Opinion in research paper often includes personal thoughts, norms, feelings, evaluations, or judgments made after logically analysing the facts. In broader terms, it allows an author to persuade readers by telling them that he/she takes the right position in a particular scenario. In research, the author or researcher's opinions are of great importance. It tells the other researchers to make their own research plan in the light of these logical opinions. To further clarify the importance of author opinion in research paper, this article will answer the following questions one by one