Alauddin Khilji was the first Sultan of Delhi to launch systematic campaigns into South India. His general Malik Kafur led expeditions against the Yadavas, Hoysalas, Kakatiyas and Pandyas. These campaigns brought immense wealth to the Delhi Sultanate and extended Alauddin’s influence over large parts of the peninsula, though he did not annex the region directly.

ANSWER: (B) Alauddin Khilji