Theory:

Livelihoods of the people
The Megalithic people applied their knowledge by earning their livelihood which was not seen in the past periods. They settled near rivers and tanks which helped them to acquire water that is used for their sustenance as well as their Irrigational purposes.
 
megalith site.jpg
Megalithic site

The people cultivated various crops like Millets and rice and also domesticated animals like sheep, cow etc for their irrigation and consumption purposes. Adhichanallur in Thoothukudi and Porunthal in Palani are some of the Megalithic sites where the cultivation of rice was found.
Administration during Iron Age
During the Iron age, many communities of people settled in a various place that includes
  • Pastoralists.
  • Pot makers.
  • Hunters and Gatherers.
  • Craftsmen.
  • Blacksmiths.
ancient pot making.jpg
Ancient Pot making
These people belonging to various groups or communities were governed by their people who are elected as heads of the tribe. The wars and invasions began during this period. The stealing of Cows leads to wars during the Iron age.
Potteries
iron age pottery.jpg
Iron age pottery
The Iron age witnessed the advancement in potteries they mostly used
Black and Redware. (Black inside and Red outside).
Black pots.
Red pots.
Pots in these periods are mainly used for cooking and storage purposes.
Tools of this Period
  • The Iron-based tools are mainly used for making weapons like swords, daggers, Axes etc. Many iron tools are also employed in Irrigation, crafting and other Purposes.
iron age dagger.jpg
An Iron Age Dagger.
  • The tools are also found their place in megalithic burials which were kept along with the dead. Some Bronze tools with animal and plant decorations are found during the later part of the Iron Age.