In his column Abracadabra, K. B. Ganapathy explores the ‘Esoteric Group’ of nine persons known as ‘Navaratanas’ and some of Osho’s statements about the group. Published in the Star of Mysore on April 20, 2019.
and ‘The Nine Unknown Men’ of Ashoka. Kerry Sullivan writes in Ancient Origins on September 26, 2016.
Ashoka created a group which is still existing – a group of nine persons. Whenever a person dies, another replaces him, so the group still continues.