This paper is about the literature survey done on the various significant Applications of Data Mining. Many fields have recognized that application of Data Mining Tools and Techniques have yielded a better result for their useful decision making. Now, since there is a large explosion of data and the data & information are becoming too complex, a better and efficient Data Mining Techniques have to be thought of. Hence, through this survey, one could understand how Data Mining has helped various applications in finding useful knowledges.