The liver is one of the most important organs of the human body and performs major functions, such as removal of harmful substances from blood, maintains adequate level of chemicals in the body and stores nutrients for all cellular and biological activities. Improper functioning of liver cause many severe diseases, such as hepatitis A, B, C, Primary Biliary Cirrhosis and tumors. Some inherited diseases, such as Wilson’s Disease, Alagille Syndrome and Hemochromatosis are also occurred by improper functioning of liver. Some of the major reasons for improper functioning of liver are genetic disorder, excessive alcohol consumption and obesity. Some of these may also lead to permanent damage of liver.