One of Bāvarī’s disciples; he was among those who visited the Buddha at Bāvarī’s request (SN. p.194). The questions he asked of the Buddha on this occasion, and the answers given, are found in the Dhotaka-
In the time of Padumuttara Buddha he was a brahmin teacher named Chaḷaṅga, with a large following, and he built a bridge over the Bhāgīrathī for the Buddha and his monks to cross in comfort. Ap.ii.343 ﬀ.