It is esoteric Gayatri Mantra. Gayatri Rahasya deals in details about various aspects of 'Gayatri Mantra'. Gayatri Mantra is said to have immense powers, powers that are truly amazing. Custodial history: Personal Collection. Extent and format of original material: Collection Level 25, Series Level: 54 files, File Level: 7 Vol. of 62 folios, Item Level: Paper folios 62. Owner(s) of original material: Janardan Khanal. Date not mentioned.