A child has bilirubin of 4 mg. Conjugated bilirubin and alkaline phosphatase are normal, bile salts and bile in urine are absent. However urobilinogen in urine is raised. What is the likely diagnosis –

Important clues provided in question are - Increased total bilirubin I So, T unconjugated bilirubin Normal conjugated bilirubin Amongst the given options, only hemolytic jaundice causes increased unconjugated bilirubin. Remaining three cause conjugated hyperbilirubinemia.