Akilathirattu Ammanai Full Version - This is a book / edu written by Ayya Hari Gopalan with the trigger of Ayya Vaikundar. This book explains all avatars of Lord Narayana. Ayya means ekam which was there at initial stage before the word was there. He himself created Siva, Brama, Vishnu and Andam (World with all nature).