अश्वत्थामा बलिर्व्यासो हनुमांश्च विभीषण:। But you do not really need to confirm the mantra, and you can chant this mantra on your welfare. Chant 3 garlands day by day to be sure to Hanuman Ji and to satisfy needs. Sundara hanuman mantra: Sundara hanuman mantra is usually a potent mantra. https://www.facebook.com/share/1J6iVuTuXb/