Inclusion Criteria:

• Adults: aged (25-59 years)

• Gender: Both males and females

• Grade1- Grade 4 on Modified MRC dyspnea scale

• COPD classes (mild, moderate ) according to GOLD COPD Guidelines

• Participating voluntarily and follow the instructions & performing

• The number of packs of cigarettes smoked per day by the number of years the person has smoked.

  1. pack yr = 20 cig/day x 1 yrs
  2. pack yr = 20 cig/day x 2 yrs

Exclusion criteria:

• Severe cases of obstruction like Severe asthma & status asthmaticus, Severe COPD, bullous emphysema for pneumothorax.
• Any congenital deformities of chest wall, Demonstrated neuromuscular or neurological deficit/disease of chest wall
• Other serious Cardiopulmonary diseases including pulmonary embolism, pulmonary ----Hypertension, Active TB, pneumonias or other acute illnesses
• Any recent cardiothoracic or abdominal surgery, trauma or injury
• Pregnancy
• Any psychiatric illnesses