Economy of ancient Tamil country trade. Industrial activity flourished. Inland trading was conducted primarily through barter in busy market places by merchant associations and commercial lending institutions. Merchants formed associations that operated autonomously, without interference from the state. The people of ancient Tamil country engaged in brisk overseas trade with Rome; the trade reached a peak after the discovery of a direct route for merchant ships between Tamilakam and Egypt, taking advantage of the monsoon winds. Pepper, pearls, ivory, textiles and gold ornaments were exported from Tamilakam, and the main imports were luxury goods such as glass, coral, wine and topaz. Foreign trade brought in
Religion in ancient Tamil country or monasteries, learned monks preached their sermons, seated in a place which was entirely concealed from the view of the audience. The Buddhists did not observe the distinctions of caste and invited all ranks to assemble on a footing of equality. Self-control, wisdom and charity were among the virtues preached and practiced by the monks, who were numerous in the ancient Tamil country. Christianity is said to be introduced in India by St. Thomas the Apostle who landed at Muziris on Malabar Coast in the year 52 AD. These ancient Christians are today known as Saint Thomas Christians or Syriac