Perioperative acute kidney injury (AKI) is more common than previously recognized, especially in high-risk patients undergoing higher risk procedures. The developing number of patients who create perioperative AKI is connected, to a limited extent, to the maturing populace and increment in the quantity of people with interminable comorbidities, especially those with premorbid incessant kidney malady. In spite of the acknowledgment of normalization in the meaning of AKI, clinicians routinely underdiagnose it and neglect to value that it is related with impressive grimness and mortality. Suitable administration of intravenous liquid substitution is a key part of the treatment of intense kidney injury (AKI). In patients with intense glomerulonephritis and other inborn renal maladies, there is minimal clinical debate that sodium and water limitation is valuable in the setting of impeded renal excretory capacity. Then again, in patients with AKI confusing foundational ailment, supplemental intravenous liquids are viewed as a basic component of treatment. It is significant, in any case, to think about the physiological basis of liquid treatment to forestall both under treatment and unnecessary volume development. The mix of the distinctive scoring models firmly bolsters and profoundly improves the prognostic execution of either model alone. In this way, we do suggest the joined utilization of APACHE II score, SOFA score along with RIFLE score for forecast of mortality of fundamentally sick patients in emergency unit.