As this is the Swyama Siddha Hanuman Mantra it does not have to be chanted for a fixed amount of Mantra Repetitions for with the ability to utilize it. Distinctive worship and rituals and procedures concerning course, sitting mat, and counting rosary are not advisable for chanting this Hanuman Mantra. https://www.youtube.com/watch?v=ufkmD95y7fE&t=32s