Mission Indradhanush was launched in which year?

Correct option is A

Sol. Mission Indradhanush was launched in December 2014 by the Government of India to increase full immunization coverage among children and pregnant women. It aimed to cover unvaccinated and partially vaccinated children in a phased manner.
Explanation of each option:
· (a) December 2014 – Correct. It was officially launched under the Ministry of Health to cover left-out children.
· (b) December 2004 – No such mission was introduced in this year; unrelated to immunization.
· (c) March 2014 – Preceded the official launch; development may have begun but not the rollout.
· (d) December 2019 – Intensified Mission Indradhanush 2.0 was launched then, not the original mission.