The aim of newborn screening is to detect diagnostic markers of treatable disorders in blood spots collected from pre-symptomatic newborns. It includes 7 markers- Congenital Hypothyroidism, Congenital Adrenal Hyperplasia, Glucose-6-Phosphate- Dehydrogenase, Galactosemia, Cystic Fibrosis, Phenylketonuria, Biotinidase