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 –
Obstructive jaundice
Rotor's syndrome
Biliary cholestasis
Hemolytic jaundice
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.