Miss Sirithida Thammakul, Deputy Governor (Administration) on behalf of Mass Rapid Transit Authority of Thailand (MRTA) signed the book of blessing for King Rama X in occasion of New Year Day 2022 on Saturday 1st January 2022 at Sahathai Samakom Pavillion, the Grand Palace where Mr. Chayatham Promsorn, Permament Secretary of Ministry of Transport (MOT) led heads of the organization under MOT to participate in the sign.