Sri Gayatri Mantrartha Dipika - Illuminations on the Essential Meaning of Gayatri
In the Gaudiya Vaisnava sampradaya, the gayatri which the guru (bona fide spiritual master) gives to the sadhaka (devotee) at the time of diksa (initiation) is that of the Vedic diksa (upanayana) and also that of the Vaisnava pancaratrika-diksa.