Find here Chhath Puja Wallpaper Desktop HD Cards Quotes. This is one of top holy festival. It is the festival of purity. Everything should be pure in the festival. It is 5 days festival, celebrated in Nepal and India, some states of India like Bihar and UP. Happy Chhath Pooja 2016. Happy Chhath Puja 2073. This Chhath Puja is also called Chhathi maiya festival.