As it is a Swyama Siddha Hanuman Mantra it doesn't have being chanted for a hard and fast range of Mantra Repetitions for with the ability to utilize it. Distinctive worship and rituals and policies about way, sitting down mat, and counting rosary are not recommended for chanting this Hanuman https://www.youtube.com/watch?v=ufkmD95y7fE&t=32s