Vashikaran Siddhiyan Sadhna avam Prayog is a Hindi spiritual and occult guide authored by C.M. Srivastava and published by Manoj Publications. The book explores traditional Vashikaran and Tantra practices, detailing mantras, rituals, yantras, and methods for spiritual influence and personal transformation. It includes step‑by‑step sadhana (meditation/ritual practices) and practical applications aimed at enhancing concentration, attraction, and mystical control. With chapters covering tàntric disciplines, mantra rules, and effective vashikaran techniques, the text serves both beginners and advanced practitioners in traditional Indian occult sciences. Written in accessible Hindi, this paperback offers insights into ancient spiritual arts and their applications in relationships, energy work, and esoteric rituals.