Question

The real foundation of sultanate dynasty was laid?

Answer 1

It was Qutub-uddin-Aibak, the slave of Ghori who laid the foundation of Slave dynasty and starting of Delhi sultanate that ruled India from 1206–1526. ... The Ghurid SultanMu'izz al-Din Muhammad began a systematic war of expansion into north India in 1173.

Answer 2

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.