The Mehrauli pillar inscription belongs to the period of the

Answer: Option D

The iron pillar of Delhi, India is a 7 meter (22 feet) high pillar in the Qutb complex which is notable for the composition of the metals used in its construction. The pillar, almost seven meters high and weighing more than six tons, was erected by Chandragupta II Vikramaditya (375 CE–414 CE), (interpretation based on analysis of archer type Gupta gold coins) of the Gupta dynasty that ruled northern India 320–540.