ISLAMABAD- The appointment of Irfan Siddiqui as Special Assistant to Prime Minister on National Affairs was challenged in the Islamabad High Court (IHC) today. A petitioner, Shahid Orakzai, challenged the appointment of Mr. Siddiqui as Special Assistant to PM. Orakzai, said Mr. Siddiqui was appointed on important and sensitive government positions without taking a constitutional oath. In the petition, he argued that the Prime Minister had not publicised the notification of appointment of Mr. Siddiqui. Justice Noor Qureshi also sought copy of the notification, before adjourning the case for two weeks. The petitioner said he would try to obtain copy of the notification in a given period of two weeks.