The Rudrayamala Gauri Tantra is believed to have been written in the 10th or 11th century CE, during the height of the Tantric movement in India. The text was likely composed in the Kashmir region, which was a hub of Tantric learning and spiritual growth.
As for accessing a PDF of the Rudrayamala Gauri Tantra, I'm not able to provide direct links or specific files due to copyright and sourcing issues. However, I can suggest a few paths: