An outpatient department provides primary as well as comprehensive health care for patients who come for diagnosis, treatment or follow-up care. It is the point of first contact between a hospital and the patients. Good service and timely treatment of the patient are necessary for the faster recovery of the patient. The outpatient department is a crucial first step for any medical treatment. It helps the patient recover or improves from a certain health condition. OPD is the section that also provides additional services like diagnosis, lab tests, precautionary advice, etc. It controls the spread of infectious diseases and supports functions such as vaccination, etc. Despite many beneficial functions of the outpatient department, the facilities and the quality of treatment varies from hospital to hospital. This study will help to understand the effectiveness of OPD operations which includes service quality and efficiency of treatment effectiveness & service of clinical & non clinical staffs and hospital environment which include waiting area, physical facilities, and sanitation and canteen facilities. The study deals with quantitative accumulation of source, by spreading out structured questionnaire, using convenience sampling method. In conclusion, this study attempts to know the efficiency of OPD operations.