new delhi national institute of open schooling nios will conduct the public exam theory for secondary and senior secondary courses will be held from november 12 for all india and from november 11 for overseas learnersnios has issued the date sheets of the october november examination on its official website candidates who are appearing for the exam can visit the official website of nios niosacin to check and download the nios date sheet the public examination theory of nios for octnov 2021 for secondary and senior secondary courses is scheduled from 12112021 at identified exam centres for all india and from 11112021 for overseas learners s k prasad the director said in a notice issued on tuesdayall the regional directors are requested to upload the date sheet of theory examination at the regional centre website and also issue press release in the local diaries it added