The Brahmin dynasty of Sindh (c. 632– 712), also known as the Chacha dynasty, were the Brahmin Hindu ruling family of the Chacha Empire. The Brahmin dynasty were successors of the Rai dynasty. The dynasty ruled on the Indian subcontinent which originated in the region of Sindh, present-day Pakistan. Most of the information about its existence comes from the Chach Nama, a historical account of the Chach-Brahmin dynasty.