Śrīmad-Bhāgavatam · Texts 10.89.48-49
Who is speaking and story frame
तत्राश्वा: शैब्यसुग्रीवमेघपुष्पबलाहका: ।
तमसि भ्रष्टगतयो बभूवुर्भरतर्षभ ॥ ४८ ॥
तान् दृष्ट्वा भगवान् कृष्णो महायोगेश्वरेश्वर: ।
सहस्रादित्यसङ्काशं स्वचक्रं प्राहिणोत् पुर: ॥ ४९ ॥
tatrāśvāḥ śaibya-sugrīva-
meghapuṣpa-balāhakāḥ
tamasi bhraṣṭa-gatayo
babhūvur bharatarṣabha
tān dṛṣṭvā bhagavān kṛṣṇo
mahā-yogeśvareśvaraḥ
sahasrāditya-saṅkāśaṁ
sva-cakraṁ prāhiṇot puraḥ
In that darkness the chariot’s horses — Śaibya, Sugrīva, Meghapuṣpa and Balāhaka — lost their way. Seeing them in this condition, O best of the Bhāratas, Lord Kṛṣṇa, the supreme master of all masters of yoga, sent His Sudarśana disc before the chariot. That disc shone like thousands of suns.
Read the purport on Vedabase.ioFrom Canto 10, chapter 14 onward, the translation and purports were completed by Śrīla Prabhupāda's disciples after his departure, and published by the Bhaktivedanta Book Trust.