Objectives: To assess the socio-demographic characteristics of the study adults, To assess the effectiveness of planned teaching programme on mosquito control measures to find the association between posttest knowledge level with their selected socio-demographic variables. Methods: A Quasi experimental study design was used for this study. A total 30 adults between the age group of 21-60 years. Data collection was done by door to door survey method using pretested structured interview schedule before and after health education program at Muthialpet, Puducherry. The tool contained demographic profile of participants, knowledge about mosquito control measures. Pre-test was conducted using structured interview schedule followed by the teaching program was administered by using flash cards, charts and discussion with them. After a week (7-days) post-test data was collected. Results were analyzed statistically using percentage, proportions and Chi-square test was applied. Results: The results revealed that, in pre-test most of them 96.7% had inadequate knowledge and 3.3% had moderately adequate knowledge. During posttest 40% had adequate knowledge, 50% had moderate knowledge and 10% had inadequate knowledge. Highly significant difference was found between pre-test and post-test score (p< 0.01). Conclusion: The study concluded that, Planned teaching programme regarding mosquito control measures has been effective in gaining knowledge among adults