KATHMANDU, APRIL 5 Newly elected Speaker of the House of Representatives, Dol Prasad Aryal, took the oath of office and secrecy before President Ramchandra Paudel at a special ceremony organised at the Office of the President, Shital Niwas, today. On the occasion, Vice President Ram Sahay Prasad Yadav, Prime Minister Balendra Shah, Acting Chief Justice of the Supreme Court, Sapana Pradhan Malla, National Assembly Chairperson Narayan Prasad Dahal and high-ranking officials of the government were present.