This retrospective observational study was conducted at the Department of Obstetrics & Gynecology at LTMMC & LTMGH Sion, Mumbai for a duration of 12 months (from January 2020 till December 2020). Aim: To study fetomaternal outcome in obstetric patients requiring critical care in tertiary care hospitals. Inclusion criteria: All the patients admitted and delivered or operated and transferred to the surgical ICU ward. Methodology: Data collected from case records and medical record books of hospitals. Result: In this study, a total of 139 obstetric patients were admitted in ICU which constituted 1.98 % of total deliveries and 1.1 % of ICU admissions. Major obstetric causes of ICU admission were hypertensive disorder of pregnancy(35.9%), haemorrhage(28%), ectopic pregnancy( 11.5%). There were 11 maternal deaths.