ॐ मनोजवं मारुततुल्य वेगम् जितेन्द्रियं बुद्धिमतां वरिष्ठं Hanuman beej Mantra is considered to dispel ghosts and spirits and chase away maladies for example fever and epilepsy. Tulsidas has created this to inspire spiritual aspirants to become devotees of Lord Rama so that they are blessed and guarded by Hanuman, and https://britedirectory.com/listings13210158/5-essential-elements-for-hanuman-chalisa