Chhath Puja is a festival celebrated in reverence to the Sun God. The festival commences with the end of Deepavali.
It entails preparations for the purification of the soul. It can be performed by anyone irrespective of caste or religion as the festival is a way to pure mind and soul.
However, Chaath Puja of Bihar is particularly famous. The festival is also celebrated in the states of Madhya Pradesh, Uttar Pradesh, Chattisgarh, Delhi, and Chandigarh.
Chhath is an ancient Hindu festival and only Vedic Festival dedicated to the Hindu Sun God, Surya, also known as Surya Shashti. It is known that Draupadi and the Pandavas, the rulers of Hastinapur (modern Delhi), celebrated and followed the rites of Chhath Puja on the advice of the sage, Dhaumya. It was due to the Draupadi’s prayers and worship of the Sun God, the Pandavas could salvage their lost kingdom. Draupadi was also blessed and rewarded. All her immediate quandaries were solved.
Some opine that Karna, the son of Surya, had started the tradition of worshiping the Sun God. He had ruled over Anga Desh (Bhagalpur district of Bihar) during the period of Mahabharata. The intrepid fighter Karna fought hard against the strong Pandavas in Kurukshetra war.