Objective: We aimed at the frequency determination of deficiency of Vitamin “D” in children diagnosed with rickets. Methods: Our descriptive case series research was carried out on five years of children in the duration of six months at Services Hospital, Lahore (Pediatrics Department) from November, 2016 to May, 2017. All the children who were diagnosed with rickets were included in this research but Vit-D intake cases were not included. Informed consent and ethical approval were met as necessary formalities. Every child was screened for blood sugar to validate the level of Vit-D (25 [OH] D). We labelled the vitamin “D” serum level which was under (20 ng/ml) as (25 [OH] D) rickets deficiency. Pre-designed form was used for the collection ...