Introduction: Pregnancy-induced hypertension (PIH) is a highly prevalent pregnancy complication with adverse effects on maternal and infant health. Birth weight is a key predictor of Newborn outcome and indicator of health in Newborn. The objective of our study is to find the association between severity of PIH on birth weight of new born. Methods: A prospective study involving 100 pregnant women with PIH, visiting out patient department of OBG, at Karwar institute of medical sciences hospital, was conducted from July 2019 to January 2020. Parameters such as blood pressure, serum uric acid, grade of PIH, birth weight of Newborn post delivery were noted. Data was analyzed by chi-square test. Result: This study observed the reduction in the weight of new born with increase in severity of PIH. Conclusion:Present study shows that, PIH adversely affects the weight of Newborn. With increase in severity of PIH, birth weight of new born decreases.