The First Prime Minister of Republic Nepal

In republic Nepal, the first election was held in 1959. In that election, Mr. Bishweshar Prasad Koirala became the first prime minister of republic Nepal.

Before that after revolution of 1951, Mr. Matrika Prasad Koirala take the position of prime minister still under the declaration of the King of Nepal

Who was first prime minister or republic Nepal

Shri Koirala