Objectives: Memory is major tool for an individual to achieve successful career in this competitive world. The present era created lot of stress, anxiety and disturbance in sleep, which adversely affect individual performance. Hence, we evaluated the effect of six months yoga training on short term memory in school going boys. Materials and Methods:This was a cross sectional study involving 40 yoga trained and 40 yoga untrained school going boys aged 11 - 15 yrs. Short term memory evaluation was done using various memory tests. Results:We observed that there was a statistically significant increase in short term memory quotient in yoga trained when compared to yoga untrained group. Conclusion: The present study showed that thesix months of yoga training showed significant improvement in short term memory