With supports of the school authority, investigators were assessed BMI of all children in Grade 3 (aged 7-8 years) up to Grade 9 (aged 13-14 years) in order to make a list of those children who will have a higher than normal BMI. Investigators were randomly selected 3 children from that list from each grade and obtain parental consent to recruit them. Investigators were additionally obtained assent for children 11-14 years of age. A written voluntary consent was provided to parents describing the study purpose, objectives and methodology prior to obtaining consent of the parents and get permission to recruit their child participate in the study. Thus investigators were recruited 27 children from one school and a total of 108 children were selected from 4 schools for inviting to participate in the intervention.