<prompt> A male child with gall bladder stone has Hb-6 gm, serum bilirubin 2.5 mg and high urobilinogen in urine . The diagnosis is :Haemolytic jaundiceObstructive jaundiceSecondary biliary cirrhosisHepato cellular jaundice  <response>: Ans. is a Hemolytic jaundice The history of gall stones and laboratory findings of the patients suggests Hemolytic Anaemia.In Hemolytic Anaemia there isDecrease in HbIncrease in Serum Bilirubin Indirect or unconjugated Increase in Urine urobilinogen. Hemolytic Anaemia is an important cause of Gall stones Pigment stonesIn obstructive jaundice - There will be increase in Serum Alkaline Phosphatase and decreased urobilinogen in urine.Secondary biliary cirrhosis: It causes Cholestatic pattern of jaundice in which Alkaline phosphatase is increased out of proportion of ALTAST.Hepatocellular jaundice: In this pattern of Jaundice ALTAST elevated out of proportion of alkaline phosphatase.These serological markers of jaundice are not elevated in the patients. So these choices have been ruled out. 