Chhath Puja is an ancient hindu festival of indian ethnicity and is the only vedic festival of hindu sun and Chhathi maiya.

The sun, considered as the god of energy and of the life-force, is worshiped during this festival to promote well-being, prosperity and progress.

Chhat Puja is One of the Most Important festival of India Specially for Bihar and Eastern Uttar Pradesh of India and the Madhesh of Nepal.It's mainly origin was in Biha.The Chhath Puja is dedicated to the Sun and his wife Usha.

The Sun(Surya), thought about/believed as the god of energy and of the life-force, is worshiped during the Chhath special celebration (with fun events) to (help increase/show in a good way) well-being, richness and progress. In Hindu religion, Sun worship is believed to help cure some sicknesses, including (bad skin disease) and also helps secure/make sure of the long life and richness of family members, friends, and older.

The rituals of the festival are rigorous and are observed over a period of four days. They include holy bathing, fasting and abstaining from drinking water (Vratta), standing in water for long periods of time, and offering prashad (prayer offerings) and arghya to the setting and rising sun.