Valmiki Ramayana Yuddha Kanda Sarga 51 Shloka 22
Original Shlokaधूम्राक्षवचनंश्रुत्वाबलाध्यक्षोबलानुगः । बलमुद्योजयामासरावणस्याज्ञयाद्रुतम् ।।6.51.22।।
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बलानुगः large army contingent, बलाध्यक्षः CommanderinChief of army, धूम्राक्षवचनम् Dhumraksha's words, श्रुत्वा on hearing, रावणस्य Ravana's, आज्ञया by the order, द्रुतम् quickly, बलम् army, उद्योजयामास got ready.
On hearing the words of Dhumraksha, the CommanderinChief of the large army, he got ready quickly by the order of Ravana.