Sepsis in neonates is a syndrome which is characterized clinically by systemic symptoms or signs of infection and associated with bacteremia in the first 28 days of life. More than 40% of under-five deaths globally occur in the neonatal period, resulting in 3.1 million newborn deaths each year. Procalcitonin (PCT) is an early diagnostic tool for neonatal sepsis.Methods: Present prospective cross- sectional observational study was conducted at NICU of Base hospital, Delhi Cantonment from 1st Dec

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... 2016 to Jan 31st, 2018. Universal sampling technique was followed. SPSS version 21 was used for statistical analysis. A p-value of less than 0.05 was taken as significant.Results: Out of the total 440 cases, 63% were males while rest 37% were females. Mean gestation age and birth weight of the babies was 35.6 weeks and 2.13 Kg respectively. Raised/ decreased Total Leucocyte Count (TLC) and raised pro calcitonin levels were seen in 23% and 19.8% cases respectively.Conclusions: These results indicated that the sensitivity of procalcitonin was higher than TLC for the diagnosis of culture proven neonatal sepsis. Hence, PCT is a more sensitive and useful biomarker for the diagnosis of neonatal sepsis.