as both have their spiritual and temporal leaders based within Kerala, India unlike many other Christian Churches of Kerala. However, there is no official Holy communion relationship between both the churches. At the same time, both clergy and laity come together in matters of social and public concern. Ecumenical worship services during Christmas season is common outside Kerala among the diaspora, and also at many places within Kerala. Marriages between the members of the two Churches are very common given the mutual historical privileged caste status of Kerala Syrian Christian community, although ecclesiastical authorities like to discourage such alliances and may not grant proper documents. Leaders of both churches have held ecumenical dialogues to discuss their differences in theology, traditions or practices that still remain pending clarification for mutual recognition, joint theological education and research, and communion; such efforts remain ongoing. There are many church leaders in both the churches who are widely respected across the larger Syrian Christian community, irrespective of their individual affiliation. Mar Thoma church has established an internal tradition that it will never consecrate an Episcopal or Metropolitan with the Greek name Baselios The ecclesiastical title of Catholicos of Edessa, which is now being used for primates of the Malankara Orthodox Syrian Church( holding the ecclesiastical title of Catholicos of the East) and Jacobite Syrian Christian Church (holding ecclesiastical title of Catholicos of India). Both Mar Thoma Church and Malankara Orthodox Church believes that their Primates are occupying the Ecclesiastical Throne of St Thomas. Both churches share church buildings to conduct their worship services at several places such as Chengannur, Koorthamala, Bahrain, Hyderabad etc. with peace and mutual love. These serve as examples of Christian Unity and brotherhood that many other churches can learn from and replicate. Relationship with STECI, Old Catholic and Lutheran churches The Mar Thoma Church has concluded its ecumenical dialogue with the Old Catholic Churches of the Union of Utrecht in 2014. This dialogue is in the process of reception. There is an ecumenical dialogue of the Mar Thoma Syrian Church with the Lutheran churches. Relationship with Eastern Catholic Churches in India The church maintains friendly relations with the Syro-Malabar Catholic Church and the Syro-Malankara Catholic Church; but the Catholic doctrines are not accepted by Mar Thoma church in their fullness. The Mar Thoma Church keeps a multifaceted approach in these relationships by adapting to the spiritual and cultural environment of the