KATHMANDU, APRIL 5 Newly elected Speaker of the House of Representatives, Dol Prasad Aryal, has assumed office at the Federal Parliament Secretariat in Singh Durbar. After taking the oath of office and secrecy before President Ramchandra Paudel this afternoon, Speaker Aryal formally took charge of his office. On the occasion, General Secretary of the Federal Parliament Secretariat, Padma Prasad Pandey, along with other high-ranking officials, welcomed Speaker Aryal.