Most of the infants are born normal and healthy at the time of birth and with no family history of disorders . Unfortunately, once symptom appears in child, they are often irreversible leading to severe health and developmental problems. Newborn screening helps in identifying diseases, which can affect a child's health in the long run, at an early stage. Newborn screening, which includes a series of tests, is essential for early detection, diagnosis, and management , to prevent disability and death of a child. These tests, which are performed shortly after the birth of a baby, are used for the detection of genetic, developmental, and metabolic disorders in newborn babies. Various tests such as dry blood spot tests , hearing screening, and critical congenital heart disease tests are conducted to diagnose conditions such as sickle cell disease, cystic fibrosis, newborn hearing loss, critical congenital heart disease, congenital hypothyroidism, maple syrup urine disease, and congenital adrenal hyperplasia. Blood tests are conducted by collecting blood samples from a 24-48 hour old baby's heel for laboratory analysis. The screening helps healthcare professionals to identify and take interventional steps before symptoms develop and prevent child from fatal disorder . Screening of conditions and cost of tests are different in different regions . Based on technology, the newborn screening market is categorized into tandem mass spectrometry, electrophoresis, immunoassays, and enzymatic assays, pulse oximetry screening technology, DNA-based assays, and hearing screen technology.