E-Commerce involves an online transaction. It refers to the online trade of products & services. It provides benefits to the consumers in the form of goods at various prices, variety of goods available and saves time also. The E-Commerce market is large & yet to be explored in India. There are so many companies who have made a remarkable beginning and there are so many who can tap the unexplored area. The success for online business depends upon the understanding of the market and consumer satisfaction like any other kind of business. But the fact should not be ignored that the system should be technically enabled to understand the whole scenario of E-Commerce. Information technology is the base of E-Commerce. There are various factors that are estimated for the growth of Indian E-Commerce. This paper will discuss the challenges and opportunities for the marketers in-depth. The study will throw light on the fact that Indian market has the potential to explore and it is an emerging market. India is second largest user of internet, but still there is scope for the business men to use this as an opportunity in their favor. Information technology has the biggest role in the expansion of E-Commerce.