As that is a Swyama Siddha Hanuman Mantra it doesn't have to become chanted for a set amount of Mantra Repetitions for having the ability to utilize it. Special worship and rituals and principles pertaining to path, sitting down mat, and counting rosary will not be suggested for chanting this https://www.youtube.com/watch?v=ufkmD95y7fE&t=32s