Introduction: Obesity is associated with adverse and deranged cardiovascular events which could be due to the altered Sympathetic and parasympathetic balance seen in these individuals. In recent times Obesity is recognized and considered as a Major, worldwide, health issue. Material and Method: The Present study was conducted in the Department of Physiology, Index Medical College, Indore (MP).50 Obese (25 male and 25 female) and 50 non obese (25 male and 25 female) young adults were included. A parasympathetic test was performed on both the groups. All data are expressed as mean± standard deviation. Comparison between groups of obese male, non-obese male, obese female and non-obese female was performed using student’s t-test (t-test for two independent samples / Two-tailed test). Differences was considered significant at p<0.05. Result: It was observed that obese young adults had reduced parasympathetic activity. Conclusion: This altered balance of Autonomic Nervous system increases the risk of cardiovascular disorders