Question: iron pillar near qutub minar built by whom
Answer: The iron pillar of Delhi is a 7 m ( 23 ft ) kirti stambha ( column of fame or victory column ) , originally erected and dedicated as dhvaja ( banner ) to Hindu deity lord Vishnu in 3rd to 4th century CE by king Chandra , currently standing in the Qutb complex at Mehrauli in Delhi , India .