... points has been discussed in detail sequence vice. Some of the contents have been taken from different resources. All the references and bibliography has been given at the end. Mankind, by nature, has been occurred curious about it's surrounding. Even from very beginning of mankind history, human being started exploring the things around and tried to make the life easier for itself. Man discovered the fire by striking two stones together. With the passage of time man has been discovering the facts. Though during this all process of human development, research was not arranged to know about a particular facts. But infect it was a research. Later when universities and institutes came into being, they started 'arranged research' in the different fields of knowledge. Even researches have been conducted on 'research' itself to improve the method of reaching. The hyper dictionary defines research as: "A systematic investigation to search facts" Ref ...

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