Kallar are a community found in the central and south-eastern parts of the Indian state of Tamil Nadu. Kallar means thiefs. The Kallar, along with the Maravar

Maravar

Maravar are a Tamil community of the state of Tamil Nadu, southern India, and are one of the three branches of the Mukkulathor confederacy.Maravars are found predominantly in the Southern districts of Tamilnadu viz., Madurai, Theni, Sivagangai, Ramanathapuram, Dindigul, Virudhunagar, Thirunelveli,...

 and Akamudayar, constitute the Mukkulathor

Mukkulathor

The Mukkulathor community is native to the southern districts of Tamil Nadu, India. The name "Mukkulathor" alludes to the three roughly designated groups and which make up this large endogamous social group...

 confederacy, a united social caste on the basis of parallel professions, though their locations and heritages are wholly separate from one another.

The earliest references to the Kallar community go back to the Sangam period when they are believed to have inhabited the Paalai regions.