The aim of the study was to see whether maintaining a gratitude journal for twenty days among the orphaned/institutionalized children and adolescence would enhance their subjective well-being i.e. Life satisfaction, Subjective Happiness and increased Optimism. The chosen sample size for the study was 40 (20 children were assigned to the control group and 20 children were assigned to the experimental group). The experimental group were asked to maintain a gratitude journal for twenty days. Life satisfaction scale Scale,Subjective Happiness Scale and Life Orientation Test were the tools used by the Experimenter before and after the intervention for both the control and experimental groups. The data was analyzed using descriptive statistics, and Wilcoxon signed rank test. The results showed that there was a significant difference in the levels of Life Satisfaction, Subjective Happiness and Life Orientation between the Experimental and the Control group after the intervention program