Correct Answer - Option 1 : C, D, A, B
We often take the use of iron for granted today. Things made of iron (and steel) are a part of our daily lives.
- Beginning of the use of iron in the subcontinent (about 3000 years ago)
- Increase in the use of iron, cities, punch-marked coins (about 2500 years ago)
- Beginning of the composition of Sangam literature (about 2300 years ago)
- Settlement in Arikamedu (between 2200 and 1900 years ago). Arikamedu was a coastal settlement where ships unloaded goods from distant lands.
Hence, the correct sequence is C, D, A, B.