As it is a Swyama Siddha Hanuman Mantra it does not have to generally be chanted for a set number of Mantra Repetitions for being able to use it. Special worship and rituals and policies concerning direction, sitting down mat, and counting rosary are not recommended for chanting this Hanuman https://wow-directory.com/listings580092/hanuman-shabar-mantra-get-rid-of-all-problems-an-overview