This is the second among the seventeen parts of the religious book Akilattirattu Ammanai of Ayyavazhi religion. This section includes the whole of Thretha Yukam and almost one-third of the sixth aeon, the Dwapara Yukam in detail. Akilathirattu Ammanai அகிலத்திரட்டு அம்மானை (Tamil: akilam (world) + thirattu (collection) + ammanai (ballad)), also called Thiru Edu (venerable book), is the main religious book of the Southern Indian Ayyavazhi faith, an offshoot of Hinduism. ... This article needs copyediting (checking for proper English spelling, grammar, usage, etc. ... In the aeon called Thretha Yukam, as per the request of Mayon, Isvaran created the fourth piece of the primordial Kroni as a Ten-headed mighty warrior,as the ten mountains as ten heads, naming him as Ravanan. ... This article needs to be cleaned up to conform to a higher standard of quality. ...