Explanation:

- The Integrated Child Development Services (ICDS) Scheme is designed to provide essential support in health, nutrition, and education.

- Primary Beneficiaries: Children in the age group of 0 to 6 years are the main focus of the scheme. This includes sub-groups within this range, such as infants, toddlers, and preschoolers.

- Additionally, the scheme benefits pregnant women and nursing mothers, ensuring broader impacts on child and maternal health.

- Correct Answer: 0 – 6 years