Babrak Karmal have so far not opted for concrete and constructive positions." During Karmal's rule Afghan–Pakistani relations remained hostile; the Soviet intervention in Afghanistan was the catalyst for the hostile relationship. The increasing numbers of Afghan refugees in Pakistan challenged the PDPA's legitimacy to rule. The Soviet Union threatened in 1985 that it would support the Baloch separatist movement in Pakistan if the Pakistani government continued to aid the mujahideen in Afghanistan. Karmal, problematically for the Soviets, did not want a Soviet withdrawal, and he hampered attempts to improve relations with Pakistan since the Pakistani government had refused to recognise the PDPA
Babrak Karmal room, the Afghan defence minister and the state security minister visited Karmal's office, telling him that he had to resign from one of his posts. Understanding that his Soviet support had been eliminated, Karmal resigned from the office of the General Secretary at the 18th PDPA Central Committee plenum. He was succeeded in his post by Najibullah. Karmal still had support within the party, and used his base to curb Najibullah's powers. He began spreading rumors that he would be reappointed General Secretary. Najibullah's power base was in the KHAD, the Afghan equivalent to the KGB, and not the party.