A shekara ta 1210, Qutb al-Din Aibak ya mutu ba zato ba tsammani a Lahore a lokacin da yake buga wasan Polo, ba tare da bayyana magajinsa ba.Don hana rashin zaman lafiya a masarautar, sarakunan Turkawa (malik da amira) a Lahore sun nada Aram Shah a matsayin magajinsa a Lahore.Wasu manyan mutane, karkashin jagorancin mai shari'a na soja (Amir-i Dad) Ali-yi Ismail, sun gayyaci Iltutmish don ya hau kan karagar mulki.Iltutmish ya yi tattaki zuwa Delhi, inda ya karbe mulki, daga baya kuma ya yi galaba a kan sojojin Aram Shah a Bagh-i Jud.Babu tabbas ko an kashe shi a fagen fama, ko kuma an kashe shi a matsayin fursunan yaƙi.Ƙarfin Iltutmish ya kasance mai wuyar gaske, kuma da yawa daga cikin amirai (masu daraja) sun ƙalubalanci ikonsa kamar yadda suka kasance masu goyon bayan Qutb al-Din Aibak.Bayan jerin cin nasara da kisan gilla na adawa, Iltutmish ya ƙarfafa ikonsa.An yi ta kalubalantar mulkinsa sau da yawa, kamar Qubacha, wanda hakan ya haifar da yaƙe-yaƙe.Iltutmish ya ci Multan da Bengal daga fafatawa da sarakunan musulmi, da Ranthambore da Siwalik daga sarakunan
Hindu .Ya kuma kai hari, ya yi nasara, ya kuma kashe Taj al-Din Yildiz, wanda ya tabbatar da hakkinsa a matsayin magajin Mu'izz ad-Din Muhammad Ghori.Mulkin Iltutmish ya kasance har zuwa shekara ta 1236. Bayan mutuwarsa, masarautar Delhi Sultanate ta ga jerin shuwagabanni masu rauni, suna jayayya da manyan musulmi, kisan gilla, da kuma wa'adin mulki na gajeren lokaci.