Srimad-Bhagavatam: Canto 10 - Chapter 1 - Verse 54
Sanskrit:
य इदं कीर्तयेद् विष्णो: कर्म चैद्यवधादिकम् ।राजमोक्षं वितानं च सर्वपापै: प्रमुच्यते ॥ ५४ ॥
ITRANS:
ya idaṁ kīrtayed viṣṇoḥkarma caidya-vadhādikamrāja-mokṣaṁ vitānaṁ casarva-pāpaiḥ pramucyate
Translation:
One who recites these activities of Lord Viṣṇu, including the killing of Śiśupāla, the deliverance of the kings and the performance of the Rājasūya sacrifice, is freed from all sins.