Conversation so far:
What are Babrak Karmal's Fundamental Principles?
Fundamental Principles of the Democratic Republic of Afghanistan, was to introduce a general amnesty for those people imprisoned during Nur Mohammad Taraki's and Amin's rule.
Are  there any other interesting aspects about Babrak Karmal and his Fundamental Principles and amnesty?
Karmal made three most important promises when coming to power.
What were Babrak Karmal's three most important promises?
Babrak Kamal's three promises were, general amnesty of prisoners, the promulgation of the Fundamental Principles of the Democratic Republic of Afghanistan and the adoption of a new flag.

Question: did he go to jail?
Self-contained rewrite: Did Babrak Karmal go to jail?