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 the Khalqists wanted to give PDPA Central Committee membership to military officers who had participated in the Saur Revolution; Karmal opposed such a move but was overruled. A PDPA Politburo meeting voted in favour of giving Central Committee membership to the officers. On 27 June, three months after the Saur Revolution, Amin outmaneuvered the Parchamites at a Central Committee meeting, giving the Khalqists exclusive right over formulating and deciding policy. A purge against the Parchamites was initiated by Amin and supported by Taraki on 1 July 1979. Karmal, fearing for his safety, went into hiding in one of his Soviet