Canto 3 -
Araṇya-kāṇḍa
Chapter 11: Rāma Goes to Agastya’s Āśrama
Text 3.11.91

अत्र देवाः सगन्धर्वाः सिद्धाश्च परमर्षयः।
अगस्त्यं नियताहारं सततं पर्युपासते॥

atra devāḥ sa-gandharvāḥ siddhāś ca parama-rṣayaḥ
agastyaṁ niyatāhāraṁ satataṁ paryupāsate

atra = here; devāḥ = devas; sa-gandharvāḥ = gandharvas; siddhāḥ = siddhas; ca = and; parama-ṛṣayaḥ = great sages; agastyam = Agastya; niyata-āhāram = whose eating is regulated; satatam = constantly; paryupāsate = serve.

Here devas, gandharvas, siddhas and great sages constantly serve Agastya whose eating is regulated.