The correct answer is (d), Alauddin Khilji.
Alauddin Khilji was the second ruler of the Khilji dynasty of the Delhi Sultanate. He was born in 1296 and ascended to the throne in 1296 after the assassination of his father, Ghiyasuddin Balban. Alauddin Khilji was a powerful and ruthless ruler who expanded the Delhi Sultanate to its greatest extent. He was also a great administrator and military strategist.
Before becoming Sultan, Alauddin Khilji served as the Governor of Kara. Kara was an important city in the Delhi Sultanate and was located on the banks of the Yamuna River. Alauddin Khilji served as the Governor of Kara for several years and during this time he gained valuable experience in administration and military affairs.
The other options are incorrect. Iltutmish was the founder of the Khilji dynasty and he never served as the Governor of Kara. Jalaluddin Khilji was the first ruler of the Khilji dynasty and he was assassinated by Alauddin Khilji. Sikandar Lodi was the founder of the Lodi dynasty and he never served as the Governor of Kara.