<P> Qutb al - Din Aibak , a former Turkic Mamluk slave of Muhammad Ghori , was the first sultan of Delhi , and his Mamluk dynasty conquered large areas of northern India . Afterwards , the Khalji dynasty was also able to conquer most of central India , but both failed to conquer the whole of the Indian subcontinent . The sultanate reached the peak of its geographical reach during the Tughlaq dynasty , occupying most of the Indian subcontinent . This was followed by decline due to Hindu reconquests , states such as the Vijayanagara Empire asserting independence , and new Muslim sultanates such as the Bengal Sultanate breaking off . </P>
<P> Qutb al - Din Aibak , a former Turkic Mamluk slave of Muhammad Ghori , was the first sultan of Delhi , and his Mamluk dynasty conquered large areas of northern India . Afterwards , the Khalji dynasty was also able to conquer most of central India , but both failed to conquer the whole of the Indian subcontinent . The sultanate reached the peak of its geographical reach during the Tughlaq dynasty , occupying most of the Indian subcontinent . This was followed by decline due to Hindu reconquests , states such as the Vijayanagara Empire asserting independence , and new Muslim sultanates such as the Bengal Sultanate breaking off . </P>
who made delhi the capital of his kingdom for the first time
who made delhi the capital of his kingdom for the first time
Qutb al - Din Aibak
Qutb al - Din Aibak