This research book, published under the pseudonym SEKIZHAR, is by Yan My M.O.L. Is part of an English research book prepared for the degree. The SEKIZHAR (according to the research method of the German historian Van Rankey) (1) visited all the places where the Nayans lived and learned all over Tamil Nadu. (3) one who examines old texts and accepts only relevant references (Internal and External Criticism); (4) The researcher is well aware of the news that he visited the paintings, sculptures, images, temples, etc. of his time and made the necessary notes. It would not be wrong to say that many aspects of the scientific research method that Manotard calls the black element today can be traced back to the SEKIZHAR who lived in the twelfth century AD. All these notes can be found briefly in this book.