Is vidhate a deshastha rigvedi brahmin surname?

Yes, Vidhate is a Deshastha Rigvedi Brahmin surname. The Deshastha Brahmins belong to the Pancha Dravida Brahmin classification and primarily hail from the states of Maharashtra and northern Karnataka in India. Rigvedi Brahmins are those who have traditionally studied and recited the Rigveda, one of the four Vedas in Hinduism. So, Vidhate being a Deshastha Rigvedi Brahmin surname indicates a specific lineage within the broader Brahmin community.