The differences systematic process of ritual based ceremonies in the past and present in Sri Lanka . ( In this description based on a sacrificial ritual performed sri lankan university in 2019.10.27) Generally refers the ritual based activities come with generation by generation . Because that which had having protected to past from present still us having to chance for getting to experience it. As well as the especial chance to understand in the essence in the past cultuaral habitual rituals. But in here I will hope to discuss how did change the ritual ceremony structure or process in the present society. Especially I am discussing about the general ritual ceremony to all three types of dance traditions in Sri Lanka . Which called Bali ...