A 2-year-old child has a weight of 6.4 kg and has vitamin A deficiency. What is the grade of malnutrition in this child –

Normal expected weight at 2 years of age is 12 kg. This child has a weight of 6.4 kg, i.e. 53.3% of the expected. So, this child is having grade III (51-61% of expected weight) malnutrition