Tantra Ke Achook Prayog is a practical guide authored by Tantrik Bahal (also known as Shashimohan Bahal) and published by Randheer Prakashan.\r\nThe book serves as a comprehensive manual on Tantra, Mantra, and Yantra, focusing on \"achook\" (unfailing or accurate) methods to achieve desired life results.\r\nIt covers various spiritual remedies and rituals designed to address personal challenges, including protection, success in endeavors, and the resolution of obstacles.\r\nWritten in Hindi, the text emphasizes that success depends on the practitioner’s unwavering faith, concentration, and strict adherence to the prescribed rules.\r\nSpanning approximately 188 pages, this work is highly regarded by seekers and practitioners for its collection of tested experiments in the field of Indian occult sciences.