Skanda Purana 6.1.72.29

6.1.72.29

27 aṃkapādākhyasthānamāhātmyavarṇane balarāmakṛṣṇayorjanmakarmanirūpaṇam, sāṃdīpanaye gurudakṣiṇāṃ dātuṃ pravṛttayostayo rāmakṛṣṇayoḥ samudrasthaṃ śaṃkhāsuraṃ hatvā yamaloke gamanam, tatra yamasya parājayaṃ kṛtvā sāṃdīpaniputraṃ gṛhītvā tayorgurusamīpa āgamanam, avaṃtyāmaṅkapādākhye liṃgasthāpanam, mūrtipañcakamāhātmyavarṇanama, ... 24 1

27 Description of the māhātmya of the place called Aṅkapāda: account of the birth and deeds of Balarāma and Kṛṣṇa; when those two, Rāma and Kṛṣṇa, set out to offer the preceptor's fee to Sāndīpani, their killing of the demon Śaṅkha residing in the ocean and going to the realm of Yama; there defeating Yama, taking Sāndīpani's son, and their returning to their guru; installation of a liṅga at the place named Aṅkapāda in Avantī; description of the māhātmya of the five mūrtis ... 24 1