As this is a Swyama Siddha Hanuman Mantra it doesn't have to generally be chanted for a set quantity of Mantra Repetitions for being able to utilize it. Exclusive worship and rituals and policies concerning path, sitting mat, and counting rosary are not advisable for chanting this Hanuman Mantra. The https://www.youtube.com/watch?v=ufkmD95y7fE&t=32s