On 5 December 2488 homecoming went to Thailand for the 2nd time. Accompanied by His Royal Teens
King Ananda Mahidol He shared several royal duties, in the June 9, 2489, King Ananda Mahidol, died suddenly. The government at that time was respectfully invite the younger brother of King. Prince Bhumibol Adulyadej (The rank of the time) ascended the throne in the same day.
Because of His Majesty King Bhumibol Adulyadej has had a diplomatic mission in the study. Then proceed to Switzerland on August 19 of that year to come back to school, this time he changed the education of science is a branch of political science. And law represented by the shape that would be useful in a diplomatic mission to the King.