Srimad-Bhagavatam: Canto 8 - Chapter 1 - Verse 8
Sanskrit:
इन्द्रो मन्त्रद्रुमस्तत्र देवा आप्यादयो गणा: ।मुनयस्तत्र वै राजन्हविष्मद्वीरकादय: ॥ ८ ॥
ITRANS:
indro mantradrumas tatradevā āpyādayo gaṇāḥmunayas tatra vai rājanhaviṣmad-vīrakādayaḥ
Translation:
During the reign of Cākṣuṣa Manu, the King of heaven was known as Mantradruma. Among the demigods were the Āpyas, and among the great sages were Haviṣmān and Vīraka.