Under literature survey or related works, eight to fifteen papers are searched based on the base paper provided. Importantly papers used in related works/literature survey mustn’t be used in any other part/section of the paper. The reason for a literature review is to analyze your educational sources, assess and examine them, reach determinations and distinguish any learning gaps.Then the methods used in each paper and its achievements are mentioned. Similarly the advantages and disadvantages of each paper added to related works/literature survey is also revealed.