Modern-day Service Management practices in Information Technology are dynamic in terms of demand and usage. End users and large institutions are always in search of latest updates and security features for their IT Infrastructures, Hardware and Softwares. Technology has grown a lot more complexed than what it used to be in initial phases. Most of the IT organizations are applying Project Management practices to meet the market demand. ITIL® certified professional are playing key roles in complying with the ever time high demands. There are many other practices like PMP®, PRINCE, Agile etc. that guide on handling critical situations with their respective Project Management flow. Consequently, the students and new age professionals face challenges in what method to apply for their learnings and project management practices.It's indeed a very challenging aspect of IT Service Management profile where multi-dimensional development or service tasks are performed. IT Infrastructure is essential for almost every domain such as Banking, Finance, Retail, Insurance, Automobile, Power, Aviation, Oil and Gas etc. With so many different Project Management methods or practices available to choose from, ITIL® is one of the key guidelines. Information Technology Infrastructure Library aka ITIL® is a standard set of ITSM publications released by UK Government's Central Computer and Telecommunications Agency in the 1980s. When ITIL® was released, there were no such practices available to manage the IT Services. The Best Practices kept on flowing into the ITIL® publications with the Technological improvements. Based on the timely releases of ITSM publications, ITIL® managed to stay alive as one of the key Project Management practice. Since the topic is so vast in nature, it will be tougher to really answer all queries so making the language as simple as possible will be helpful for readers. In this book, I am trying to provide simple insights to highlight ITIL® values and what professionals can expect from it. I hope that readers will get benefits in some way from this book.