'Mission Indradhanush' launched by the Government of India pertains to

1. 'Mission Indradhanush' was launched by the Government of India in December 2014. 2. Its primary objective is to ensure full immunization coverage for all children up to two years of age and pregnant women against seven vaccine-preventable diseases (diphtheria, whooping cough, tetanus, polio, tuberculosis, measles, and Hepatitis B). The number of vaccines covered has expanded over time in subsequent phases. 3. Option (A) correctly identifies this purpose: "immunization of children and pregnant women". 4. Option (B) refers to the Smart Cities Mission. 5. Option (C) relates to space exploration activities. 6. Option (D) refers to the formulation of the New Educational Policy. 7. Therefore, 'Mission Indradhanush' specifically pertains to immunization.