Objective: The present study aims to present the effect of manomaya kosh-sadhana on adolescents' mental health. The Element of this Manomaya kosh-sadhana are meditation, tratak, jap and tanmatra sadhana.

Subject: The sample consisted of 30 adolescents (female, which are from High Socio Economic) status and age range 13-19 yrs studied in Swami Satyamitrananda Giri higher secondary school, haripur kalan dist. Dehradune, Uttarakhand.

Method: In this study Quota Sampling has been used to collect the sample. Pre-post research design has been used. The duration of practice was 90 days (except Sunday and Holidays) and practice time was 30 minutes in the morning. After 90 days again the post-test has been taken for the experimental group.

Result: The result of t-test revealed that these Yogic practice has significant effect at 0.01 level on mental health of the adolescents.

Conclusion: With this study we know that Manomaya kosh sadhana is significantly effective for mental health of adolescents.