Kind of irrigation works developed in the Tamil region:
(i) Water from the channels of river Kaveri provided the necessary moisture for agriculture (ii) Some areas wells were dug and in some places huge tanks were constructed to collect
rainwater.
(iii) Embankments were built to prevent flooding.
(iv) Canals were constructed to carry water to the fields.
(v) Sluice-gate were built to regulated the outflow of water from a tank into the channels that
irrigated the fields.