Valmiki Ramayana Yuddha Kanda Sarga 131 Shloka 19

ततः then, सुमन्त्रोनाम named Sumantra, सारथिःcharioteer, शत्रुघ्नवचनात् by the command of Shatrughna, सर्वाङ्गशोभनम् all parts of the body, रथम् chariot, योजयित्वा yoked, अभिचक्राम came there

Then Sumantra the charioteer, commanded by Shatrughna came there with all parts of the chariot decorated and yoked.