It will be a randomized clinical trial. Age of selected subjects will be between 40 to 70 years. Data will be collected from Wazirabad institute of cardiology. There will be 2 groups i.e. group A will receive combination of blow bottle technique and postural drainage and group B will receive postural drainage. Spirometer will be used to evaluate pulmonary functions and breathless, cough and sputum scale (BCSS) will be used to evaluate the improvement in sputum diary of patients. Interventions will be given to the patients for 20-25 minutes twice a day for 6 days per week. After data collection, data will be analyzed using SPSS version 25.