King Indra, being very pleased with Hariścandra, offered him a gift of a golden chariot. Śunaḥśepha’s glories will be presented along with the description of the son of Viśvāmitra.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
जमदग्निरभूद्ब्रह्मा वसिष्ठोऽयास्यसामगः । तस्मै तुष्टो ददाविन्द्रः शातकौम्भमयं रथम्
jamadagnirabhūdbrahmā vasiṣṭho'yāsyasāmagaḥ | tasmai tuṣṭo dadāvindraḥ śātakaumbhamayaṃ ratham
SB 9.7.23