Appropriate vidhi should be to be adopted while activating the mantra. According the Purohits, a single need to chant minimum amount of 21 malas or 2268 instances accompanied by the chant of dashansh homam (i.e. 1 tenth of the overall chants). Whilst undertaking the homam, make sure to continue to https://www.youtube.com/watch?v=qnEcMQtKTvg