He served as a diplomat at Brazzaville and worked for a long time as a teacher in places like Ati, Abéché, Bongor and Fort-Archambault (now called Sarh).

Toura was among the PPT representatives elected and became Minister of Agriculture in the first black government led by Lisette in 1958.

With the independence of Chad on August 11, 1960, Tombalbaye became President and Toura was made Minister of Foreign Affairs.

As such he headed the Chadian delegation that on September 29, 1960, was present at the United Nations General Assembly that admitted Chad into the UN.

After the coup of 1975 that removed Tombalbaye, Toura returned to the diplomatic service and was made Ambassador to the United States in 1976.