Mahmud of Ghazni
the most prominent ruler of the Ghaznavid Empire.
He conquered the eastern Iranian lands and the northwestern Indian subcontinent from 997 to his death in 1030. Mahmud turned the former provincial city of Ghazna into the wealthy capital of an extensive empire which covered most of today's Afghanistan, eastern Iran, and Pakistan, by looting the riches and wealth from the then Indian subcontinent. He was the first ruler to carry the title Sultan , signifying the extent of his power, though preserving the ideological link to the suzerainty of the Abbassid Caliphate. During his rule, he invaded and plundered parts of Hindustan 17 times