Nowadays the education system has dramatically changed from traditional classroom teaching to remote online teaching due to the COVID-19 crisis. Many developed countries are adopting this novel technology 'e-Learning' to educate their students. But in the case of developing countries e-Learning is a burdensome process due to so many reasons. This is an academic research to estimate the challenges in e-Learning among various age groups of students studying in various schools, colleges and Universities during the lockdown period due to the COVID-19 crisis. The study was conducted in the southern part of India 'Tamilnadu', employing a questionnaire prepared using 'Google form'. An aggregate of 335 students participated in this survey. Some interesting facts were revealed in this study.