Tulsi Giri ( born 26 September 1926 ) was the Prime Minister of Nepal from 1975 to 1977 , and chairman of the Council of Ministers ( a `` de facto '' Prime Ministerial position ) between 1960 and 1963 , and again in 1964 and 1965 .
born 26 September 1926 ) was the Prime Minister of Nepal from 1975 to 1977 , and chairman of the Council of Ministers ( a `` de facto '' Prime Ministerial position ) between 1960 and 1963 , and again in 1964 and 1965 .