Valmiki Ramayana Yuddha Kanda Sarga 67 Shloka 109
Original Shlokaऐरावतंबलेनसमारूढोवृतःसर्वामरैःप्रभुः । नैवशक्रोऽपिसमरेस्थितपूर्वःकदाचन ।।6.67.109।।
1 source checked for this shloka
ऐरावतम् Airavatham, समारूढः mounted on, सर्वामरैः by all Devatas, वृतः surrounded by, प्रभुः Lord, शक्रोऽपि even Indra, कदाचन indeed, समरे in conflict, स्थितपूर्वः stood, नैव never.
"Indra mounted on the elephant, Airavata surrounded by all Devatas, indeed never stood before me in conflict."