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 campaign for Karmal's dismissal, but Andrei Gromyko discussed the possibility of Karmal's resignation with Javier Pérez de Cuéllar, the Secretary-General of the United Nations in 1982. While it was Gorbachev who would dismiss Karmal, there may have been a consensus within the Soviet leadership in 1983 that Karmal should resign. Gorbachev's own plan was to replace Karmal with Mohammad Najibullah, who had joined the PDPA at its creation. Najibullah was thought highly of by Yuri Andropov, Boris Ponomarev and Dmitriy Ustinov, and negotiations for his succession may have started in 1983. Najibullah was not the Soviet leadership's only choice for