This book provides (a) students with good in-depth and complete study material that is easy to learn and gain mastery of the subject of 'LIC', subscribing fully to university course syllabus and later in their professional career, (b) teaching faculty find complete subject material easy to impart in the classrooms and build strong foundation for the students, and (c) practitioners in the area who need to refer back to a seemingly simple concept that needs clarity and reinforcement while working on live projects