Career
Since 1919 Tevosian was the secretary of Russian Communist Party Baku underground committee. Tevosian participated to the 10th Conference of the party. After finishing the Academy of Mountains, he worked as the chief engineer of "Elektrostal" factory (Moscow oblast).
In 1939-1940 he was the Shipbuilding Minister of Union of the Soviet Socialist Republics, in 1940-1948 - the minister of black metallurgy, in 1948-1949 and again, in the 1950s - the Minister of Metallurgy of Union of the Soviet Socialist Republics, vice-chairman of the Soviet government.
Since 1956 Tevosian was the Ambassador of the Union of the Soviet Socialist Republics in Japan.