National Nutrition Week is celebrated in India from 1 September to 7 September to create awareness about good nutrition and health by goverment of India since 1982. The objective of the study is to assess the impact and functioning of National Nutrition Week in India. The method of the current study is a narrative review based and data were abstracted from an online data source like research articles, intuitional reports, and press releases. The available study on the relevant topic shows that National Nutrition Week has helped to bring a strong focus on improving nutrition outcomes during the first 1,000 days. National Nutrition Week has enabled a nationwide Jan-Andolan to catalyzing nutrition related behavior change at scale for a positive impact on feeding and health care practices.