RV 7.18
The principal account — lists the confederate kings, the rivers involved, and Indra's intervention on behalf of Sudās.
RV 7.33
The Vasiṣṭha hymn — connects the Bharata victory to the priestly patronage of Vasiṣṭha.
RV 7.83
Attributes the victory to Indra and Varuṇa jointly.