Banking sector is expanding its hand in different events every day. At the same time the banking process is becoming faster, easier, and the banking area becoming wider. As the demand for better service increases day by day, they are coming with different innovative ideas and products. In order to survive in the competitive field of the banking sector, all banking organization are looking for better service opportunity to provide their fellow clients. As a result, it has become essential for every person to have some idea on the bank and banking procedure. National Bank Ltd. Believes in the vision of together, towards, tomorrow. To achieve the desire goal the bank is showing the excellence at all stages with a climate of continuous improvement. Banks strategic plans and networking will strengthen its competitive performance over others in this rapidly changing competitive environment. In chapter one I have discussed about the introduction, Rationale of the study, Background of the report, Objective of the report. The overall objective and mission of my report was to represent the Export Import Bank of Bangladesh Ltd. and to have a clear conception about all the essential parts of the internship program. I hope this report, although its many limitations will be a gateway to have a clear concept about the foreign exchange activities of National Bank Ltd. In chapter two, I have discussed about the work related activities like Account Opening, cash deposit and withdrawal, checking transaction entry and also Organizations Wide Activities Account Authorization, Cash Deposit and Withdrawal, Customer Service and CRM etc. of Export Import Bank of Bangladesh Ltd. In chapter three I have discussed about the constraints/challenges and proposed course of action for improvement of National Bank ltd where discuss the observed in the organization, missing knowledge and skills, academic preparation. In chapter four I present the Lessons that I Learned from the Internship Program. In chapter five and six I discuss concluding statements where the total Summary of the report and the Suggestions addressing the challenges identified. Like this way I present the things that I learn during my internship in National Bank Ltd. The overall objective of my report was to represent the Export Import Bank of Bangladesh Ltd. and to have a clear conception about all the essential parts of the internship program. As I work there for a little time so I represent the information that I observe within this short time.