tan-the demons and Raksasas; tatha-in that way; avasitan-who were determined to devour Svayambhuva Manu; viksya-upon observing; yajnah-Lord Visnu, known as Yajna; sarva-gatah-who is seated in everyone's heart; harih-the Supreme Personality of Godhead; yamaih-with His sons named the Yamas; parivrtah-surrounded; devaih-by the demigods; hatva-after killing (the demons); asasat-ruled (taking the post of Indra); tri-vistapam-the heavenly planets.