Concept:Mission Indradhanush is a public health initiative focused on achieving full immunization coverage.Explanation:It was launched in December 2014 to strengthen the existing immunization programme.The goal is to cover all children up to two years of age and pregnant women with life‑saving vaccines.The mission aims to achieve full immunization at a rapid pace, targeting 201 high‑focus districts.An advanced version, Intensified Mission Indradhanush, was started by Prime Minister Modi in October 2017 to further accelerate coverage.The ultimate objective is to ensure that no child or pregnant woman misses out on any vaccine.Answer:Full immunization.