Skandapurana 6.3.24.1

6.3.24.1

śrīmārkaṇḍeya uvāca -
saṅgamaḥ karanarmadayoḥ pure māndhātṛsaṃjñite .
gatvā snātvā tapayitvā pitḥnviṣṇupuraṃ nayet .. 24.1 ..

Glorious Mārkaṇḍeya said: / The confluence of the Kara and the Narmadā is in the city named Māndhātṛ. / Going there, bathing, and gratifying the ancestors, one can lead them to the realm of Viṣṇu.