Chapter-wise Reference Book: These reference books contain a chapter-wise bifurcation of the courses based on the IGNOU syllabus. This format allows for Easy Study of each chapter/unit of this subject. Solved Sample Question Papers: Our Neeraj Books include Many Solved Sample Question Papers based on previous year question papers of IGNOU. This feature of our Neeraj Book is beneficial for Exam Preparation, giving students an idea of the type and format of questions asked in exams and how to prepare their answers. Theoretical Explanation of Every Chapter: Every chapter has a brief theory section that explains that particular topic in easy and reader-friendly language. Important Questions with Answers: Each chapter includes answers to terminal questions based on IGNOU Study Material as well as some other important questions with their answers, which gives extended knowledge of that particular chapter/unit.