A patient presents with unconjugated hyperbilinibinemia and presence of urobilinogen in urine. Which amongst the following is the least likely diagnosis-

Hemolytic jaundice results from excessive RBC destruction. There is increased release of Hb that leads to overproduction of bilirubin. Hyperbilirubinemia develops when the capacity of liver to conjugate large amount of bilirubin is exceeded. There is also increased urinary excretion of urobilinogen.