Nowadays most students are taking online classes because online education is the only medium which can help students in today's scenario as everyone knows that due various infectious diseases like in recent time, you can see the example of covid-19, due to this infectious disease students who want to take classes can take their classes because of this disease, all the schools, colleges and universities have been shut, hence the online mode of education is being helpful to those who are willing to complete their education without going out, that is why, most institutes, universities, colleges and coaching institutes are trying to implement online mode of education to all those students who want to study.