Irrigation Works in Tamil Region

1. Grand Anicut (Kallanai)
- The Grand Anicut, also known as Kallanai, is one of the oldest irrigation works in Tamil Nadu.
- It was built across the Kaveri River by the Chola king Karikalan around the 2nd century AD.
- The dam diverts water for irrigation purposes to the fertile delta region of the Kaveri River.

2. Lower Anicut (Anaikarai)
- The Lower Anicut, also known as Anaikarai, is another important irrigation structure in Tamil Nadu.
- It was constructed across the Kollidam River, a tributary of the Kaveri River, during the British colonial period.
- The dam helps in irrigating the agricultural lands in the delta region.

3. Periyar Dam
- The Periyar Dam is located in the Western Ghats of Tamil Nadu.
- It was built across the Periyar River to provide water for irrigation and hydroelectric power generation.
- The dam has contributed significantly to the agricultural development of the region.

4. Palar Anicut
- The Palar Anicut is a historic irrigation structure built across the Palar River in Tamil Nadu.
- It was constructed by the Pallava kings to divert water for agriculture in the region.
- The dam plays a crucial role in providing irrigation water to the surrounding farmlands.
These irrigation works have played a vital role in the agricultural development of Tamil Nadu, ensuring water supply for crops and contributing to the overall prosperity of the region.