Afterwars, Tedjasukmana enrolled in the law school, Rechtshoogeschool te Batavia [id] from 1936 to 1937.

From 1945 to 1946, he became the Associates Chief Justice of the district court and a member of the Indonesian National Committee Bukittinggi.

As a vice mayor, he held two positions: member of the West Sumatra Executive Agency and Central Indonesian National Committee.

[3] Tedjasukmana was the candidate for People's Representative Council from Labour Party on 1955 Indonesian Constitutional Assembly election.

He finished his dissertation at Cornell University in 1961 with the title of "The Development of Labor Policy and Legislation in the Republic.