Kallar is one of the three related castes of southern India which constitute the Mukkulathor confedaracy or league of caste. The Kallar, along with the Kallar caste and Maravar caste, constitute a united social caste on the basis of professions, though their locations and heritages are wholly separate from one another.The Kallars, along with the Kallar and Thevars, traditionally practised a Tamil martial art variously known as "adi murai", "chinna adi" and "varna ati".The Kallar were traditionally a non-vegetarian people.