The festive period continues with the celebration of Chhath Puja, a Hindu festival celebrated predominantly in the states of Bihar, Jharkhand, and eastern Uttar Pradesh. Chhathi Maiya, believed to be the sister of the Sun God is worshipped during the festival, which is celebrated six days after Diwali. It marks a period of strict fasting for devotees. As such, here are five healthy foods to eat during Chhath Puja, focusing on nutrition and easy digestion. Scroll down.