Who was the last Rana prime minister?

The last Rana prime minister of Nepal was Mohan Shamsher Jang Bahadur Rana, who served from 1943 until 1951. The Rana regime was characterized by autocratic rule and hereditary leadership, which came to an end with a popular movement that led to the establishment of democracy in Nepal. Mohan Shamsher was forced to resign following the political upheaval, marking the end of the Rana dynasty's control over the government.