Valmiki Ramayana Aranya Kanda Sarga 35 Shloka 4
Original Shlokaयानशालां ततो गत्वा प्रच्छन्नो राक्षसाधिपः। सूतं सञ्चोदयामास रथस्संयोज्यतामिति।।3.35.4।।
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ततः then, राक्षसाधिपः the demonking, प्रच्छन्न: covertly, यानशालाम् to the coachshed, गत्वा having gone, रथः chariot, संयोज्यताम् harness, इति thus, सूतम् charioteer, सञ्चोदयामास ordered.
Ravana went covertly to the coachshed and to the charioteer to get a chariot harnessed.