Banking in Bangladesh is still in the early stages of growth and development. Competition and Changes in technology have changed the face of Banking. Electronic banking is the use of computer to retrieve and process banking data and to initiate transactions directly with a bank via a telecommunication network. Now a day's due to emerging global economy, e-commerce and e-business have increasingly become a necessary component of business strategy and a strong catalyst for economic development. The new information technology is becoming an important factor in the future development of financial services industry, and especially banking industry. E-banking has to be a delivery channel that replicates and replaces many of the physical functions a bank currently performs. Hence, the E-banking now becomes a virtual banking counter that the individual and corporate customer to carry out the regular activities. At present the banks in Bangladesh are using the limited electronics banking services. E-banking product and services include wholesale products for corporate customers as well as retail and fiduciary product for individual customers. The aim of this paper is to provide an overview of e-banking adoption in Bangladesh with a study on electronic banking in Bangladesh of Opportunities and Challenges.