In Siddha Yoga, just take this mantra with a whole betel nut and keep it in front and chant 10 rounds of this mantra. क्या मोबाइल की फोटो से वशीकरण पॉसिबल है ? I've some serious reference to some genuinely powerful tantrik in Kolkata or black magic expert in Kolkata https://www.instagram.com/tantramantraaurvigyaan/