A pre-post interventional study using health talks was carried out among 345 adolescents aged 13 to 20 years. Participants included both male and female students aged 13 to 20 years. Owing to the large number, the students were divided into two groups. The Pre-test was then administered. Following this, two health education sessions were delivered by two registered nurses for each session. A week after these health talks, the research team went back to the school to collect data for the post-intervention. Questionnaires used for both pre and post assessment collected data on demographic factors and knowledge on dietary and physical activity behaviours linked to hypertension.