In 1892, the Ministry of Justice was established and Prince Raphi was appointed as Head Minister to unify the judiciary.

[3]: 66  During his tenure as the Minister of Justice, his attempts to increase the independence of the Thai judiciary from the executive led to tensions with the king's absolutist outlook.

[5] Following their mentor, 28 senior judges also resigned from the judiciary in a show of loyalty, though all but one were summoned by the king to resume their position.

[4][3]: 22  Prince Raphi would later return to the bureaucracy in the reign of King Vajiravudh, serving as the Minister of Agriculture.

King Rama VI asked the Siamese ambassador to France to organize a royal cremation ceremony in Paris, in accordance with Prince Raphi's wishes.