Question

how did the guru and disciple become the king and minister of the kingdom of fool

Answer 1

They made the real king and minister to die when they were trying to escape that time the people asked them to become the king and the minister and the people wanted them to rule the kingdom

Answer 2

By making the king and ministers fool Guru knew that his king and his minister were fools. In order to save his disciple, Guru hatched a plan. He said that the first one to be executed at the state, would become the king in the next life and the second to be executed would be the king’s minister. The foolish king and his minister got themselves executed. As the kingdom was without king, the guru and his disciple were made the king and the minister.