[3][4][5] Aadi Perukku is a South Indian Hindu festival celebrated on the 18th day of the Tamil month of Adi (mid-July).

Aadi Perukku, otherwise called Padinettam Perukku is a unique occasion dedicated to all the perennial river basins of Tamil Nadu and major lakes water source areas and is intended to celebrate the water rising levels due to the onset of monsoon, which is expected to occur invariably on the 18th day of the solar month, Aadi corresponding to 2 or 3 August every year.

The history of the ritual practice dates back to the ancient period and was patronised by the Kings and royal households.

where prayers and pujas are offered to propitiate the powerful goddess to seek their protection from the inauspicious aspects that are often associated with the month.

It is during this time that the monsoon peaks on the west coast and the rivers of Tamil Nadu, dried in the summer heat, are replenished.

Mulaipari (Sprouting or germination of Nine Grains or Navadhanyam in a basket or clay mud pots) is a very important ritual, which takes place at almost every village celebration.

The original meaning of the ritual performance was a request to the village goddess for rain and fertility of land, in order to secure a rich harvest.