The rites, rituals and prayer are called religious ceremony and conduct in spiritual life. Every society needs spiritual life for the survival of man. In spiritual life man’s needs faith, belief and prayer etc. which altogether called worship to keep contact oneself with God. Therefore, to get peace and happiness man has to perform rites, rituals and prayers in the form of worship as means of spiritual aspiration. In Adis also there are many rites and rituals as per their faith and beliefs system like occasion of festival, healing ailment, natural calamity, birth and death etc. This paper highlighted their religious beliefs and practices.