Inclusiveness and exclusivity in Ayyavazhi is the inclusive and exclusive ideology of Ayyavazhi scriptures over other religions. The formula of inclusivism and exclusivism was applied in the religio-cultural universe of Ayyavazhi is one that is not found anywhere else in the world. Though there are separate verses towards inclusivism and exclusivism as central themes in Akilam, the mixture of both is unique. The inclusivistic theory of accepting the views of different religions for a certain period of time and from then onwards exclusivistically rejecting all of them by narrating that all the previous had lost their substances is a mythical as well as religious break-through. View on gods Ayyavazhi accepts all God heads of several religions such as the concept of Allah and almost all God-heads in Hinduism. The Vaishnavite concept of Maha Vishnu is often referred to in Ayyavazhi scriptures. It also includes the avatars of Narasimha, Rama, Krishna etc. Also, many quotes in Akilam give space for glorifying the activities and discussions of Vishnu. More over Vaikundar is said to be son of Narayana. The Saivite concept of Parasiva, The Trimurthi conception, all found place here. It also says that Siva is the supreme head of all the Deva Sanga. It also includes many events about the Tamil God Muruga. But unlike in Hinduism, Muruga is considered as one among the six primary Avatars of Vishnu. Akilam refer to Vaikundar as Thanumal Vethan, which means Vaikundar himself is Siva Vishnu and Brahma. In midst of the meta-narrative mythography it also refers to Ganapathi, Indra, Varuna, Vayu, etc. It too refers to female god-heads such as Lakshmi, Sarasvati, Parvati, Kali, Saptha Kannis, etc. All the God-heads are treated with similar powers as referred in Hindu scriptures. All this divine powers (god-heads) are viewed as the lesser manifestation of one and supreme power Ekam. But due to the advent of Kaliyan and because of the cruel nature of his boons, for the first time the supreme God or the 'God beyond Consciousness' (Ekan) incarnates in the world as Vaikundar and so all the God-heads were surrendered to Vaikundar and all the previous scriptures had lost their substances. And so for the Kaliyukam, Vaikundar was said to be the only worshipable God and hence, the theology of Ayyavazhi was channeled towards exclusivism. Apart from this it also refers to some God-heads from Abrahamic traditions. It says that Narayana, who is one