As this can be a Swyama Siddha Hanuman Mantra it doesn't have to become chanted for a hard and fast amount of Mantra Repetitions for being able to use it. Unique worship and rituals and principles relating to path, sitting mat, and counting rosary aren't advised for chanting this Hanuman https://directory-b.com/listings13057618/not-known-details-about-hanuman-shabar-mantra-get-rid-of-all-problems