The aadi month falls during the monsoon season and is essentially a thanksgiving to monsoon which fills the rivers – the lifeline of farmers. The festival is celebrated in full fervor by people residing along the Cauvery River bank. Perukku means rising – indicating the rising water in rivers. The festival is essentially a form of Nature worship
The Hindu festival going by the name 'Vara Lakshmi Vratha' is celebrated on the Friday before the full moon in the Tamil Month 'Aavani' which corresponds to the English months of July-August. It is a festival to propitiate the goddess Lakshmi, the consort of Vishnu, one of the Hindu Trinity. Varalakshmi is one who grants boons (Varam).
Aadi festival is celebrated for the birth of the tamil month of Aadi (July - August)
This festival is special for various Ammans. Sundays, Tuesdays and Fridays of this month are considered very auspicious. A lot of festivals are celebrated in the month of Aadi.