Valmiki Ramayana Kishkindha Kanda Sarga 29 Shloka 30
Original Shlokaस सन्दिदेशाभिमतं नीलं नित्यकृतोद्यमम्। दिक्षु सर्वासु सर्वेषां सैन्यानामुपसङ्ग्रहे4.29.30।।
1 source checked for this shloka
अभिमतम् his favourite one, सर्वासु in all, दिक्षु in directions, सर्वेषाम् of all vanaras, सैन्यानाम् army cadres, उपसङ्ग्रहे to gether, नित्यकृतोद्यमम् ever diligent, नीलम् Nila, सन्दिदेश sent
He sent word to the ever diligent Nila, his favourite, to collect all cadres of army of the monkeys from all directions.