 In South Asia, R1a1a has often been observed in a number of demographic groups.In India, high frequencies of this haplogroup is observed in West Bengal Brahmins (72%) to the east, Gujarat Lohanas (60%) to the west, Khatris (67%) in the north and Iyengar Brahmins (31%) in the south.It has also been found in several South Indian Dravidian-speaking Adivasis including the Chenchu (26%) and the Valmikis of Andhra Pradesh, Kota (22.58%) and the Kallar of Tamil Nadu suggesting that R1a1a is widespread in Tribal Southern Indians.