As this is a Swyama Siddha Hanuman Mantra it doesn't have to generally be chanted for a fixed variety of Mantra Repetitions for with the ability to utilize it. Exclusive worship and rituals and procedures regarding way, sitting down mat, and counting rosary are usually not recommended for chanting this https://www.youtube.com/watch?v=ufkmD95y7fE&t=32s