HomeUPSCWhich Khilji ruler killed his father-in law to ascend the throne of Delhi? 23. Which Khilji ruler killed his father-in law to ascend the throne of Delhi?By Admin / October 4, 2025 A. Qutb-ud-din Aibalk B. Jalal-ud-din khilji C. Ghiyas-ud-din D. Ala-ud-din Khilji ✅ The correct answer is option D.