goptāsmi mārīca-tapasy adhiṣṭhitaḥ

tvaya-by you; arcitah-being worshiped; ca-also; aham-I; apatya-guptaye-giving protection to your sons; payah-vratena-by the payo-vrata vow; anugunam-as far as possible; samiditah-properly worshiped; sva-amsena-by My plenary portion; putratvam-becoming your son; upetya-taking this opportunity; te sutan-to your other sons; gopta asmi-I shall give protection; marica-of Kasyapa Muni; tapasi-in the austerity; adhisthitah-situated.