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COPD is the most common chronic lung disease. It is a major cause of chronic morbidity, mortality and health care used throughout the world and resulting in an economic and social burden that is both substantial and increasing also in our country. Pharmacotherapy alone does not optimize and have limited role in im-proving dyspnea, <i> exercise </i> limitation and quality of life which are characteristic and troublesome features of COPD. Breathing exercises are popular among patients, physician and physiotherapist and has been shown to improve efficiency of ventila-tion and exercise performance. But the efficacy of breathing exercises in relieving dyspnea varies greatly among patients. True values of these techniques have not yet been formally established, though they would seem to have intrinsic merit.