Co-Chair of Armenian-Russian intergovernmental commission, Russian Minister of Transport Iogor Levitin will head the Russian delegation at the RA Prime Minister Andranik Margaryan's funeral, a source in Russian government told the PanARMENIAN.Net journalist. The Russian delegation is supposed to arrive in Yerevan in the morning of March 28, but it is not excluded that the flight may be postponed to an earlier date, that is on March 27.