HRIDAY (Health Related Information Dissemination Amongst Youth) in collaboration with University of Texas Health Science Centre at Houston, School of Public Health, USA is conducting a research study entitled “Reliability and validity of self-reported measures of dietary intake and physical activity among secondary school students in Delhi, India”. The study design is cross-sectional which aims to determine the reliability and validity of a self-report measure of dietary habits for secondary school students in Delhi, India. The study objectives were to adapt the school-based physical activity and nutrition (SPAN) monitoring survey to reflect the dietary habits of Indian youth. Additionally, weight status of the children enrolled in the 6th and 8th grade was also determined to estimate the prevalence of obesity in the population. This study was approved by the University of Texas, Health Science Center Committee for Protection of Human Subjects and the Independent Ethics Committee, India.