buddhim ekanta-samsthitam
atha-thereupon; acarya-sutah-the son of Sukracarya; tesam-of them (the sons of the demons); buddhim-the intelligence; ekanta-samsthitam-fixed in one subject matter, devotional service; alaksya-realizing or seeing practically; bhitah-being afraid; tvaritah-as soon as possible; rajne-unto the King (Hiranyakasipu); avedayat-submitted; yatha-fittingly.