Find out the wrong statement
(a) Razia made an Ethiopian slave nmed Jalal-uddin Yakut, her personal attendant.
(b) Hulagu Khan, was the grandson of chengiz khan.
(c) Jalal-ud-din khalji built forts to guard his empire.
(d) Ghiyas-ud-din Tughluq sent his Jauna khan to fight against Warangal.