 Meanwhile, he completed his course at the faculty of social sciences at the Moscow State University the 
Institute of Foreign Affairs and became director of the Technical College of Foreign Languages, where he also taught history.During the night of 7 February 1938 — 8 February 1938 Varankin was arrested.They condemned him as an active member of Union Center, which never existed; he was accused of spying and sabotage, anti-Soviet propaganda, plotting to murder Joseph Stalin and the like.