E-Commerce is a new game changer to retail competition, the delivery and undoubtedly the leadership. During this age of the internet, E-Commerce is not limited simply to sale and buy the products, rather it involves now development of the Product, its marketing, its selling and delivery, and providing the product related services. It also extended to buying from the world market. The E-commerce now a days can be categorized into various categories such as Business to customer (Amazone, Flipkart), Customer to Business, Business to Business, Customer to Customer (Olx), Business to Government. M-Commerce etc. E-Commerce has advantages further as limitations for buyers additionally as sellers on the Internet. However the benefits' out weight the constraints, especially just in case of enormous business, thus leading to more and more business adopting. E- Commerce for his or her business activities. Further the business pressure in the type of market and economic pressures, societal and environment pressures and technological Pressures are forcing companies to interact in E- Commerce. Also there are companies to interact in E-Commerce. Also there are legal and ethical issues Surrounding E-Commerce. There’s no definite legal frame work for E-Commerce. Major issues include privacy, protecting property, making control on internet indecency such as fraud, setting out the jurisdiction in case of dispute, safeguard of buyers and sellers. Many policies are introduced and groups and organizations and continuously working towards legalizing E-commerce as fast as possible. This Research work has been undertaken with the target to search out out the how E-Commerce Business is impacting the Retail business and the way it transform the physical market into online market.

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Keywords: E-Commerce, Business, Preferences, Information, Buying, Selling, Tele-Communication.