din ' s ▁plan , ▁he ▁was ▁not ▁removed ▁as ▁r uler ▁of ▁the ▁area ▁but ▁rather ▁forced ▁there after ▁to ▁pay ▁annual ▁t ribute ▁to ▁Del hi . ▁It ▁was ▁probably ▁at ▁this ▁time ▁that ▁the ▁Koh - i - No or ▁diam ond ▁passed ▁from ▁K ak ati ya ▁ownership ▁to ▁that ▁of ▁A la ud din , ▁along ▁with ▁ 2 0 , 0 0 0 ▁horses ▁and ▁ 1 0 0 ▁ele ph ants . ▁ ▁In ▁ 1 3 1 1 , ▁Pr at ap ar ud ra ▁formed ▁a ▁part ▁of ▁the ▁s ultan ate ▁forces ▁that ▁attacked ▁the ▁P and yan ▁emp ire ▁in ▁the ▁south , ▁and ▁he ▁took ▁advantage ▁of ▁that ▁situation ▁to ▁qu ell ▁some ▁of ▁his ▁v ass als ▁in ▁Nell ore ▁who ▁had ▁seen ▁his ▁reduced ▁status ▁as ▁an ▁opportunity ▁for ▁independence . ▁Later , ▁though , ▁in ▁ 1 3 1 8 , ▁he ▁failed ▁to ▁provide ▁the ▁annual ▁t ribute ▁to ▁Del hi , ▁claim ing ▁that ▁the ▁potential ▁for ▁being ▁attacked ▁on ▁the ▁journey ▁made ▁it ▁impossible . ▁A la ud din ' s ▁son ▁M ub ar ak ▁Shah ▁respond ed ▁by ▁sending ▁another ▁of ▁his ▁gener als , ▁Kh us ra u ▁Khan , ▁to ▁O rug all u ▁with ▁a ▁force ▁that ▁br ist led ▁with ▁technology ▁previously ▁unknown ▁in ▁the ▁area , ▁including ▁tre buch et - like ▁machines . ▁Pr at ap ar ud ra ▁had ▁to ▁submit ▁once ▁more , ▁with ▁his