saputrā along with your son, tvam you, rājñā by the kng, daśarathēna by Dasaratha, pratyupēkṣita: ignored, sarpō vā snake or, śatrurvā or enemy, yathā just like, kuryāt would do, tathā in the same way, kṛtā has been done.
King Dasaratha has done to you and to your son the same thing as a snake or an enemy would do when ignored.