Background: Coronavirus disease-19 (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has become a global pandemic, posing a serious health risk worldwide. It is believed that yoga and pranayama have a more profound and powerful effect on the respiratory system than any other organ in the body. AIM: To determine whether the therapeutic effects of yoga and pranayama is successful in restoring post-COVID 19 patients' optimum respiratory performance. Material and method: In this study volunteers who met inclusion and exclusion criteria were selected for the study. In this study 12 subjects have enrolled in each Group-A (Intervention) and Group-B (Control). Volunteers in Group A (Intervention group) were taught yoga and pranayama in addition to conventional cardio lab training. In Group B (Control), volunteers received standard cardio lab training. Treatment is given twice a week for 12 weeks. Thoracic expansion was measured using metric tape. Result: In both groups, 12 subjects participated in the study. Data analysis was carried out using IBM SPSS software. The Mann-Whitney U test within-group analysis yielded a p>0.05 for both the conventional and interventional groups, indicating no significant difference. In the between-group analysis, the Wilcoxon rank test showed a significant difference and improvement in the intervention group (p < 0.05). Conclusion: Based on the findings of this study, we can conclude that the using yoga and pranyama will be efficient in promoting an increase thoracic expansion.