Thuluva Vellala (also known as Thuluva Vellalar, Tozhu Vellala), acronym of Thondaimandala Thuluva Vellala is a vellala caste who migrated from Tulu Nadu and settled in northern Tamil Nadu, southern Andhra Pradesh and southern Karnataka. They have many synonyms viz., Arcot Mudaliar, Arcot Vellala, Agamudaiyar, Agamudi Mudaliar.
They are predominantly living in erstwhile North Arcot region (Current day Vellore, Tiruvannamalai, Ranipet and Tirupattur districts). They had migrated to several cantonment towns in North India, Burma and Malaya in British times. The Thondaimandala Tuluva Vellala sabha in the chennai city was the oldest of its kind and played the major part in developing Tamil - Carnatic music.
Arcot Mudaliars are generally superior in education and anglophilic
Thuluva Vellala, settled in Tondaimandalam are of 12,000 clans. The region they dwelled consisted of 24 divisions called as kottams. These kottams were subdivided into 64 naadus, which in turn comprised 999 villages.