Management Information Systems is a comprehensive textbook designed to meet the needs of post graduate management students. The book elaborates on how information systems (IS), supported by information technology (IT), help businesses gain competitive advantage and meet corporate objectives. Divided into five parts, the first part 'Concepts and Structures of MIS' elaborates on the basic concepts of IS, strategic advantage of IT, and corporate decision making. The second part 'IT Infrastructure' covers various hardware, software, database, and telecommunication components. The third part 'Business Applications' throws light on enterprise applications, enterprise systems, electronic commerce. Special care has been taken to explain decision support systems, knowledge management, and intelligent systems. The fourth part 'Development of MIS' underlines IS planning and development and implementing IT solutions. The last part 'Management and Challenges of MIS' touches upon the societal impact of IT, security aspects, and explains IS in the context of managing global businesses. With its problem-solving approach and user-friendly presentation, the book will be useful to management students as well as professionals.