Navratri festival of Durga

Durga pooja is the one of biggest festival in India. We are celebrating pooja during nine days, we are doing aarti Bhog and parsad and try to give every day flowers to the god. We are worshiping to the pot which is made by mud and we put water into this pot and water must be from river tank or wells, nine days we are worshiping continuously morning and evening , in Hindu religion we are thinking that in the month of ashin and chetre maas god is coming in earth.