Aadi-perukku
commonly known as the Aadi monsoon festival and also written as Aadiperukku is a Tamil festival celebrated on the 18th day of the Tamil month of Adi (mid-July to mid-August). The festival pays tribute to water's life-sustaining properties. For the blessing of mankind with peace, prosperity and happiness, nature worship in the form of Amman deities are organized to shower Nature’s bountiful grace on human beings.
Aadi Perukku is a unique South Indian and specially a Tamil festival celebrated on the 18th day of the Tamil month of Adi (mid July). The festival coincides with the annual freshes of the rivers and to pay tribute to water's life-sustaining properties. It is celebrated near river basins, water tanks, lakes and wells etc. of Tamil Nadu when the water level in the rises significantly heralding the onset of Monsoon. It is also famous among Sri Lankan Tamils. This is also celebrated by most of the Tamils around the world.
In India the rivers Ganges and Yamuna, Cauvery and Godavari are considered sacred. Just like the earth gives us food, water is considered as a sacred necessity to meet the needs of individuals. People began to worship water in the form of wells, tanks and rivers. It is common among people to throw fruits, saffron cloths, etc., when the rivers and lakes are in spate purely based on the belief that these rivers are the species of female deities. Similarly every temple has sacred wells and tanks, and water in these resources are considered pure. There are cultural developments of the society that highlight many variations on the theme of primeval water which shows that water culture and civilization represent human interest with sacredness.
Aadi Perukku, otherwise called Padinettam Perukku is a unique occasion dedicated to the 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. Hence "Padinettam perukku" - Padinettu signifies eighteen, and Perukku denotes rising. This festival is observed predominately by women in Tamil Nadu. The Adiperukku, as a water-ritual, celebrated by women is to honour nature.
The association of this ritual with fertility, sex and reproduction is both natural and human. This water ritual practice is performed on the banks of Rivers, which is described as a rice-cultivation tract. The history of this ritual practice dates back to the ancient period and was patronised by the Kings and royal households. This ritual practice existed in various historical periods. Aadi is the month for sowing, rooting, planting of seeds and vegetation since it is peak monsoon time when rain is showered in abundance.