Kasyapa Muni continued: If you (Diti) perform this ceremony called pumsavana, adhering to the vow with faith for at least one year, you will give birth to a son destined to kill Indra

Expressions researched:
"If you perform this ceremony called pumsavana, adhering to the vow with faith for at least one year, you will give birth to a son destined to kill Indra"

SB Canto 6

Kaśyapa Muni continued: If you perform this ceremony called puṁsavana, adhering to the vow with faith for at least one year, you will give birth to a son destined to kill Indra. But if there is any discrepancy in the discharge of this vow, the son will be a friend to Indra.

SB 6.18.54, Translation:

Kaśyapa Muni continued: If you perform this ceremony called puṁsavana, adhering to the vow with faith for at least one year, you will give birth to a son destined to kill Indra. But if there is any discrepancy in the discharge of this vow, the son will be a friend to Indra