Mr. Surapong Rattanaphuwalux, Director of Office of Internal Audit on behalf of Mass Rapid Transit Authority of Thailand (MRTA) congratulated Department of Rail Transport (DRT) on the occasion of 4^th establishment anniversary on Friday 9^th June 2023 at Na Talang building, DRT. In this regard, MRTA contributed to DRT fund for public charity and DRT’s personnel’s welfare where Mr. Pichet Kunathammarak. DRT Director-General was a receiver.