In Siddha Yoga, take this mantra with a complete betel nut and preserve it in entrance and chant 10 rounds of the mantra. ॥ॐ नमो महाशाबरी शक्ति मम अरिष्टं निवारय मम कार्य सिद्धं कुरु कुरु स्वाहाः॥ I have some major reference to some definitely powerful tantrik in Kolkata or black https://trevorbxphz.angelinsblog.com/33919263/detailed-notes-on-mantra