The correct answer is IItutmish. Iltutmish (AD 1210‚¬€œ1236)In AD 1210, Aibak died of injuries received in a fall from his horse while playing Chaugan (Polo). After his death, a few amirs raised his son Aram Shah to the throne in Lahore. But Aram Shah was an incapable ruler and the Turkish amirs opposed him. The Turkish chiefs of Delhi invited the governor of Badayun (son-in-law of Qutbuddin Aibak) ‚¬Å“Iltutmish‚¬ to come to Delhi. The credit of consolidating the Delhi Sultanate lies largely with him. He was the third of the Mamluk kings who ruled the former Ghurid territories in northern India. He was the first Muslim sovereign to rule from Delhi and is thus considered the effective founder of the Delhi Sultanate. He saved the Sultanate from destruction by the Mongols. From AD 1225 onwards, Iltutmish engaged his armies in suppressing the disturbances in the East. In AD 1226‚¬€œ27 Iltutmish sent a large army under his son Nasiruddin Mahmud which defeated Iwaz Khan and brought Bengal and Bihar back into the Delhi Sultanate. Important PointsAli Mardan Khan was a Kurdish military leader and administrator, serving under the Safavid king's Shah Abbas I and Shah Safi, and later the Mughal ruler Shah Jahan. Shah Jahan_1627-1658 was a mughal emperor after Babur, Humayun, Akbar and Jahangir. later there was conflict over succession amongst Shah Jahan‚¬„¢s sons. Aurangzeb was victorious after Shah Jahan was imprisoned for the rest of his life in Agra. HintMughal Empire was established by Babur in 1526 AD that had been calculated till the death of Aurangzeb in 1707 AD. His death was followed by a succession of conflicts amongst his sons. The rulers of DelhiRAJPUT DYNASTIESTomaras_ Early twelfth century-1165Ananga Pala_1130-1145Chauhans_1165-1192Prithviraj Chauhan_1175-1192 EARLY TURKISH RULERS 1206-1290Qutbuddin Aybak_1206 1210Shamsuddin Iltutmish_1210-1236Raziyya_1236-1240Ghiyasuddin Balban_1266-1287KHALJI DYNASTY 1290-1320 Jalaluddin Khalji_1290-1296Alauddin Khalji_1296-1316 TUGHLUQ DYNASTY 1320-1414Ghiyasuddin Tughluq_1320-1324Muhammad Tughluq_1324-1351Firuz Shah Tughluq_1351-1388SAYYID DYNASTY 1414-1451Khizr Khan_1414-1421LODI DYNASTY 1451-1526Bahlul Lodi_1451-1489Confusion PointThere are two ways of looking at things one is If we consider who establish the empire and the second is who establish administrative machinery. Mohammad Ghori defeated the rulers in India and secure the throne of Delhi, However, after winning he returned to Afghanistan and ceded the throne to Aibak. However, it was Illtutmish who laid the foundation of the Slave dynasty by creating administrative machinery and making Delhi the true seat of power. Before him, Aibak was ruling as a representative of Ghori and as an extension of Afghan Power.