Objective: To study maternal and foetal outcome in HELLP syndrome. Study design: The present study was a hospital based prospective observational study to find out maternal and perinatal outcome in HELLP syndrome. Subjects & methodology: This study was conducted at the Department of Obstetrics and Gynaecology, Government medical college, Aurangabad during six months (from July 2022 to December 2022) with more than 28 weeks gestation,150 patients of HELLP syndrome were studied. Most common age group is 21-25 years(40.67%), followed by 26-30 years(30.67%). All available detailed history, clinical data, detailed laboratory investigation were studied and characterized by Tennessee and Mississippi classification for better analysis of complications and outcome in HELLP syndrome. Conclusion: HELLP syndrome is a severe variant and dreadful complication of Preeclampsia and Eclampsia, it needs early diagnosis and timely intervention in the form of termination of pregnancy to arrest further progress of pathophysiology leading to complication.