Valmiki Ramayana Yuddha Kanda Sarga 76 Shloka 92
Original Shlokaमुष्टिनाभिहतस्तेननिपपाताशुराक्षसः । लोहिताङ्गइवाकाशाददीप्तरमशिर्यदृच्छया ।।6.76.92।।
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तेन by that, मुष्टिना fist, अभिहतः struck, राक्षसः Rakshasa, दीप्तरमशिः glowing planet, लोहिताङ्गः endowed with brightness, यदृच्छया accidentally, आकाशादिव from the sky, आशु has, निपपात fallen.
Struck by the fist of Sugriva, the Rakshasa fell just as the glowing planet endowed with brightness accidentally fell from the sky.