ASTANA. December 4. KAZINFORM /Kanat Kulshmanov/ The assets of the National fund of Kazakhstan have reached USD 52 bln, President Nursultan Nazarbayev has said welcoming the participants of the 22nd plenary session of the Foreign Investors Council in Astana today. "We could preserve and increase our reserves. As of November 30, 2009 gold and foreign currency reserves in the National Fund made USD 52 bln that iss much more higher against December 2008 index", the Head of the State said. "The banking sector experiences improvement today. Even in most hard conditions we could guarantee preservation of the citizens' deposits. None of the country's banks bankrupted over the period", the President stressed.