense that individuals are allowed to progress at own will's pace. In order words, students are free to choose how they progress in their academic curriculum. A student can skip a semester or a session if he/she is facing financial constraint click here to read the full post: http://www.nounguide.com/2019/02/national-open-university-mode-of-education.html