Aadi Perukku, or Pathinettam Perukku, is an important festival in the Tamil month of Aadi (mid-July to mid-August). Aadi refers to a Tamil month, while ‘Perukku’ means ‘to multiply’. It is celebrated on the 18th day of Aadi month. ‘Pathinettu’ in Tamil means 18. During Aadi, people worship Amman forms of Goddess Shakti that are related to rivers and natural forces. The festival honors Mother Nature, rivers, and other water bodies. It is observed on the banks of the Cauvery River and other major