The famous iron pillar at Mehrauli, Delhi, dates back to the ______ period.
- Ikshvaku
- Indo-Greek
- Gupta
- Vijayanagara
Answer: Gupta
The rust-resistant Iron Pillar (c. 4th-5th century CE) showcases advanced metallurgy of the Gupta period. It was originally erected at Udayagiri and later moved to Delhi. [[1]]