📝 Potential Topics Covered in the Two Volumes\\r\\nWhile a precise, article-by-article table of contents for the two-volume set specifically titled Shri Sadhna Rahasya is difficult to compile from public summaries, the book draws from Gopinath Kaviraj\\\'s extensive writings on spiritual topics.\\r\\n\\r\\nBased on his published collections like Shri Sadhana (which often overlap), the volumes likely cover:\\r\\n\\r\\nPhilosophical Foundations: Deep discussions on the nature of reality, the concept of Shakti (Divine Power), and the path to self-realization.\\r\\n\\r\\nA-Japa Sadhana: Esoteric secrets related to the natural rhythm of breath (Swasa-Prashwasa) and the practice of Ajapa Japa.\\r\\n\\r\\nTantric Principles: Insights into the structure of the cosmos and the body, such as the Shri Chakra and the developmental sequence of Shakti from a Kaula (Kāula) perspective.\\r\\n\\r\\nTypes of Sadhana: Examination of different spiritual approaches, including:\\r\\n\\r\\nBhakti Sadhana (Devotional Practice), emphasizing the role of love and surrender.\\r\\n\\r\\nYoga Sadhana (Yogic Practice), including techniques like Pranayama (breath control) and Dhyan (meditation).\\r\\n\\r\\nKarma and Grace: The interplay of spiritual effort (Karma) and divine favor (Kripa) on the path.\\r\\n\\r\\nMystical Concepts: Articles on abstract and advanced spiritual concepts like Omkar (the sacred sound Om), the mystery of death (Mrityu-Vigyan), and the nature of the perfectly realized soul.\\r\\n\\r\\nEssentially, Shri Sadhna Rahasya offers a systematic yet profound exploration of the esoteric inner journey, serving as a guide for serious seekers on the path of Yoga and Tantra.