 Furthermore, Mawdud also sent soldiers to Sistan in order to hold his authority of the ruler of the region, the Nasrid ruler Abu'l-Fadl Nasr.However, these actions were fruitless, and Sistan soon became the vassals of the Seljuqs, thus the Ghaznavid borders were limited to Bost.During the same time, Majdud died, and Mawdud used the opportunity to capture Lahore.