ayam-that; tu-but; deva-yajane-in the sacrifice of the demigods; indra-upendra-adibhih-with Indra, Upendra and the others; bhavah-Siva; saha-along with; bhagam-a portion; na-not; labhatam-should obtain; devaih-with the demigods; deva-gana-adhamah-the lowest of all the demigods.