Malankara Orthodox Syrian Church

The Malankara Orthodox Syrian Church also known as the Indian Orthodox Church or simply as the Malankara Church, is an autocephalous Oriental Orthodox church headquartered in Devalokam, near Kottayam, India. The church serves India's Saint Thomas Christian population. According to tradition, these communities originated in the missions of Thomas the Apostle in the 1st century. It employs the Malankara Rite, an Indian form of the West Syriac liturgical rite.

The MOSC descends from the Malankara Church and its affiliation with the Syriac Orthodox Church. However, between 1909 and 1912, a schism over the authority of the Syriac Orthodox Patriarch of Antioch's authority resulted in the dissolution of the unified Malankara Church and establishment of the overlapping and conflicting MOSC and Jacobite Syrian Christian Church.