Objective: The study aimed to study on prescribing pattern of pulmonary inhalers in inpatients at Tertiary Care Teaching Hospital, India. Methodology: It is a prospective observational study conducted in the inpatient department at a Tertiary Care Teaching Hospital. Asthma or COPD patients were randomly recruited over six months from the ward's clinics. The inhalation technique was assessed utilizing the questionnaires there were 11 steps for MDI and 12 steps for MDI + spacer each correct technique conveyed a score of 1 and the wrong technic conveyed 0. The adherence to the inhaler technique was assessed utilizing the recipe correct dose/incorrect dose*100 and the purposes behind nonadherence were additionally noted.