As that is a Swyama Siddha Hanuman Mantra it does not have being chanted for a set number of Mantra Repetitions for with the ability to utilize it. Exclusive worship and rituals and procedures about way, sitting down mat, and counting rosary are not encouraged for chanting this Hanuman Mantra. https://thedeepdirectory.com/listings13061200/hanuman-shabar-mantra-get-rid-of-all-problems-an-overview