Intensified Mission Indradhanush 4.0, launched by Ministry of Health and Family Welfare on 7 February 2022, will have ________ rounds and will be conducted in 416 districts.

Intensified Mission Indradhanush (IMI) 4.0 was launched by the Union Health Minister on 7 February 2022 to boost routine immunization coverage for children and pregnant women who missed doses during the pandemic. The immunization drive was planned to feature three rounds conducted across 416 districts across various states and UTs.