Inclusion Criteria:  1) Patients diagnosed as having Parkinsonism Disease by the Neurophysician. 2) Duration of Parkinson's Disease ≥ 5 years. 3) Patients with the age of 65 to 80 years. 4) Hoen and Yahr classification within 1 to 3. 5) Both male and female were included. 6) Patients who were able to comprehend the commands. 7) Patients who were willing to participate.  Exclusion Criteria:  1) Patients having any cardiovascular and pulmonary disorders. 2) History of smoking currently or in the past. 3) Psychological Impairment. 4) Insufficient verbal/intellectual understanding. 5) Patients with unstable vital parameters. 6) Those unable to perform PFT because of anatomical abnormalities or clinical signs of dementia.