Who was the military commander of the Ghurid dynasty who led the Turkish incursions into Bihar and Bengal, leading to the fall of the Sena capital in the late 12th century?

Options:

• A: Qutb-ud-din Aibak
• B: Muhammad Ghori
• C: Shams-ud-din Iltutmish
• D: Ikhtiyar al-Din Muhammad Bakhtiyar Khalji

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