The association of Armenians with India and the presence of Armenians in India are very old, and there has been a mutual economic and cultural association of Armenians with India for the last several centuries. Their presence has enriched India in several ways.
Armenians are believed to have come to India, when some Armenians joined the auxiliary elements of the forces under the command of Alexander the Great when he crossed Armenia en route to India. The earliest documented references to the mutual relationship of Armenians and Indians are found in Cyropaedia (Persian Expedition), an ancient Greek work by Xenophon (430 BC – 355 BC). These references indicate that several Armenians traveled to India, and they were well aware of land routes to reach India, as also the general and political geography, socio-cultural milieu, and economic life of the Indian subcontinent.
Armenians had trading relations with several parts of India, and by the 7th century a few Armenian settlements had appeared in Kerala, an Indian state located on the Malabar Coast. Armenians controlled a large part of the international trade of the area, particularly in precious stones and quality fabrics.
An archive directory (published 1956) in Delhi, India states that an Armenian merchant-cum-diplomat, named Thomas Cana, had reached the Malabar Coast in 780 using the overland route. Seven hundred years thereafter, in the year 1498, Vasco da Gama reached the Malabar Coast by sea. Thomas Cana was an affluent merchant dealing chiefly in spices and muslins. He was also instrumental in obtaining a decree, inscribed on a copperplate, from the rulers of Malabar, which conferred several commercial, social and religious privileges for the Christians of that region. In current local references, Thomas Cana is known as "Knayi Thomman" or "Kanaj Tomma", meaning Thomas the merchant.