The seventh incarnation was Yajña, the son of Prajāpati Ruci and his wife Ākūti. He controlled the period during the change of the Svāyambhuva Manu and was assisted by demigods such as His son Yāma. ।। 1-3-12 ।।
english translation
सातवें अवतार प्रजापति रुचि तथा उनकी पत्नी आकूति के पुत्र यज्ञ थे। उन्होंने स्वायम्भुव मनु के बदलने पर शासन सँभाला और अपने पुत्र यम जैसे देवताओं की सहायता प्राप्त की। ।। १-३-१२ ।।