Mr. Vithaya Punmongkol, Deputy Governor (Operations) acting Governor of Mass Rapid Transit Authority of Thailand (MRTA) participated in signing the book of blessing to well- wishing HRH Princess Chulabhorn Krom Phra Srisavangavadhana for speedy recovery and good health on Saturday 5^th October 2024 at Chulabhorn Hospital where Mr. Chayatan Promsorn, Permanent Secretary of Ministry of Transport led heads of organization under to join in the sign.