The main objective of this is to review the literature to know about MOOCs and its role in Higher Education. It explains briefly about how internet is becoming an integral part of Higher Education in the current scenario. Effectiveness of E-learning with help of case studies, collaborative learning, student's satisfaction, comparative study of MOOCs around theworld, understanding MOOCs, its history and evolution in detail, types of MOOCs in detail and drawbacks of MOOCs hasbeen discussed in this review article.