Introduction: Yoga is one of the most common methods used as mind body therapy. Hath yoga, one of the many forms or paths of yoga, focuses on overall fitness through pranayama, asana, and meditation. Anxiety and stress are the major problems of the modern world particularly of youth and college going students. There are very few studies on effect of hath yoga on lung function and aerobic capacity of healthy young individuals and there is paucity of data on effect of yoga on quality of life in the same group. Objective: The objectives of the study were to see the effect of short term hath yoga on lung function, aerobic capacity and quality of life in healthy young individuals. Methodology: Study design: experimental study Sample size: 60 volunteers A: experimental group and B: control group. Study setting: students of the college of physiotherapy. Method Hath yoga for 4 weeks,5 days in a week for 60 minutes; including 5 minutes of relaxation-savasana and makarasana, 5 minutes of pranayam, 5-10 minutes warm up, 25-30 minutes asanas (Ardh Paschimotasana, Paschimotasana, Yogamudra, Ardhmatsy endrasana, Uttitakumarasana, Tadasana) 5-10 min savasana, cool down period. Subjects of control group were in waiting list. After 4 weeks control group was taught same hath yoga poses. Peak expiratory flow rate, 12 min walk distance, SF-36 scores were taken as pre and post data. Result: The result shows that there is statistically significant improvement in PEFR, 12 MWD, and component of SF-36 after 4 week of hath yoga practice in healthy young individuals compared to a control group at 5% significance level. Conclusion: The conclusion of the study is that Short term Hath yoga improves lung functions, aerobic capacity and quality of life in healthy young individuals compared to control group.