Matsyapurana 143.7

143.7

yajñakarmaṇyavartanta karmaṇyagre tathartvijaḥ
hūyamāne devahotre agnau bahuvidhaṃ haviḥ //

Sûta said—O Ṛiṣis! the Lord Indra, the partaker of the sacrificial offerings, collected all the mantras leading to the happiness in this world as in the next and started the performance of sacrifices, then He, along with the other Devas performed Aśvamedha Yajña, after collecting all the sacrificial materials Many clever sacrificial priests (Ṛitviks) came and took charge of their respective duties Various oblations of ghee were offered in Fire in honour of the Devas—5-7.