To study the effect of brain gym exercises on the attention span in young adults. Purpose: to determine whether the brain gym exercises will improve the attention span in young adult’s age between 18 to 24.Study design: an interventional study. Procedure: ethical approval taken from the ethical committee. 60 subjects were selected according to inclusion criteria out of all the subjects has completed the study. Approval and written consent taken from all the subjects. Pre-interventional attention span calculated by mindful attention awareness scale then brain gym exercises were thought to the subjects and continued for 1 month. The outcome measure for the subjects was the mindful attention awareness scale. Result: the data collected were statistically analyzed by paired t-test. From the result of the statistics, the attention span of the subjects was increased significantly (p=0.0005) conclusion: this study concludes that brain gym exercises are effective in the improvement of the attention span in young adults.