Introduction: Depression is a broad and genuine clinical sickness that contrarily influences physical and psychological circumstances causing enthusiastic and social breakdowns in adolescents.

Objective: The main objective of the study is to assess the effectiveness of positive psychological intervention in the level of depression among the adolescents.

Materials and Methods: An experimental study was conducted with a quantitative research approach and Quasi-experimental design (pre test-post test control group design). The study sample comprised adolescents who fulfilled the inclusive criteria. 80 samples were screened for the depression level by using the standardized scale DASS 21, out of which 20 samples were included in the study with the use of simple random sampling technique using lottery method. The depression level in both the experimental group and control group was assessed at pre-test and post-test. Data was analyzed using descriptive statistics including paired and unpaired T test.

Result: The post test findings reveal that 60% of adolescents in the experimental group have become normal and 40% have a mild level of depression after the positive psychological intervention.

Conclusion: Hence it is concluded that the use of positive psychological intervention has significant advancement in the emotional wellness, life fulfillment and satisfaction level among adolescents.