Srimad-Bhagavatam: Canto 8 - Chapter 1 - Verse 15
Sanskrit:
गदाप्रहारव्यथितो भृशं विह्वलितो गज: ।जानुभ्यां धरणीं स्पृष्ट्वा कश्मलं परमं ययौ ॥ १५ ॥
ITRANS:
gadā-prahāra-vyathitobhṛśaṁ vihvalito gajaḥjānubhyāṁ dharaṇīṁ spṛṣṭvākaśmalaṁ paramaṁ yayau
Translation:
Being beaten by Jambhāsura’s club, Indra’s elephant was confused and aggrieved. Thus it touched its knees to the ground and fell unconscious.