Tamil harvest festival is celebrated with decorated cows, processions and colorful Rangolis. One of the most popular Tamil festivals, it is celebrated on January 14th every year, when it coincides with Makar Sankranti celebrations in entire North India, Lohri in Punjab, Bhogali Bihu in Assam and Bhogi in Andhra Pradesh. It is one of the very few Dravidian festivals that have survived the Indo-Aryan influences. Pongal also finds little reference in Puranas. Pongal marks the season of celebration and joyous activities and it is celebrated continuously for four days. On the day, Bhogi Pongal, celebrations are confined to the house. the Pongal day, is celebrated by boiling fresh milk early in the morning and allowing it to boil over the vessel.
The day is Maattu Pongal, honoring cattle. Cows and bullocks are washed, decorated and worshipped, for their role in ensuring a good harvest. Pongal also marks the beginning of a New Year and is the day to praise and thank God with full devotion, faith and sincerity of heart.