Whipple procedure is one of the most complex surgeries among hepatobiliary surgeries. It has named as Pancreaticoduodenectomy. It can cause many PPCs. Lung volumes are reduced due to atelectasis and pneumonia. Incentive spirometer (IS) is used to prevent PPCs. Due to general anesthesia, atelectasis is among most frequent PPCs. Pursed Lip Breathing (PLB) supports the patient to control the breath. The shriveling lips provide resistance to the air flowing out of the lungs. Airway collapse can be prevented by prolonged exhalation. Dyspnea occurs during 6MWT when patient performs walk in corridor. The aim of this study is to check the effect of Incentive Spirometer and Pursed Lip Breathing to improve dyspnea, oxygen saturation and hospital stay after Whipple procedure. This research of RCT will check the effect of IS and PLB by taking sample size of 60 post-operative patients through convenient sampling technique by allocating them randomly in group A and group B. Group A will receive PLB and group B will receive IS with baseline treatment chest percussions up to the duration of every day till discharge (reading will be collected on every 4rth day), dyspnea will be assessed through 6MWT and measured by Modified MRC dyspnea scale. The data will be analyzed through SPSS 26.