Updated Feb 28, 2021 | 13:17 IST NIOS ODE 2021 registration begins tomorrow, March 1 for Class 10, 12. Candidates can register online through the official site of NIOS on nios.ac.in. NIOS ODE 2021: Registration for Class 10, 12 begins tomorrow | Photo Credit: Representative Image National Institute of Open Schooling will begin the NIOS ODE 2021 registration process from tomorrow, March 1, 2021, onwards. Candidates who want to apply for NIOS On-Demand Examination would have to visit the official site of NIOS on nios.ac.in and pply. The examination Secondary and Senior Secondary courses would be conducted on March 15. As per the NIOS On-Demand exam schedule released by the Institute, exams for Secondary and Senior Secondary classes will be held four days a week at the NIOS headquarter at Noida between Tuesday and Friday from March 15 and at the regional centres three days a week from Tuesday to Thursday. the exam at the Kendriya Vidyalaya would be conducted 2 days a week – on Wednesday and Thursday. Candidates who want to apply for the exam can follow these simple steps given below.