Agnipurana 119.10

119.10

droṇaḥ kaṃko 'tha(4) mahiṣaḥ kakudmān sapta nimnagāḥ /
kapilāścāruṇāḥ pītāḥ kṛṣṇāḥsyurbrāhmaṇādayaḥ //

Droṇa, Kaṅka, Mahiṣa, and Kakudmat are the seven mountains. / The brāhmaṇas and other classes are the Kapilas, Aruṇas, Pītas, and Kṛṣṇas;