How does Tamil Nadu irrigate the lands despite having no perennial rivers?

Lack of groundwater

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Sufficient rainfall

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Lack of irrigation facilities

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Lack of technological advancement

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Solution

The correct option is B Sufficient rainfall
In 2014–15, only 57% of the cultivated land in Tamil Nadu was irrigated using scientific methods. The rest of the land was irrigated by the rain. The rain fills the dams across the Cauvery River. It also fills all the water reservoirs like lakes, large tanks, and ponds. Groundwater collected due to rainfall also helps in irrigation.

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