Background: The present study was conducted for assessing glycemic status of gestational diabetic women on anti-hyperglycemic medication and neonatal outcome of their off spring. Materials & methods: Total subjects enrolled in the present study were 50. Out of these 50 subjects, 25 subjects were treated with Insulin while the remaining 25 were managed with Metformin. The study subjects were followed up until delivery and details regarding fetal outcome like birth weight, blood sugar level etc were recorded assessed. All the results were recorded and analysed using SPSS software. Results: Mean HbA1c levels post treatment among patients of metformin group and insulin group was 5.9% and 5.1% respectively. Although non-significant, mean HbA1c levels were slightly better among patients of the insulin group. Metformin was found to cause less neonatal complications when compared to that of the insulin treatment group. Conclusion: Metformin wasfound as slightly more effective as Insulin in the management of GDM.