(i)Mongolattacks on delhi sultanate increased during the reign of Aladdin khalji and in the early years of muhamud tughluq.
(ii)This forced the 2 rulers to mobilse a large standing army which posed a huge administrative challenge.
(iii)The administrative expenses increasedbecause they had to increase their soilders and pay salaries to their soilders.
(iv)The sulTANS have to construct new garison towns.