Inclusion Criteria:  - Cirrhotics including ACLF with septic shock requiring norepinephrine dose >0.5ug/kg/min to maintain MAP> 65 mm Hg  - An informed consent from the patient or relative  Exclusion Criteria:  Patients with age less than 18 years or more than 65 years Severe known cardiopulmonary disease (Hypertension, structural or valvular heart disease, coronary artery disease, arrhythmias) Stroke Peripheral Vascular disease Gut Paralysis Intestinal obstruction Cancer, hepato-cellular carcinoma (HCC), intrahepatic or extrahepatic malignancy Portal vein thrombosis Hepatic vein outflow tract obstruction (HVOTO ) Pregnancy Patients with Pa02/FiO2 ratio <150 Severe coagulopathy platelets <20,000 and INR > 4 Active Bleed (Mucosal or variceal) Patients already on terlipressin in the last 48 hours Extremely moribund patients with an expected life expectancy of less than 24 hours Failure to give informed consent from family members. Patient enrolled in other clinical trials