Depression is becoming one of the common health morbidity affecting 350 million people globally. To overcome depression, people are considering aromatherapy a popular intervention against it. Due to its increasing publicity of aromatherapy for alleviating depressive symptoms, in-depth evaluation of the clinical efficacy of aromatherapy is urgently needed. Considering the same researcher has undertaken the project to analyze the efficacy ofthe same. Material & method: Quantitative research approach was adopted with quasi experimental research design. 30 samples were selected through Non probability sampling and randomly allocated in both the groups. Written informed consent was obtained from all the participants. The General depression Scale (GDS) was selected to be used as the tool. The purpose of this questionnaire is to assess the level of depression in the mentally ill patients. The General Depression Scale has 30 items with yes /no type responses. Each item measuresa specific symptom of depression. Result: The analysis was done using paired and unpaired’ test. The difference of mean in depression reduction in experimental group was 16.1 where asin control group it was 21.8. Hence, Aromatherapy was effective in reducing the depressive symptoms. Conclusion: Aromatherapy helps to reduce depression level if it is practiced for a longer period. There has been a phenomenal increase in the popularity of various alternative therapies and medicines in recent years and many of them can be excellent when it comes to reducing depressive symptoms and treatment.