The purpose of the study was to find out the effect of yoga practices on selected PCOS symptoms related variables among women students with polycystic ovary syndrome. To achieve the purpose of the study, thirty (30) women students with polycystic ovary syndrome were selected randomly 18 to 25 years of age from departments and affiliated colleges of Bharathiar University, Coimbatore, Tamil Nadu.The selected subjects were divided into two equal groups namely experimental and control group of 15 subjects each. The training period was limited to twelve weeks and for five days per week. The yoga practices were selected as independent variables and Alopecia (Slap hair loss), Hirsutism-Excessive hair growth and Menstrual Irregularities were selected as dependent variables and it was measured by Savin Scale for androgenic alopecia 1994, Modified Ferriman –Gallway Scale 1961 and Rhinessa women Questionnaire respectively. All the subjects were tested two days before and immediately after the experimental period on the selected dependent variables. The obtained data from the experimental group and control group before and after the experimental period were statistically analyzed with dependent ‘t’-test to find out significant improvements. The level of significance was fixed at 0.05 level confidence for all the cases. Significant improvement was found on Alopecia (Slap hair loss), Hirsutism-Excessive hair growth and Menstrual Irregularities of experimental group due to the effect of yoga practices when compared to the control group.