tata: then, putrakārāṇāt for begetting sons, putrīyām for the sake of begetting children, tām iṣṭim that sacrifice, prākramyat having commenced, tējasvī effulgent Rsyasringa mantradṛṣṭēna in accordance with mantras, karmaṇā with sacrificial acts, agnau in the fire, juhāva ca poured oblations.
To help Dasaratha beget sons, brilliant Rsyasringa commenced putriyeshti, a sacrifice for begetting children, by pouring oblations into sacrificial fire and chanting mantras in accordance with traditions.