Rasa Purnima is a Hindu Festival and is celebrated amongst the Sikhs and the Jains as well and it is considered as the holy festival and is celebrated on the full moon day or the 15th day of the Kartik. It is also known as Kartik Purnima or Tripuri Purnima. It is the festival of the God of Lights. The festival is celebrated with joy in the Southern states of the country like Karnataka, Andhra Pradesh, Telangana, Kerala, Tamil Nadu and Shri Lanka.
The Tripuri Purina got its name from the Tripurasura demon. Tripurari is the epithet of God Shiva. Kartik Purnima is also the celebrated as the birthday of Matsya, who is the fish – the incarnation of Lord Vishnu. It is also the birthday of Vrinda, which is the personification of the plant tulsi and Kartikeya, which is the son of Lord Shiva and is also the war god. The day is also a special day because it is believed that on this day Lord Krishna and Radha danced on the Rasas and also that Lord Krishna worshipped Radha on this day. The day is also dedicated to the Dead and also the ancestors. The day becomes more auspicious when it falls on the Nakshatra and then the day is called as Maha Kartik.
The festival is celebrated with a lot of joy and it is also associated with the Ekadashi and it also marks the end of Chaturmas. In Pushkar, there is a Pushkar Mela that is organized and on this fair, the Lord Brahma is honored and worshipped and a bath is taken on the Pushkar Mela. A ritual bat at other pilgrimage places is also taken. The food is being offered to the deities in the temples, and a lot of people also do charity on this day.