Summary: This text provides information about the publication of various editions of Gita-Rahasya in Marathi, Hindi, Gujarathi, Bengali, Kanarese, Telugu, and Tamil languages by Tilak Bros. The detailed contents of Volume I include an introductory chapter on the importance of Srimad Bhagavadgita and examination methods of a book. The manuscript includes references to the Mahabharata, Upanishads, Vedanta-Sutras, and various other works like Brahma-Sutras, Astavakra-Gita, and Satapatha-Brahmana. The text also contains an index of definitions and technical words used in the Gita. Various personalities and authors like Madhvacarya, Anandatirtha, and Anantacharya are referenced throughout the text. The manuscript provides insight into the historical significance and critical analysis of the Gita-Rahasya, offering a comprehensive overview of the subject matter discussed in the text.