मन्त्रहीनं क्रियाहीनं भक्तिहीनं कपीश्वर Whatever mantra you chant Hanuman Ji, preserving in mind its indicating, chant it little by little or mentally with full devotion. Never ever chant the mantra aloud. भीम रुप धरि असुर संहारे। रामचन्द्र के काज संवारे॥ दनुजवनकृशानुं ज्ञानिनामग्रगण्यम्।। There are many varieties of Hanuman mantras, and https://ernestc073mpr3.blazingblog.com/35559808/indicators-on-hanuman-chalisa-you-should-know