KATHMANDU, Dec 13: Expenditures for the two houses of parliament and the provincial assemblies will be  at least three times that  of the previous constituent assembly-turned parliament. The annual expenditure of the 601-member parliament was  around Rs 1.40 billion, and this expenditure will now soar to Rs 4.25 billion, according to a study of all legislatures and their secretariats prepared  in July by the parliament secretariat.