Om Heem baglamukhi sarvadushtanam vacham mukham padam stambhaya jivan kilaya buddhi vinashaya hreem swaha  The normal practice would be to chant the mantra 108 instances day-to-day. Having said that, the most important element is consistency. If 108 repetitions really feel overpowering in the beginning, begin with a smaller sized amount https://www.youtube.com/watch?v=CQDKEh9UjJA