Yoga is an ancient Indian Philosophy. The purpose of the study was to evaluate psychological response and to find out the changes in reaction time, following the Yoga and aerobic dance practices. The total subjects were 120 divided into four groups and their age ranges from 12–16 years. The duration of total practice period were 6 weeks (3 days in a week for 30 minutes). Pretest and post test data were analyzed by paired ‘t’ test method. For obtaining the significant differences ANCOVA method was adopted (Garrett, 1981). The organised Yoga and aerobic dance program definitely improved their performance in selected psychological potentialities.