• Acid peptic disease (APD) • Gastro-esophageal reflux disease (GERD) • Irritable bowel syndrome (IBS) • Dyspepsia • Inflammatory bowel diseases (ulcerative colitis & crohn’s disease) • Abdominal tuberculosis • Cancer of esophagus, stomach, liver, gall bladder, pancreas, intestine • Gallstones & common bile duct stones • Acute and chronic pancreatitis • Alcoholic liver diseases • Cirrhosis of liver • Hepatitis A/E, Hepatitis B & Hepatitis C • Autoimmune hepatitis • Fatty liver • Primary sclerosing cholangitis • Primary biliary cirrhosis • Non cirrhotic portal fibrosis • Extrahepatic portal vein obstruction