21st century declared to be the age of information and communication technology. This is the time when more people everywhere are involved in acquiring new knowledge and skills. The world is undergoing transformations due to rapid development of Information and Communication Technology. We can not work in the society without on-line technology. Online technology is also entered in the field of education. Electronic Learning is a subset of Distance Learning and Mobile Learning is a Subset of E-learning. E-learning and Mlearning have become extremely important buzz words of the educational technological revolution, each characterising a whole raft of ideas and resources for the tech-savvy teacher. But the two terms are not always used correctly, with some confusion about the differences between them and where they overlap. And in more complex terms, thinking about the differences between E-learning and M-learning can be particularly useful for teachers who use technology in the classroom, as it can help them to pick out which techniques are best for which education scenario. The present paper was based on secondary sources of data highlighting the comparison of concept, characteristics, advantages, disadvantages, similarities and differences between Elearning and M-learning.