नारसिंहाय ॐ हां हीं हूं हौं हः सकलभीतप्रेतदमनाय स्वाहाः But you don't should verify the mantra, and you can chant this mantra to your welfare. Chant 3 garlands daily to make sure you Hanuman Ji and to meet wishes. Tulsidas has written this to encourage spiritual aspirants to become devotees https://myindexdirectory.com/listings762148/hanuman-chalisa-can-be-fun-for-anyone