Srimad Bhagavatam Canto 08, Chapter 13, Text 34

SB 8.13.34

pavitras caksusa devah
 sucir indro bhavisyati
agnir bahuh sucih suddho
 magadhadyas tapasvinah
 
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada: 
 
The Pavitras and Caksusas will be among the demigods, and Suci will be Indra, the king of heaven. Agni, Bahu, Suci, Suddha, Magadha and others of great austerity will be the seven sages.
Srimad Bhagavatam Canto 08, Chapter 13, Text 33
Srimad Bhagavatam Canto 08, Chapter 13, Text 35