Valmiki Ramayana Yuddha Kanda Sarga 43 Shloka 30
Original Shlokaतस्यैवरथचक्रेणनीलोविष्णुरिवाहवे । शिरश्चिच्छेदसमरेनिकुम्भस्यचसारथेः ।।6.43.30।।
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नीलः Nila, आहवे, विष्णुरिव like Vishnu, तस्यैव his own, रथचक्रेण chariot wheels, समरे in battle, निकुम्भस्य at Nikumbha, सारथेः charioteer, शिरः head, चिच्छेदः broken to pieces.
Like Lord Vishnu, Nila took the wheels of the chariot of Nikumbha and shattered the charioteer into pieces.