Srimad Bhagavatam — Shashtha Skandha, Shloka 54
Diti’s Puṁsavana Vow, Indra’s Intervention, and the Birth of the Maruts
सांवत्सरं पुंसवनं व्रतमेतदविप्लुतम् । धारयिष्यसि चेत्तुभ्यं शक्रहा भविता सुत: ॥ ५४ ॥
sāṁvatsaraṁ puṁsavanaṁ vratam etad aviplutam dhārayiṣyasi cet tubhyaṁ śakra-hā bhavitā sutaḥ
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.
FAQs
This verse states that if the puṁsavana vow is observed without break for one full year, it can grant the desired result—here, the birth of a powerful son.
In the narrative, Diti desired a son who could kill Indra (Śakra). Kashyapa instructed her in a strict vow and explained the promised outcome if she maintained it faithfully.
The verse emphasizes consistency and purity of practice—results come when a commitment is maintained steadily and without lapses.