Multiple choice The iron pillar near Qutab Minar in Delhi was built during the reign of Alau-ud-din Khilji Vikramaditya/Chandragupta II Ashoka Qutabdin Aibak Reveal answer Fill a bubble to check yourself B Correct answer Explanation The Iron Pillar of Delhi, known for its resistance to corrosion, is attributed to the reign of Chandragupta II (Vikramaditya) of the Gupta dynasty.