244
Śrimad-Bhāgavatam
[Canto 6, Ch. 18]
śrī-kaśyapaḥ uvāca—Kaśyapa Muni said;  putraḥ —son;  te —your;  bhavitā —will be;  bhadre —O gentle woman;  indra-hā —killer of Indra, or follower of Indra;  adeva-bāndhavaḥ —friend of the demons (or  deva-bāndhavaḥ —friend of the demigods);  saṁvatsaram —for a year;  vratam —vow:  idam —this;  yadi —if;  añjaḥ —properly;  dhārayiṣyasi —you will execute.
TRANSLATION
Kaśyapa Muni said: My dear gentle wife, if you follow my instructions regarding this vow for at least one year, you will surely get a son who will be able to kill Indra. However, if you deviate from this vow of following the Vaiṣṇava principles, you will get a son who will be favorable to Indra.
PURPORT
The word  indra-hā  refers to an  asura  who is always eager to kill Indra. An enemy of Indra is naturally a friend to the  asuras , but the word  indra-hā  also refers to one who follows Indra or who is obedient to him. When one becomes a devotee of Indra, he is certainly a friend to the demigods. Thus the words  indra-hādeva-bāndhavaḥ  are equivocal, for they say, “Your son will kill Indra, but he will be very friendly to the demigods.” If a person actually became a friend of the demigods, he certainly would not be able to kill Indra.
TEXT 46
दितिरुवाच
धारयिष्ये व्रतं ब्रह्मन्ब्रूहि कार्याणि यानि मे । यानि चेह निषिद्धानि न व्रतं घन्ति यान्युत ॥४६॥
ditir uvāca
dhārayiṣye vrataṁ brahman
brūhi kāryāṇi yāni me
yāni ceha niṣiddhāni
na vrataṁ ghnanti yāny uta