Qutub-ud-din-Aibak was believed to deliver a fair and just decision to his citizens and rarely lost any battle. Since a turbulent time prevailed he basically aimed for peace and prosperity to his people. Since he was a devout Muslim, construction of several mosques were seen in his reign. His reign lasted for a few years only. It was he who had initiated the construction of the Qutab Minar in Delhi, but could not complete its construction and so was completed by his successor. A struggle for the power was seen after the death of Qutub-ud-din- Aibak. Later his son-in-law, Malik Shams-ud-din Iltutmish, took over the throne. Iltutmish was considered a very intelligent man. He began expanding his empire once he ascended the throne and did that through a series of battles.
Iltutmish received the title of Khalifah of Baghdad from Ali Mastansir Billah in 1299 AD. Also later he was known as the sovereign ruler of his conquered land and was honored with another title of Sultan-I-Azam (Great Sultan). Later in 1221 AD, he even fought away a Mongol attack which was lead by the famous brutal Chengiz Khan. He ensured that the Sultanate was maintaining its control over India and gradually extended his empire covering a major part of the country. He nominated his own daughter Raziyya, as his successor and the next Sultan as he didn't consider any of his sons capable enough.
Since the people and nobles didn't agree with a female running the empire, they united and put up Rukn-ud-din Firuz, Iltutmish's eldest son, to the throne. Since he had no interest in this empire making him the successor of Iltutmish proved to be a grave mistake. Taking opportunity of the situation his mother Shah Turkhan seized control. The nobles were still not ready and so they re-appointed Razziya as their sultan, although there was still a group who did nt agree with her being the Sultan. Raziyya proved to be a very capable ruler. She even overcame many difficulties with her tactful and diplomatic capabilities. She always dressed like a man.
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