The Mantra has to be chanted 21 rosary for 21 days using Tulsi Beads Counting Rosary. The Sadhak has to sit facing the west direction while chanting this Mantra. – Ashok Mehta
The Mantra Experiment is simple and hassle free, other than what is mentioned by me there are no other rules or regulations prescribed in order to chant this Rama Rahasya Upanishad Mantra, which is given below.
Mantra: ।। रामभद्र महेश्वास रघुवीर नृपोत्तम भो दशस्यान्तकास्माकं श्रियंदापम देहि मे ||
||Rambhadra Maheshvaas Raghuveer Nrupottam Bho Dashsyaantak-Asmaakam Shriyam Daapam Dehi Me ||