The present study was conducted to evaluate the effectiveness of Interventional Module to enhance self-esteem among adolescents in selected Government schools, Puducherry. Objectives : to assess the pre-test and post-test level of self-esteem among adolescents in experimental and control group, to evaluate the effectiveness of Interventional Module on the level of self-esteem among the adolescents within the experimental group, to compare the effectiveness of Interventional Module on the level of self-esteem among the adolescents between experimental and control group, to associate the post- test level of self-esteem among adolescents with the selected demographic variables in experimental group. Methods: The research approach used for this study was quantitative approach and the design selected was quasi experimental design pre-test and post-test with control group. The researchers assessed the level of self-esteem among the adolescents studying in 8th and 9th standard by using a Rosenberg self-esteem scale. By using purposive sampling technique 130 adolescent’s whose self-esteem score was less than 50 percentile. 65 subjects were allotted to experimental group and 65 subjects were allotted to the control group. Interventional Module to enhance the self-esteem was imparted to experimental group for 8days for the duration of 1hour and no intervention was given to control group. Results: it was statistically significant at the level of p<0.001 and the post-test self-esteem score was associated with age, mother’s educational level, mother’s occupational, average travelling time, and leisure time activities and it was found significant at the level of p<0.001 . Conclusion: The study concluded that Interventional Module was effective in enhancing the self-esteem among adolescents in experimental group when compared to the control group.