One of Bávarí's disciples; he was among those who visited the Buddha at Bávarí's request (SN. p.194). The questions he asked of the Buddha on this occasion, and the answers given, are found in the Dhotakamánavapucchá. SN, p.204f; explained at SNA (ii.592f.) and also Chid. (19ff.). He became an arahant.
In the time of Padumuttara Buddha he was a brahmin teacher named Chalanga, with a large following, and he built a bridge over the Bhagírathí for the Buddha and his monks to cross in comfort. Ap.ii.343ff.