Prior to treatment of any patient, the physician should examine the prognosis of the patient. If physician treats any untreatable patient due wrong assessment of the condition of patient; he may lose his name, fame and money. Charaka Samhitha which is one of the prime source of knowledge for science of Ayurveda has a section called “The Indriya Sthana” which is dedicated to ensure that the physician does not misjudge the condition of his patients. In Indriya Sthana the knowledge of Arista Lakshana is divided in twelve chapters. Prior to the explanation of Arista Lakshanas any scholar should have the knowledge of Prakriti and Vikriti. These Prakriti are of six types the first among these is the Jati Prasakta Prakriti. The available Anthropological data reveals that there is a typical similarity among the individuals of same ethnical groups.