In the present scenario, many students pay attention to on demand examinations for different purposes. Students who fail in class 10 and 12 can take admission from NIOS and reappear in the exam. It is suitable for students who fail CBSE, ICSE, or any state board. The national institute of open schooling offers a flexible system to candidates and gives them a wonderful opportunity. You can get complete information about the admission process, eligibility criteria, NIOS on demand exam fees, and others on the official site. The official site is the best source to gather all the necessary information.