Question

who started the delhi saltanat

Answer 1

the Delhi sultanate was started by the slave dynasty

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".