"Tulsi Amina (A devotee) recorded this when Baba (Nityananda) gave her the permission to write down his words. He spoke spontaneously in Trans like state during deep meditation over a period of 5 - 7 years from 1920 - 1927 when this was recorded. Chidakasha Gita was first published in 1927 in Kannada Language."
January 1, 1970
https://en.wikiquote.org/wiki/Bhagawan_Nityananda