Mission Indradhanush Immunization

Mission Indradhanush is a health program launched by the Ministry of Health and Family Welfare aimed at immunizing children and pregnant women against vaccine-preventable diseases. The name 'Indradhanush' (rainbow) symbolizes the seven colours representing seven vaccine-preventable diseases. Option (b) refers to Smart Cities Mission, (c) is related to space exploration initiatives, and (d) is about education policy. Mission Indradhanush specifically focuses on comprehensive immunization coverage and reaching out to unreached and under-vaccinated populations.

Answer: (a).