Internet has become powerful and basic tool for every person's need and the way people work by integrating various online management tools using internet, online shopping has made it easy for everyone with their product variations and simple way to buy things. An attempt has been made critically to examine and compare various aspects such as customer satisfaction, product range, user experiences, market share, customer service and many more of two big E-tailors i.e. Flipkart and Amazon. Amazon is a global e-commerce and technology conglomerate founded by Jeff Bezos in 1994. It started as an online bookstore and has since evolved into one of the world's largest online retailers. On the other hand Flipkart is a prominent Indian e-commerce company founded by Sachin Bansal and Binny Bansal in 2007. Initially an online bookstore, it has grown to become a comprehensive online marketplace offering a wide array of products. Both these big players have made their own mark in India, but who is going to be ultimate winner? or be the top one, is going to be “A COMPARATIVE STUDY ON AMAZON AND FLIPKART” which delivers the information about the different strategies that helped the company to be successful in e- commerce market. Keywords: Product Authenticity, Customer Service, Consumer Attitude, Consumer Perception.