IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-10-1-33238 Original Research Paper DETERMINATION OF EFFECT OF YOGA (PRANAYAMA) IN TERMS OF SEVERAL LUNG PARAMETERS AND CAT SCORE ON MILD TO MODERATE COPD PATIENTS FOR SHORT DURATION OF TIME (3 MONTHS) Sovan Mitra Dr. Prof. (Dr.) Somenath Kundu Dr. January 2021 10 1 01 02