Valmiki Ramayana Yuddha Kanda Sarga 3 Shloka 25
Original Shlokaनियुतंरक्षसामत्रदक्षिणद्वारमाश्रितम् । चतुरङ्गेणसैन्येनयोधास्तत्राप्यनुत्तमाः ।।6.3.25।।
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अत्र: there, रक्षसा: rakshasas, नियुतम्: one lakh , दक्षिणद्वारम्: at the southern gateway, आश्रितम्: garrisoned, तत्रापि: they are also, चतुरङ्गेण: with four divisions of army , सैन्येन: with army, योधाः warriors, अनुत्तमाः best ones
At the southern gate also one lakh of rakshasas are garrisoned with four divisions of army. They are also the best warriors.