Probable that Agastya brought with him Brahmin families as well and they might have settled in the Konkan Region, Goa.
There is a view that Parashurama brought them to the South.
Saraswat Brahmins lived on the banks of now-extinct Saraswati River that flowed in the northern part of India. They derived their name from either the river or from their spiritual leader, Saraswat Muni. who lived on the banks of the Saraswati.