The survey was initially planned to be conducted during the period January-December, 2020 but the field work was extended till August 15, 2021, due to the Covid-19 pandemic. The NSSO carried out the survey covering the entire country in its 78th round. The survey said that 34.9 % persons aged 15-29 years were in formal and non-formal education and training for the 12 months preceding the survey.