Verse 10

परे पदे परिणतं पाञ्चजन्यस्वनैर्मनः ।कथं प्रबुद्धं भगवन्प्रहादस्य महात्मनः

In plain words

Śrī Rāma said: How, Blessed one, was the mind of the great-souled Prahrāda -- which had passed over into the supreme state -- awakened by the sounds of the conch Pāñcajanya?