NIOS Admission Form 2021-22 : Online form of NIOS Admission Form 2021-22 has started for the students of 10th or 12th from National Institute Open Schooling . Interested students can fill their online form from the official website of NIOS. Students can apply online for Block-I of Stream-I for normal fees. NIOS conducts secondary and senior secondary examinations twice a year. In which the first event is held in March-April and the second in October-November. Students can get their form filled as per their convenience.