Abstract: During the time of covid-19 whole education system has shifted from offline mode to online mode which plays a vital role in the increasing stress, anxiety, depression and other mental problem among the students, teachers, and parents. Because they all are not familiar with the online education system. So in this scenario, we should know that how much they all are aware and capable to use different online tools and courses like swayam, Courera, edu, NPTEL, YouTube, etc with their economic condition, infrastructure, and mental health too. Are they able to continue their learning during this scenario? Due to lack of awareness they all are getting mentally disturbed. In this situation, they all need support from our government because for the present situation they were not prepared from earlier. A survey was conducted by us in Uttar Pradesh to analyze the effect of lockdown on students (age 15-35 years), teachers and parents (total 162 respondents) belongs from urban and rural areas through Google form during Sep – Oct month2020. So that most of the responses come from Uttar Pradesh and the city Lucknow. Through this survey we draw the different factors like not comfortable, privacy concerns, not aware, sleeping pattern, lazier, stressful, worried, eye problem, digital screens, burden of work, and disrespectful behavior which somewhere affect the mental health and behavior of the respondents. We have also taken response to rating online education system and examination at the likert scales 1(poor) — 5(excellent). This paper will help to know what the reasons behind the above mention factors are. We have find out the proportion of students, teachers, and parents who are facing different types of mental problems, and we are trying to show finding of the survey with the help of different graphs also. Keywords: Online higher education system, different factors affect mental health, the problem faces by the students, teachers, and parents, awareness about online courses, the suggestion for the government.