 Their raids of Mughal supply lines and advance parties were disastrous for the army.At times these groups of fighters were independent, and at other times, they worked in coordination with the Uzbeks.Acquiring cash for the army was intensely difficult due to the differences in the monetary infrastructures between Mughal India and Afghanistan, hence the army was forced to lug bullion and cash across the steep passes and narrow defiles of the Hindu Kush mountains.