Pakistani Prime Minister Yousuf Raza Gilani is all set to appear before the Supreme Court to defend himself against contempt charges.He will have to answer the court's query on why his govt has not followed the court orders to pursue corruption cases against President Asif Ali Zardari in Switzerland. The Supreme Court had issued notice to Gilani to appear before it to present his defence and force the govt to re-open graft cases against Zardari.