Hi, National Institute of Open Schooling will launch the day sheet for June 2021 exams in May 2021. NIOS 12th exam date sheet 2021 is released online to the Formal Web site nios.ac.in. Since the month of April is ending and the Might is going to start it is http://do-my-course88766.post-blogs.com/24549393/the-basic-principles-of-do-my-online-class