Babrak Karmal always been highly critical of his Khalqist predecessors Nur Muhammad Taraki and Amin's ultra-left radicalism. Karmal was promoted to Chairman of the Revolutionary Council and Chairman of the Council of Ministers on 27 December 1979. He remained in office until 1981, when he was succeeded by Sultan Ali Keshtmand. Throughout his term, Karmal worked to establish a support base for the PDPA by introducing several reforms. Among these were the Fundamental Principles of the Democratic Republic of Afghanistan, introducing a general amnesty for those people imprisoned during Nur Mohammad Taraki's and Amin's rule. He also replaced the red Khalqist flag
Babrak Karmal Karmal's succession; a GRU report noted that the majority of the PDPA leadership would support Assadullah Sarwari's ascension to leadership. According to the GRU, Sarwari was a better candidate as he could balance between the Pashtuns, Tajiks and Uzbeks; Najibullah was a Pashtun nationalist. Another viable candidate was Abdul Qadir, who had been a participant in the Saur Revolution. Najibullah was appointed to the PDPA Secretariat in November 1985. During Karmal's March 1986 visit to the Soviet Union, the Soviets tried to persuade Karmal that he was too ill to govern, and that he should resign. This backfired, as a