Assessment of nutritional status of individuals and groups in a community using established anthropometric standards, clinical signs, vital statistics, food consumption and laboratory methods. Use of growth and development chart, economic aspects of nutrition. Food budgets, food habits, surveys in rural and urban communities. Assessment of ecological factors. Applied nutrition programmes. Supplementary and group feeding; school lunch programmes. Nutrition procedure in times of disaster including famine relief operations nutrition rehabilitation centres. Population and food supply. Nutrition and national harmony.