Context: This study was planned to find out the depression, anxiety & stress levels among first year medical students of AIMS, B.G.Nagara. Aim: This study was conducted to determine the depression, anxiety & stress levels among first year medical students of AIMS, B.G.Nagara. Settings and Design: The present study was a cross - sectional study consisting of 150 first year medical students of AIMS, B.G. Nagara. Materials and Methods: This study was conducted in Adichunchanagiri institute of medical sciences, B.G. Nagara, Nagamangala Taluk, Mandya district, after the institutional ethical clearance and written consent to participate was taken from each student. Depression, anxiety & stress levels were assessed using Depression, anxiety and stress scale (DASS 21) questionnaire. Results: The DAS levels thus recorded were analyzed for statistical significance using. Data analysis was done using SPSS software version 19. Conclusion: The results of this study indicate that Depression, anxiety & stress levels was higher in first year medical students.