This report delves into the realm of Business Intelligence (BI) and Information Systems (IS), exploring their crucial roles in modern business operations. It begins by examining the functions of MIS infrastructure, including building, deploying, using, and sharing resources, and then discusses the characteristics of agile MIS infrastructure, such as accessibility, availability, maintainability, portability, reliability, scalability, and usability. The report also outlines the components of sustainable MIS infrastructure, encompassing social, economic, and environmental dimensions, and highlights the significance of grid, cloud, and virtualized computing. Furthermore, it analyzes various e-business strategies, including innovation, analytics, retailer's excellence, consumer experience, audits, and training, while emphasizing the impact of big data, data analytics, and the importance of effective communication and information management. The report concludes by underscoring the benefits of BI for decision-making and problem-solving, along with the increasing adoption of BI in businesses due to its advantages. The report is supported by multiple references to academic research to back up its claims.