The third phase of Health Ministry's vaccination drive Mission Indradhanush will begin on 7th of April. Briefing reporters in New Delhi, Additional Secretary in the Health Ministry C K Mishra said, 216 Districts across several States including Bihar, Gujarat, Assam, Madhya Pradesh, Maharashtra and Uttar Pradesh will be covered in this phase.<br/><br/>He said, vaccines wiil be administerred to children who are either partially vaccinated or not vaccinated at all. Mr Mishra also said, under the last two phases nearly 39 lakh children have been fully immunised. <br/><br/>The Mission Indradhanush, depicting seven colours of the rainbow, aims to cover all those children by 2020 who are either unvaccinated, or are partially vaccinated against seven vaccine preventable diseases. The diseases include diphtheria, whooping cough, tetanus, polio, tuberculosis, measles and hepatitis B.