Mental health refers to an individual’s overlall adjustment in behaviour which is socially desirable to achieve a maximum of satisfaction and happiness, enabling ability to face and deal with the daily life situations effectively. The present research paper explored to comparative study the level of mental health among adolescents who are routinely performing Yoga. The present study consisted sample of 120 subjects divided in two groups (Boys and Girls), each group has 60 subjects, considered for six different parameters. These all subjects came from class IX from four local english medium schools. No group was further subdivided. Mental Health Battery (ISBN 93-87452-59-X) authered by Dr. Arun Kumar Singh & Dr Alpana Sen Gupta of National Psychological Corporation, Agra, was used as tool for the assessment of mental health. For statistical analysis and hypothesis testing, mean score and t-test were applied. The findings show that there was no significant difference in the influence on the mental health of adolescent of both sexes. On the basis of the findings in the presented study, it may be concluded that in adolescents who were performing Yoga routinely, gender has no influential factor in mental health.