 Also he had become convinced that his Khalq faction was losing its share of power in favour of Najibullah's Parcham.For these reasons he entered in secret negotiations with Gulbuddin Hekmatyar, and plotted against Najibullah.Launched on 6 March 1990, his coup failed, despite almost killing Najibullah, and Tanai was forced to flee to Pakistan, where he joined Hekmatyar.