Dietitians are health professionals trained to implement and change dietary habits. The document discusses dietitians and the Indian Dietetic Association (IDA). It defines dietitians and describes their roles and classifications. It also discusses the aims, membership, chapters, and registration board of the IDA, which was founded in 1963 to deal with nutrition problems and promote dietetics. The IDA works to encourage nutrition education and research and safeguard dietitians' interests.