Valmiki Ramayana Yuddha Kanda Sarga 59 Shloka 90
Original Shlokaसोऽस्त्रयुक्तेनबाणेननीलोवक्षसिताडितः । निर्धह्यमानस्सहसानिपपातमहीतले ।।6.59.90।।
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सःनीलः that Neela, अस्त्रयुक्तेन struck by the arrow, बाणेन arrow, वक्षसि on the chest, ताडितः burnt, निर्धह्यमानः propelled by the missile, सहसा, महीतले on ground, निपपात fell.
Struck by the arrow propelled by the missile (of Ravana) on the chest, Neela fell on the ground.