Background: Adolescence is a transitional stage of physical, physiological and psychological development from puberty to legal adulthood. Worldwide more than 1.2 billion are adolescents i.e. one in every six persons is an adolescent. About 21% of Indian population is adolescents. The health status of an adolescent determines the health status in his/her adulthood. Healthy dietary habits & physical activity among medical students are even more important as they are future physicians. Objectives: 1. To assess the dietary habits of the study subjects. 2. To assess the physical activity of the study subjects Methodology: A cross-sectional study was conducted among the adolescent medical students (<19yrs) during January-April 2019. Data on dietary habits & physical activity was collected using pretested semi structured questionnaire & PAQ-A scale (Physical activity questionnaire- Adolescents). Results: Among the study subjects, 73.5% were male, 25.8% consumed all three meals in a day, 90.3% and 58.1% skipped their breakfast & dinner respectively, <30% consumed healthy foods like fruits & vegetables, milk etc. Almost everyone consumed junk food at least once a week. 51.5% felt that they had unhealthy food habits. 29.4% spent their free time doing very little/no physical activity. 50% never engaged in sports activity. Walking was the most common physical activity (45.5%). Conclusion: There was an alarming prevalence of unhealthy dietary practices, & poor physical activity that should be targeted and modified. Strategies need to be adopted to improve young youths’ nutritional status and to establish a healthy lifestyle.