Data mining is a technique used for extracting the hidden database technology on a large database. Further, the medical data mining became extremely important research field due to its importance in the development of various applications in developing health care of every domain. While summarizing the deaths occurring over worldwide, the heart disease appears to be the leading cause. The identification of the possibility of heart disease in a person is a very complicated task for medical practitioners because it requires a few years of experience and intense medical tests to be conducted frequently. The main objective of this significant research work is to identify the best and suitable classification algorithm used for providing maximum accuracy when classification of normal and abnormal person is carried out. Thus the loss of lives can be controlled.