From the Nishadas originate a caste called Madgura and another known by the name of Dasas whose business is plying boats. From the Chandalas originates a race called Shvapaka whose business lies in keeping guard over the dead.
निषादो मद्गुरं सूते दासं नावोपजीविनम्। मृतपं चापि चाण्डालः श्वपाकमिति विश्रुतम्॥