Objective: to find out the effects of four weeks yogic training on vital capacity of university students.

Design: Researcher measured vital capacity of students from spirometer. Vital capacity determinants were taken pre-yogic training and post-yogic training. No control group was used.

Sample: PG diploma in Yoga classes students of Chaudhary Bansi Lal University taken for Yogic Practice. A total of 30 college students, 12 men and 18 women.

Intervention: Subjects were taught yogic asana, pranayama and relaxation in 2 hours’ class practice for 4 weeks.

Results: The study showed a statistically significant (P<.05) improvement in University Students.

Conclusions: It is not known whether these findings were the result of yoga poses, breathing techniques, relaxation, or other aspects of exercise in the subject’s life. The subject’s adherence to attending class was 99.96%. The total number of 30 subjects is considered to be a valid number for a study of this type.