"After the death of Iltutmish, there was a brief lull in enslavement because of the weakened power of the sultans. In 1244, Sultan Nasiruddin Mahmud, commanded by Ulugh Khan Balban, attacked the Gukkar rebels of the Jud Mountain in Multan and carried away ‘several thousand Gukkars of all ages and of each sex,’ records Ferishtah."